TDA1388TZ [NXP]
Bitstream continuous calibration filter-DAC for CD-ROM audio applications; 比特流连续过滤器的校准-DAC用于CD-ROM音频应用型号: | TDA1388TZ |
厂家: | NXP |
描述: | Bitstream continuous calibration filter-DAC for CD-ROM audio applications |
文件: | 总24页 (文件大小:172K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
TDA1388T
Bitstream continuous calibration
filter-DAC for CD-ROM audio
applications
1995 Dec 08
Objective specification
File under Integrated Circuits, IC01
Philips Semiconductors
Objective specification
Bitstream continuous calibration
filter-DAC for CD-ROM audio
TDA1388T
FEATURES
Multiple format input interface
• I2S-bus and LSB-justified input format compatible
• 1fs input format data rate.
Extensive channel manipulation features
• Separate soft mute on left and right channel
• Channel interchange function (left to right and right to
left)
GENERAL DESCRIPTION
• Monaural function (left to right or right to left)
• True mono function (left plus right)/2.
The TDA1388T CMOS digital-to-analog bitstream
convertor incorporates an up-sampling digital filter and
noise shaper, unique signal processing features and
integrated line and headphone drivers. The digital
processing features are of high sound quality due to the
wide dynamic range of the bitstream conversion
technique.
Digital sound processing
• Separate digital volume control for left and right
channels
• Digital tone control, bass boost and treble
The TDA1388T supports the I2S-bus data input mode with
word lengths of up to 20 bits and the LSB justified serial
data input format with word lengths of 16, 18 and 20 bits.
Two cascaded half-band filters and a sample-and-hold
function increase the oversampling rate from 1fs to 64fs.
A 2nd-order noise shaper converts this oversampled data
to a bitstream for the 5-bit continuous calibration
digital-to-analog convertors (DACs).
• dB-linear volume and tone control (low microcontroller
load)
• Digital de-emphasis
• Soft mute.
Advanced audio output configuration
• Stereo line output (under microcontroller volume
control)
On board amplifiers convert the output current to a voltage
signal capable of driving a line output. The signal is also
used to feed the integrated headphone amplifiers. The
volume of the headphone is controlled by an external
potentiometer.
• Stereo headphone output (under 5-tap potentiometer
volume control)
• Line output independent of headphone output volume
• Power on/off click prevention circuitry
The TDA1388T has special sound processing features for
use in CD-ROM audio applications, which can be
controlled by static pins or microcontroller interface. These
functions are de-emphasis, volume, bass boost, treble,
soft mute and the channel manipulation functions needed
for ATAPI-compliant functionality in CD-ROM audio
processing.
• High linearity, dynamic range, low distortion.
General
• Integrated digital filter plus DAC plus headphone driver
• No analog post filter required
• Easy application
• Functions controllable by static pins or by
microcontroller interface
• 5 V power supply
• Low power consumption
• Small package size (SO28 and SSOP28).
1995 Dec 08
2
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
ORDERING INFORMATION
PACKAGE
TYPE
NUMBER
NAME
DESCRIPTION
VERSION
TDA1388T
SO28
plastic small outline package; 28 leads; body width 7.5 mm.
SOT136-1
TDA1388TZ
SSOP28
plastic shrink small outline package; 28 leads; body width 5.3 mm.
SOT341-1
QUICK REFERENCE DATA
SYMBOL
Supply
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDD
supply voltage
supply current
note 1
note 2
4.5
5.0
5.5
−
V
IDD
−
22
mA
V
VFS(rms)
full-scale output voltage
(RMS value)
VDD = 5 V
0.9
1.0
1.1
(THD+N)/S
total harmonic distortion plus
noise as a function of signal for
the line output
0 dB signal
−
−
−
−
−
−
−
−
−
−
90
−85
0.006
−35
1.8
−80
0.013
−30
3.2
−60
0.1
−
dB
%
RL = 5 kΩ
−60 dB signal
RL = 5 kΩ
dBA
%
total harmonic distortion plus
noise as a function of signal for
the headphone output
0 dB signal
−65
0.056
−70
0.032
−35
1.8
dB
%
RL = 16 Ω
0 dB signal
dB
%
RL = 32 Ω
−
−60 dB signal
RL = 16 Ω or RL = 32 Ω
−30
3.2
−
dBA
%
S/N
BR
signal-to-noise ratio
A-weighted;
at code 00000H
95
dBA
input bit rate at data input
fsys = 256fs
−
64fs
48fs
−
−
−
bits
bits
fsys = 384fs
−
fsys
system clock frequency
8.192
−20
18.432 MHz
+70 °C
Tamb
operating ambient temperature
−
Notes
1. All VDD and VSS pins must be connected to the same supply or ground respectively.
2. Measured at input code 00000H and VDD = 5 V.
1995 Dec 08
3
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
BLOCK DIAGRAM
IF1 IF2
DATA
11
WS
10
BCK
9
ACP
19
7
8
SERIAL DATA INPUT
CHANNEL INTERCHANGE
DE-EMPHASIS
14
15
SYSCLK
SYSSEL
TIMING
18
APPL2
VOLUME CONTROL
BASS BOOST AND TREBLE
SOFT MUTE
20
12
13
FEATURE
CONTROL
UNIT
17
TC
APPL1
V
DDD
FILTER STAGE 1 + 2
16
APPL0
4f
s
SAMPLE-AND-HOLD
16 × OVERSAMPLING
V
SSD
64f
s
22
2nd-ORDER
NOISE
2nd-ORDER
NOISE
V
DDA
SHAPER
SHAPER
TDA1388
DATA
ENCODER
DATA
ENCODER
23
V
SSA
16 (4-BIT)
16 (4-BIT)
CALIBRATED
CURRENT
SOURCES
CALIBRATED
CURRENT
SOURCES
24
5
4
FILTCL
FILTCR
R
R
CONV1
CONV2
−
+
−
+
LEFT OUTPUT
SWITCHES
RIGHT OUTPUT
SWITCHES
25
V
V
OL
OR
REFERENCE
SOURCE
V
DDA
16 (4-BIT)
CALIBRATED
CURRENT
SINKS
16 (4-BIT)
CALIBRATED
CURRENT
SINKS
28
V
DDO
6
3
1
V
V
ref
SSO1
21
V
SSO2
+
−
+
REFERENCE
SOURCE
26
−
HPINR
HPINL
30 kΩ
30 kΩ
30 kΩ
30 kΩ
2
27
MGD015
HPOUTR
HPOUTL
Fig.1 Block diagram.
4
1995 Dec 08
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
PINNING
SYMBOL PIN
DESCRIPTION
VSSO
1
2
3
4
5
operational amplifier ground
left headphone output voltage
left headphone input voltage
left channel audio voltage output
HPOUTL
HPINL
VOL
FILTCL
capacitor for left channel 1st-order
filter function, should be connected
between this pin and VOL (pin 4)
handbook, halfpage
Vref
6
internal reference voltage
input format selection 1
input format selection 2
bit clock input
V
1
2
3
4
5
6
7
8
9
28
27
26
25
24
23
22
21
V
DDO
SSO1
IF1
7
HPOUTL
HPINL
HPOUTR
HPINR
IF2
8
BCK
9
V
V
OL
OR
WS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
word selection input
data input
FILTCL
FILTCR
DATA
VDDD
VSSD
SYSCLK
SYSSEL
APPL0
APPL1
APPL2
ACP
V
V
digital supply voltage
digital ground
ref
SSA
IF1
IF2
V
DDA
TDA1388
system clock 256fs or 384fs
system clock selection
application mode 0 input
application mode 1 input
application mode 2 input
application control input
test control
V
SSO2
BCK
20 TC
WS 10
19 ACP
DATA 11
18 APPL2
17 APPL1
16 APPL0
15 SYSSEL
V
12
13
DDD
V
TC
SSD
n.c.
not connected
SYSCLK 14
VDDA
VSSA
FILTCR
analog supply voltage
analog ground
MGD014
capacitor for right channel 1st-order
filter function, should be connected
between this pin and VOR (pin 25)
VOR
25
26
27
28
right channel audio voltage output
right headphone input voltage
right headphone output voltage
operational amplifier supply voltage
HPINR
HPOUTR
VDDO
Fig.2 Pin configuration.
1995 Dec 08
5
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
FUNCTIONAL DESCRIPTION
Table 2 Data input formats
The TDA1388T CMOS DAC incorporates an up-sampling
digital filter, a sample-and-hold register, a noise shaper,
continuously calibrated current sources, line amplifiers
and headphone amplifiers. The 1fs input data is increased
to an oversampled rate of 64fs. This high-rate
oversampling, together with the 5-bit DAC, enables the
filtering required for waveform smoothing and out-of-band
noise reduction to be achieved by simple 1st-order analog
post-filtering.
IF1
IF2
FORMAT
0
0
1
1
0
1
0
1
I2S-bus
LSB-justified, 16 bits
LSB-justified, 18 bits
LSB-justified, 20 bits
The input formats are illustrated in Fig.3. Left and right
data-channel words are time multiplexed.
System clock
Input mode
The TDA1388T accommodates slave mode only, this
means that in all applications the system devices must
provide the system clock. The system frequency is
selectable. The options are 256fs and 384fs. The system
clock must be locked in frequency to the I2S-bus input
signals.
The TDA1388T has two input modes, a static-pin mode
and a microcontroller mode. In the static-pin mode, the
digital sound processing features such as mute left, mute
right and de-emphasis are controlled by external pins. The
other digital sound processing features have a default
value. In the microcontroller mode, all the digital sound
processing features can be controlled by the
Table 1 System clock selection
microcontroller. The controllable features are;
SYSSEL
DESCRIPTION
256fs
•
•
•
•
•
•
•
De-emphasis.
0
1
Volume left channel.
Volume right channel.
Flat/min/max switch.
Bass boost.
384fs
Multiple format input interface
The TDA1388T supports the following data input formats;
Treble.
•
•
I2S-bus with data word length of up to 20 bits.
Channel manipulation modes.
LSB justified serial format with data word length of
16, 18 or 20 bits.
The selection of one of the two modes is controlled by the
ACP pin. When this pin is at logic 0 then the static pin
mode will be selected. When the pin is at logic 1 then the
microcontroller mode will be selected.
Table 3 Selectable values of the digital sound processing features
FEATURES STATIC-PIN MODE
De-emphasis 0 Hz or 44.1 kHz
MICROCONTROLLER MODE
0 Hz or 44.1 kHz
0 dB to −∞ dB
Volume left channel
Volume right channel
Flat/min/max switch
Bass boost
0 dB (fixed)
0 dB (fixed)
0 dB to −∞ dB
flat (fixed)
flat/min/max
flat set (fixed)
flat set (fixed)
external pin
flat, min or max set
flat, min or max set
selectable (see Table 4)
selectable (see Table 4)
see Table 10
Treble
Mute left channel
Mute right channel
Channel manipulation modes
external pin
L_CHANNEL = L (fixed)
R_CHANNEL = R (fixed)
1995 Dec 08
6
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
STATIC-PIN MODE
Table 5 Selection of data transfer
BIT 1 BIT 0 TRANSFER
In the static-pin mode most of the features have a default
value (see Table 3). The features that are controlled by the
external pins are, mute left channel, mute right channel
and de-emphasis.
0
0
data (volume left, volume right, bass
boost and treble)
0
1
1
0
not used
status (de-emphasis, mode and
channel-manipulation)
Table 4 External pin feature control in the static-pin
mode
1
1
not used
PIN
FEATURE
mute left channel
mute right channel
de-emphasis
APPL0
APPL1
APPL2
Data bits 7 to 2 represent a 6-bit device address, with bit 7
being the MSB and bit 2 the LSB. The address of the
TDA1388T is 000101 (bit 7 to bit 2). In the event that the
TDA1388T receives a different address, it will deselect its
microcontroller interface logic.
MICROCONTROLLER MODE
The exchange of data and control information between the
microcontroller and the TDA1388T is accomplished
through a serial hardware interface comprising the
following pins;
Data transfer mode
The selection preformed in the address mode remains
active during subsequent data transfers, until the
TDA1388T receives a new address command. The
fundamental timing of data transfers is essentially the
same as in the address mode, shown in Fig.4. The
maximum input clock and data rate is 64fs. All transfers are
bitwise, i.e. they are based on groups of 8 bits. Data will be
stored in the TDA1388T after the eighth bit of a byte has
been received. A multibyte transfer is illustrated in Fig.6.
APPL0: microcontroller interface data line.
APPL1: microcontroller interface mode line.
APPL2: microcontroller interface clock line.
Information transfer through the microcontroller bus is
organized in accordance with the so-called ‘L3’ format, in
which two different modes of operation can be
distinguished; address mode and data transfer mode (see
Figs 4 and 5).
Programming the sound processing and other features
The sound processing and other feature values are stored
in independent registers. The first selection of the registers
is achieved by the choice of data type that is transferred.
This is performed in the address mode, BIT 1 and BIT 0
(see Table 5). The second selection is performed by the
2 MSBs of the data byte (BIT 7 and BIT 6). The other bits
in the data byte (BIT 5 to BIT 0) is the value that is placed
in the selected registers.
The address mode is required to select a device
communicating via the L3-bus and to define the
destination registers for the data transfer mode. Data
transfer for the TDA1388T can only be in one direction,
input to the TDA1388T to program its sound processing
and other functional features.
Address mode
When the data transfer of type “data” is selected, the
features VOLUME_R, VOLUME_L, BASS BOOST and
TREBLE can be controlled. When the data transfer of type
“status” is selected, the features MODE, DE-EMPHASIS,
CHANNEL_MANIP_R and CHANNEL_MANIP_L can be
controlled.
The address mode is used to select a device for
subsequent data transfer and to define the destination
registers. The address mode is characterized by APPL1
being LOW and a burst of 8 pulses on APPL2,
accompanied by 8 data bits. The fundamental timing is
shown in Fig.4. Data bits 0 to 1 indicate the type of the
subsequent data transfer as shown in Table 5.
Table 6 Data transfer of type “status”
BIT 7 BIT6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
M1 M0 DE OR1 OR0 OL1
REGISTER SELECTED
0
OL0 MODE (1 : 0), DEEMPHASIS, CHANNEL_MA-
NIP_R (1 : 0), CHANNEL_MANIP_L (1 : 0)
1995 Dec 08
7
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
Table 7 Data transfer of type “data”
BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
REGISTER SELECTED
0
0
1
1
0
1
0
1
VR5
VL5
X(1)
X(1)
VR4
VL4
BB4
TR4
VR3
VL3
BB3
TR3
VR2
VL2
BB2
TR2
VR1
VL1
BB1
TR1
VR0 VOLUME_R (5 : 0)
VL0 VOLUME_L (5 : 0)
BB0 BASS BOOST (4 : 0)
TR0 TREBLE (4 : 0)
Note
1. X = don’t care
MODE: a 2-bit value to program the mode of the sound
processing filters of Bass Boost and Treble. There are
three modes: flat, min and max.
DE-EMPHASIS: a 1-bit value to enable the digital
de-emphasis filter.
Table 9 De-emphasis
Table 8 The flat/min/max switch
DEEM
FUNCTION
no de-emphasis
de-emphasis, 44.1 kHz
MODE 1
MODE 0
FUNCTION
0
1
0
0
1
1
0
1
0
1
flat
min
min
max
CHANNEL_MANIP_R and CHANNEL_MANIP_L: both are a 2 bit value to program the right or left channel manipulation.
Table 10 Channel manipulation modes
CHANNEL_MANIP_L<1 : 0>
CHANNEL_MANIP_R<1 : 0>
L_CHANNEL R_CHANNEL
00
00
00
00
01
01
01
01
10
10
10
10
11
11
11
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
MUTE
MUTE
MUTE
R
MUTE
L
MUTE
(L + R)/2
R
MUTE
R
R
R
L
(L + R)/2
MUTE
R
R
L
L
L
L
L
(L + R)/2
MUTE
R
(L + R)/2
(L + R)/2
(L + R)/2
(L + R)/2
L
(L + R)/2
1995 Dec 08
8
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
VOLUME_R: a 6-bit value to program the right channel volume attenuation (VR5 to VR0). The range is 0 dB to −∞ dB in
steps of 1 dB.
Table 11 Volume right settings
VR5
VR4
VR3
VR2
VR1
VR0
VOLUME (dB)
0
0
0
0
:
0
0
0
0
:
0
0
0
0
:
0
0
0
0
:
0
0
1
1
:
0
1
0
1
:
0
0
−1
−2
:
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
0
1
−58
−59
−60
−∞
−∞
VOLUME_L: a 6-bit value to program the left channel volume attenuation (VL5 to VL0). The range is 0 dB to −∞ dB in
steps of 1 dB.
Table 12 Volume left settings
VR5
VR4
VR3
VR2
VR1
VR0
VOLUME (dB)
0
0
0
0
:
0
0
0
0
:
0
0
0
0
:
0
0
0
0
:
0
0
1
1
:
0
1
0
1
:
0
0
−1
−2
:
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
0
1
−58
−59
−60
−∞
−∞
1995 Dec 08
9
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
BASS BOOST: a 5-bit value to program the bass boost setting. The used set depends on the MODE bits.
Table 13 Bass boost settings
BASS BOOST
BB4
BB3
BB2
BB1
BB0
FLAT SET (dB)
MIN SET (dB)
MAX SET (dB)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
:
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
:
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
:
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
:
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
1
0
1
0
1
0
:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
:
0
0
0
0
0
0
0
0
2
2
2
2
4
4
4
4
6
6
6
6
8
8
8
8
10
10
12
12
14
14
16
16
18
18
18
18
18
18
18
18
:
10
10
12
12
14
14
16
16
18
18
20
20
22
22
24
24
:
1
1
1
1
0
0
18
24
1995 Dec 08
10
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
TREBLE: a 5-bit value to program the treble setting. The used set depends on the MODE bits.
Table 14 Treble settings
TREBLE
TR4
TR3
TR2
TR1
TR0
FLAT SET (dB)
MIN SET (dB)
MAX SET (dB)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
:
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
:
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
:
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
:
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
:
0
0
0
0
2
2
2
2
4
4
4
4
6
6
6
6
:
0
0
0
0
2
2
2
2
4
4
4
4
6
6
6
6
:
1
1
1
1
0
0
6
6
• Normal stereo output.
Flat/min/max setting selection
• Left/right reverse output.
• Mono left/right output: (L + R)/2.
• Output muting with soft mute.
In the TDA1388T has three setting for the digital sound
features bass boost and treble. The possible settings are
called ‘flat’, ‘min’ and ‘max’. The flat setting has no
influence on the audio signal, the minimum setting has a
small influence on the audio signal and the maximum
setting has a large influence on the audio signal. In the
static-pin mode, the flat setting is used for the bass boost
and treble filters. In the microcontroller mode, all three
settings can by controlled by a register.
De-emphasis
De-emphasis is controlled by an external pin in the
static-pin mode and by a register in the microcontroller
mode.The digital de-emphasis filter is dimensioned to
produce the de-emphasis frequency characteristics for the
sample rate 44.1 kHz. With its 18-bit dynamic range, the
digital de-emphasis filter of the TDA1388T is a convenient
and component saving alternative to analog de-emphasis.
De-emphasis is synchronized to the sample clock, so that
operation always takes place on complete samples.
Channel manipulation modes
In the TDA1388T there is a channel manipulation function
implemented. This function has a fixed value in the
static-pin mode, the left signal on the left channel and the
right signal on the right channel. In the microcontroller
mode several option are possible. The different modes are
as follows;
1995 Dec 08
11
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
When the mute is active for a channel, the value of the
sample is decreased smoothly to zero following a raised
cosine curve. 32 coefficients are used to step down the
value of the data, each one being used 32 times before
stepping on to the next. This amounts to a mute transition
of 23 ms at fs = 44.1 kHz. When the mute is released, the
samples are returned to the full level again following a
raised cosine curve with the same coefficients being used
in the reverse order. The mute, on the left or right channel,
is synchronized to the sample clock, so that operation
always takes place on complete samples.
Volume control
The volume of the left and right channels are controlled by
a fixed value (0 dB) in the static-pin mode and by separate
registers in the microcontroller mode. In the
microcontroller mode the values of both channels can
vary, independent of each other, from 0 dB to −∞ dB.
Since there is no headroom included into the sound control
section, the volume control precedes the sound control.
Full volume and neutral setting (flat) of the sound control
results in full-scale output. Any tone boost will directly
cause clipping, which can be avoided by reduction of the
volume setting.
Oversampling and noise shaper
The digital filter is four times oversampling filter. It consists
of two sections which each increase the sample rate by 2.
The 2nd-order noise shaper operates at 64fs. It shifts
in-band quantization noise to frequencies well above the
audio band. This noise shaping technique used in
combination with a sign-magnitude coding enables high
signal-to-noise ratios to be achieved. The noise shaper
outputs a 5-bit PDM bitstream signal to the DAC.
Bass boost
A strong bass boost effect, which is useful in
compensating for poor response of portable headphone
sets, is implemented digitally in the TDA1388T and can be
controlled in the microcontroller mode. In the static-pin
mode, the flat setting is fixed. In the microcontroller mode,
valid settings range from flat (no influence on audio) to
+18 dB with step sizes of 2 dB in minimum and to +24 dB
with step sizes of 2 dB in maximum. The programmable
bass boost filter is a 2nd-order shelving type with a fixed
corner frequency of 130 Hz for the minimum setting and a
fixed corner frequency of 230 Hz for the maximum setting
and has a Butterworth characteristic. Because of the
exceptional amount of programmable gain, bass boost
should be used with adequate prior attenuation, using the
volume control.
Continuous calibration DAC
The dual 5-bit DAC uses the continuous calibration
technique. This method, based on charge storage,
involves exact duplication of a single reference current
source. In the TDA1388T, 32 such current sources plus
1 spare source are continuously calibrated. The spare
source is included to allow continuous convertor operation.
The DAC receives a 5-bit data bitstream from the noise
shaper. This data is converted so that no current is
switched to the output during digital silence
Treble
(input 00000H). In this way very high signal-to-noise
performance is achieved.
A treble effect is implemented digitally in the TDA1388T
and can be controlled in the microcontroller mode. In the
static-pin mode, the flat setting is fixed. In the
microcontroller mode, valid settings range from flat (no
influence on audio) to +6 dB with step sizes of 2 dB in
minimum and to +6 dB with step sizes of 2 dB in
maximum. The programmable treble filter is a 1st-order
shelving type with a fixed corner frequency of 2.8 kHz for
the minimum setting and a fixed corner frequency of
5.0 kHz for the maximum setting. Because of the
exceptional amount of programmable gain, treble should
be used with adequate prior attenuation, using the volume
control.
Stereo line driver
High precision, low-noise amplifiers together with the
internal conversion resistor RCONV1 and RCONV2 convert
the converter output current to a voltage capable of driving
a headphone. The voltage is available at VOL and VOR
(pins 4 and 25).
Stereo headphone driver
High precision, low-noise amplifiers are capable of driving
a headphone load. The voltage is available at HPOUTL
and HPOUTR (pins 2 and 27).
Soft mute
Soft mute is controlled by external pins, for each channel
one, in the static-pin mode and by the channel
manipulation modes of left or right in the microcontroller
mode.
1995 Dec 08
12
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
GM0D19
a n d b o o k , f u l l p a g e w
1995 Dec 08
13
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
L3MODE
t
t
s;MA
h;MA
h;MA
t
LC
t
t
t
HC
s;MA
L3CLOCK
T
cy
t
t
h;DAT
s;DAT
BIT 0
BIT 7
L3DATA
MGD016
Fig.4 Timing address mode.
t
t
halt
halt
L3MODE
t
LC
t
t
T
t
h;MT
s;MT
cy
HC
L3CLOCK
t
t
t
s;DAT
h;DAT
h;DAT
L3DATA
write
BIT 0
BIT 7
MGD017
Fig.5 Timing for data transfer mode.
14
1995 Dec 08
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
t
halt
L3MODE
L3CLOCK
L3DATA
MGD018
address
data byte #1
data byte #2
address
Fig.6 Multibyte transfer.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134). All voltage referenced to ground,
VDDD = VDDA = VDDO 5 V; Tamb = 25 °C, unless otherwise specified.
SYMBOL
VDD
Txtal(max)
Tstg
PARAMETER
CONDITIONS
note 1
MIN.
MAX.
7.0
UNIT
supply voltage
−
−
V
maximum crystal temperature
storage temperature
+150
+125
+70
°C
°C
°C
V
−65
Tamb
Ves
operating ambient temperature
electrostatic handling
−20
note 2
note 3
−3000
−300
+3000
+300
V
Notes
1. All VDD and VSS connections must be made to the same power supply.
2. Equivalent to discharging a 100 pF capacitor via a 1.5 kΩ series resistor.
3. Equivalent to discharging a 200 pF capacitor via a 2.5 µH series inductor.
1995 Dec 08
15
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
THERMAL CHARACTERISTICS
SYMBOL
Rth j-a
PARAMETER
VALUE
UNIT
thermal resistance from junction to ambient in free air
SOP28
tbf
tbf
K/W
K/W
SSOP28
DC CHARACTERISTICS
DDD = VDDA = VDDO = 5 V; Tamb = 25 °C; RL = 5 kΩ; all voltages referenced to ground (pins 1, 13 and 23);
unless otherwise specified.
V
SYMBOL PARAMETER
VDDD
CONDITIONS
note 1
MIN.
TYP.
MAX.
5.5
UNIT
digital supply voltage
analog supply voltage
4.5
4.5
4.5
5.0
5.0
5.0
V
V
V
VDDA
VDDO
note 1
note 1
5.5
5.5
operational amplifier supply
voltage
IDDD
IDDA
IDDO
digital supply current
analog supply current
at digital silence
at digital silence
at digital silence
−
−
−
7.0
5.0
10
−
−
−
mA
mA
mA
operational amplifier supply
current
Ptot
total power dissipation
note 2
−
110
−
mW
Digital input pins
VIH
VIL
|ILI|
Cin
HIGH level input voltage
0.7VDDD
−
−
−
−
VDDD + 0.5 V
LOW level input voltage
input leakage current
input capacitance
−
−
−
0.3VDDD
10
V
µA
pF
10
Analog audio pins
Vref
reference voltage
with respect to VSSA 0.45VDDA 0.5VDDA
0.55VDDA
V
Rout(ref)
RCONV
output reference resistance
−
−
3
−
−
kΩ
kΩ
current-to-voltage
conversion resistor
2.0
Io(max)
maximum output current
(THD+N)/S < 0.1%
RL = 32 Ω
−
−
−
88
44
−
−
mA
mA
pF
(THD+N)/S < 0.1%
RL = 16 Ω
−
CL
output load capacitance
note 3
50
Notes
1. All power supply pins (VDD and VSS) must be connected to the same external power supply unit.
2. No operational amplifier load resistor.
3. Load capacitance larger than 50 pF, a 22 µH inductor in parallel with a 270 Ω resistor must be inserted between the
load and the operational amplifier output.
1995 Dec 08
16
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
AC CHARACTERISTICS (ANALOG)
VDDD = VDDA = VDDO = 5 V; fi = 1 kHz; Tamb = 25 °C; RL = 5 kΩ all voltages referenced to ground (pins 1, 13 and 23);
unless otherwise specified.
SYMBOL PARAMETER
RES
VFS(rms)
CONDITIONS
MIN.
TYP.
MAX.
18
UNIT
bits
resolution
−
−
output voltage swing
(RMS value)
note 1
0.9
1.0
1.1
V
VDC(os)
output voltage DC offset with
respect to reference voltage
level Vref
−
20
−
mV
SVRR
supply voltage ripple rejection
fripple = 1 kHz;
−
40
−
dB
VDDA and VDDO
Vripple(p-p) = 100 mV(peak);
Cpin = 10 µF
|∆Vo|
unbalance between the 2 DAC maximum volume
voltage outputs
−
−
0.1
90
−
−
dB
dB
αct
crosstalk between the 2 DAC
voltage outputs for line outputs
RL = 5 kΩ, note 2
crosstalk between the 2 DAC
voltage outputs for headphone
outputs
RL = 16 kΩ, note 2
RL = 32 kΩ, note 2
−
−
60
65
−
−
dB
dB
(THD+N)/S
total harmonic distortion plus
noise as a function of signal for
the line output
0 dB signal
−
−
−
−
−
−
−
−
−
−
90
−85
0.006
−35
1.8
−80
0.013
−30
3.2
−60
0.1
−
dB
%
RL = 5 kΩ
−60 dB signal
RL = 5 kΩ
dBA
%
total harmonic distortion plus
noise as a function of signal for
the headphone output
0 dB signal
−65
0.056
−70
0.032
−35
1.8
dB
%
RL = 16 kΩ
0 dB signal
dB
%
RL = 32 kΩ
−
−60 dB signal
RL = 16 kΩ or RL = 32 kΩ
−30
3.2
−
dBA
%
S/N
signal-to-noise ratio at bipolar
zero
A weighting;
at code 00000H
95
dBA
Notes
1. Proportional to VDDA
.
2. One output digital silence, the other maximum volume.
1995 Dec 08
17
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
AC CHARACTERISTICS (DIGITAL)
VDDD = VDDA = VDDO = 4.5 to 5.5 V; Tamb = −20 to +70 °C; RL = 5 kΩ; all voltages referenced to ground
(pins 1, 13 and 23); unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
fsys = 256fs
sys = 384fs
MIN.
81.3
TYP.
88.6
MAX
122
UNIT
ns
Tcy
clock cycle
f
54.2
22
59.1
−
81.3
−
ns
ns
ns
tCWL
tCWH
fsys LOW level pulse width
fsys HIGH level pulse width
22
−
−
Serial input data timing (see Fig.7)
BR
clock input = data input rate
fsys = 256fs
sys = 384fs
−
64fs
48fs
−
−
−
f
−
fsys
system clock frequency
word selection input frequency
rise time
8.192
−
18.432 MHz
fWS
44.1
−
48
20
20
−
kHz
ns
ns
ns
ns
ns
ns
ns
ns
tr
−
tf
fall time
−
−
tBCK(H)
tBCK(L)
ts;DAT
th;DAT
ts;WS
th;WS
bit clock HIGH time
bit clock LOW time
data set-up time
55
55
10
20
20
10
−
−
−
−
−
data hold time
−
−
word selection set-up time
word selection hold time
−
−
−
−
Fig.7 Timing and input signals.
18
1995 Dec 08
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
TEST AND APPLICATION INFORMATION
+5 V
100 µF
4.7 Ω
4.7 Ω
100 µF
100 nF
100 nF
100 nF
(1)
(2)
L3
(1)
330 µF
100 nF
V
V
V
V
V
V
SSD DDD SSA
DDA SSO1 DDO
SYSTEM
CLOCK
INPUT
V
ref
13
12
23
22
1
28
SYSCLK
14
6
10 µF
100 nF
BCK
WS
9
2
I S-BUS OR
LSB-JUSTIFIED
SERIAL INPUT DATA
10
11
FILTCL
DATA
5
4
1
nF
47 µF
100 Ω
V
OL
L
IF1
IF2
7
4.7 µF
R1
10 kΩ
HPINL
8
3
2
TDA1388
ACP
19
18
17
16
15
HPOUTL
APPL2/CL
APPL1/MO
APPL0/DA
SYSSEL
from
MICROCONTROLLER
330 µF
HPOUTR
FILTCR
27
24
330 µF
1
nF
47 µF
100 Ω
V
OR
25
26
R
V
SSO2
21
20
4.7 µF
R1
10 kΩ
HPINR
TC
MGD152
(1) Optional.
(2) Chip inductor BLM32A07.
Fig.8 Application diagram.
19
1995 Dec 08
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
PACKAGE OUTLINES
SO28: plastic small outline package; 28 leads; body width 7.5 mm
SOT136-1
D
E
A
X
c
y
H
v
M
A
E
Z
28
15
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
14
w
detail X
e
M
b
p
0
5
10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
max.
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
L
L
Q
v
w
y
θ
1
2
3
p
E
p
Z
0.30
0.10
2.45
2.25
0.49
0.36
0.32
0.23
18.1
17.7
7.6
7.4
10.65
10.00
1.1
0.4
1.1
1.0
0.9
0.4
mm
2.65
1.27
0.050
1.4
0.25
0.01
0.25
0.1
0.25
0.01
8o
0o
0.012 0.096
0.004 0.089
0.019 0.013 0.71
0.014 0.009 0.69
0.30
0.29
0.419
0.394
0.043 0.043
0.016 0.039
0.035
0.016
inches 0.10
0.055
0.01 0.004
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
EIAJ
95-01-24
97-05-22
SOT136-1
075E06
MS-013AE
1995 Dec 08
20
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
SSOP28: plastic shrink small outline package; 28 leads; body width 5.3 mm
SOT341-1
D
E
A
X
c
H
v
M
A
y
E
Z
28
15
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
14
detail X
w
M
b
p
e
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
L
L
p
Q
v
w
y
Z
θ
1
2
3
p
E
max.
8o
0o
0.21
0.05
1.80
1.65
0.38
0.25
0.20
0.09
10.4
10.0
5.4
5.2
7.9
7.6
1.03
0.63
0.9
0.7
1.1
0.7
mm
2.0
0.65
1.25
0.25
0.2
0.13
0.1
Note
1. Plastic or metal protrusions of 0.20 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
EIAJ
93-09-08
95-02-04
SOT341-1
MO-150AH
1995 Dec 08
21
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
SOLDERING
Introduction
SSOP
Wave soldering is not recommended for SSOP packages.
This is because of the likelihood of solder bridging due to
closely-spaced leads and the possibility of incomplete
solder penetration in multi-lead devices.
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
If wave soldering cannot be avoided, the following
conditions must be observed:
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave)
soldering technique should be used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “IC Package Databook” (order code 9398 652 90011).
• The longitudinal axis of the package footprint must
be parallel to the solder flow and must incorporate
solder thieves at the downstream end.
Reflow soldering
Even with these conditions, only consider wave
soldering SSOP packages that have a body width of
4.4 mm, that is SSOP16 (SOT369-1) or
SSOP20 (SOT266-1).
Reflow soldering techniques are suitable for all SO and
SSOP packages.
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
METHOD (SO AND SSOP)
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250 °C.
Maximum permissible solder temperature is 260 °C, and
maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150 °C within
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45 °C.
6 seconds. Typical dwell time is 4 seconds at 250 °C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Wave soldering
SO
Repairing soldered joints
Wave soldering techniques can be used for all SO
packages if the following conditions are observed:
Fix the component by first soldering two diagonally-
opposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300 °C. When
using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320 °C.
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.
• The longitudinal axis of the package footprint must be
parallel to the solder flow.
• The package footprint must incorporate solder thieves at
the downstream end.
1995 Dec 08
22
Philips Semiconductors
Objective specification
Bitstream continuous calibration filter-DAC
for CD-ROM audio applications
TDA1388T
DEFINITIONS
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1995 Dec 08
23
Philips Semiconductors – a worldwide company
Argentina: IEROD, Av. Juramento 1992 - 14.b, (1428)
BUENOS AIRES, Tel. (541)786 7633, Fax. (541)786 9367
Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113,
Philippines: PHILIPS SEMICONDUCTORS PHILIPPINES Inc.,
106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI,
Metro MANILA, Tel. (63) 2 816 6380, Fax. (63) 2 817 3474
Tel. (02)805 4455, Fax. (02)805 4466
Austria: Triester Str. 64, A-1101 WIEN, P.O. Box 213,
Tel. (01)60 101-1236, Fax. (01)60 101-1211
Belgium: Postbus 90050, 5600 PB EINDHOVEN, The Netherlands,
Portugal: PHILIPS PORTUGUESA, S.A.,
Rua dr. António Loureiro Borges 5, Arquiparque - Miraflores,
Apartado 300, 2795 LINDA-A-VELHA,
Tel. (01)4163160/4163333, Fax. (01)4163174/4163366
Singapore: Lorong 1, Toa Payoh, SINGAPORE 1231,
Tel. (65)350 2000, Fax. (65)251 6500
South Africa: S.A. PHILIPS Pty Ltd.,
Tel. (31)40-2783749, Fax. (31)40-2788399
Brazil: Rua do Rocio 220 - 5th floor, Suite 51,
CEP: 04552-903-SÃO PAULO-SP, Brazil,
P.O. Box 7383 (01064-970),
195-215 Main Road Martindale, 2092 JOHANNESBURG,
P.O. Box 7430, Johannesburg 2000,
Tel. (011)470-5911, Fax. (011)470-5494
Tel. (011)821-2333, Fax. (011)829-1849
Canada: PHILIPS SEMICONDUCTORS/COMPONENTS:
Tel. (800) 234-7381, Fax. (708) 296-8556
Chile: Av. Santa Maria 0760, SANTIAGO,
Spain: Balmes 22, 08007 BARCELONA,
Tel. (03)301 6312, Fax. (03)301 42 43
Sweden: Kottbygatan 7, Akalla. S-164 85 STOCKHOLM,
Tel. (0)8-632 2000, Fax. (0)8-632 2745
Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH,
Tel. (02)773 816, Fax. (02)777 6730
China/Hong Kong: 501 Hong Kong Industrial Technology Centre,
72 Tat Chee Avenue, Kowloon Tong, HONG KONG,
Tel. (852)2319 7888, Fax. (852)2319 7700
Tel. (01)488 2211, Fax. (01)481 77 30
Taiwan: PHILIPS TAIWAN Ltd., 23-30F, 66, Chung Hsiao West
Road, Sec. 1. Taipeh, Taiwan ROC, P.O. Box 22978,
TAIPEI 100, Tel. (886) 2 382 4443, Fax. (886) 2 382 4444
Colombia: IPRELENSO LTDA, Carrera 21 No. 56-17,
77621 BOGOTA, Tel. (571)249 7624/(571)217 4609,
Fax. (571)217 4549
Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd.,
209/2 Sanpavuth-Bangna Road Prakanong,
Bangkok 10260, THAILAND,
Tel. (66) 2 745-4090, Fax. (66) 2 398-0793
Turkey:Talatpasa Cad. No. 5, 80640 GÜLTEPE/ISTANBUL,
Tel. (0212)279 27 70, Fax. (0212)282 67 07
Ukraine: Philips UKRAINE, 2A Akademika Koroleva str., Office 165,
Denmark: Prags Boulevard 80, PB 1919, DK-2300
COPENHAGEN S, Tel. (45)32 88 26 36, Fax. (45)31 57 19 49
Finland: Sinikalliontie 3, FIN-02630 ESPOO,
Tel. (358)0-615 800, Fax. (358)0-61580 920
France: 4 Rue du Port-aux-Vins, BP317,
92156 SURESNES Cedex,
Tel. (01)4099 6161, Fax. (01)4099 6427
Germany: P.O. Box 10 51 40, 20035 HAMBURG,
252148 KIEV, Tel. 380-44-4760297, Fax. 380-44-4766991
United Kingdom: Philips Semiconductors LTD.,
276 Bath Road, Hayes, MIDDLESEX UB3 5BX,
Tel. (0181)730-5000, Fax. (0181)754-8421
United States:811 East Arques Avenue, SUNNYVALE,
CA 94088-3409, Tel. (800)234-7381, Fax. (708)296-8556
Uruguay: Coronel Mora 433, MONTEVIDEO,
Tel. (040)23 53 60, Fax. (040)23 53 63 00
Greece: No. 15, 25th March Street, GR 17778 TAVROS,
Tel. (01)4894 339/4894 911, Fax. (01)4814 240
India: Philips INDIA Ltd, Shivsagar Estate, A Block,
Dr. Annie Besant Rd. Worli, Bombay 400 018
Tel. (022)4938 541, Fax. (022)4938 722
Indonesia: Philips House, Jalan H.R. Rasuna Said Kav. 3-4,
P.O. Box 4252, JAKARTA 12950,
Tel. (02)70-4044, Fax. (02)92 0601
Tel. (021)5201 122, Fax. (021)5205 189
Ireland: Newstead, Clonskeagh, DUBLIN 14,
Tel. (01)7640 000, Fax. (01)7640 200
Italy: PHILIPS SEMICONDUCTORS S.r.l.,
Piazza IV Novembre 3, 20124 MILANO,
Tel. (0039)2 6752 2531, Fax. (0039)2 6752 2557
Japan: Philips Bldg 13-37, Kohnan2-chome, Minato-ku, TOKYO 108,
Tel. (03)3740 5130, Fax. (03)3740 5077
Korea: Philips House, 260-199 Itaewon-dong,
Internet: http://www.semiconductors.philips.com/ps/
For all other countries apply to: Philips Semiconductors,
International Marketing and Sales, Building BE-p,
P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands,
Telex 35000 phtcnl, Fax. +31-40-2724825
Yongsan-ku, SEOUL, Tel. (02)709-1412, Fax. (02)709-1415
Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA,
SELANGOR, Tel. (03)750 5214, Fax. (03)757 4880
Mexico: 5900 Gateway East, Suite 200, EL PASO, TX 79905,
Tel. 9-5(800)234-7381, Fax. (708)296-8556
Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB,
Tel. (040)2783749, Fax. (040)2788399
New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND,
SCD47
© Philips Electronics N.V. 1995
All rights are reserved. Reproduction in whole or in part is prohibited without the
prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation
or contract, is believed to be accurate and reliable and may be changed without
notice. No liability will be accepted by the publisher for any consequence of its
use. Publication thereof does not convey nor imply any license under patent- or
other industrial or intellectual property rights.
Tel. (09)849-4160, Fax. (09)849-7811
Norway: Box 1, Manglerud 0612, OSLO,
Printed in The Netherlands
Tel. (022)74 8000, Fax. (022)74 8341
Pakistan: Philips Electrical Industries of Pakistan Ltd.,
Exchange Bldg. ST-2/A, Block 9, KDA Scheme 5, Clifton,
KARACHI 75600, Tel. (021)587 4641-49,
Fax. (021)577035/5874546
513061/1100/01/pp24
Date of release: 1995 Dec 08
9397 750 00516
Document order number:
相关型号:
TDA1400
MONO CLASS-T DIGITAL AUDIO AMPLIFIER DRIVER USING DIGITAL POWER PROCESSINGTM TECHNOLOGY
TRIPATH
©2020 ICPDF网 联系我们和版权申明