TDA3827 [NXP]
TV-sound demodulator circuit with SCART switches and AF control; 电视伴音解调电路SCART开关和自动对焦控制
| 型号： | TDA3827 |
| 厂家： | 
NXP |
| 描述： | TV-sound demodulator circuit with SCART switches and AF control |
| 文件： | 总12页 (文件大小：122K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
TDA3827
TV-sound demodulator circuit with
SCART switches and AF control
March 1991
Preliminary specification
File under Integrated Circuits, IC02
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with
SCART switches and AF control
TDA3827
FEATURES
QUICK REFERENCE DATA
• Wide supply voltage range from
4.5 V to 13.2 V
SYMBOL
PARAMETER
CONDITIONS MIN. TYP. MAX. UNIT
VP
supply voltage
range (pin 18)
4.5
5.0
13.2
V
• Wide frequency range from 4 to
12 MHz
IP
supply current
(pin 18)
VP = 5 V
−
26
−
mA
• High ripple rejection
• High precision and temperature
compensated FM-demodulator
output
VP = 12 V
−
28
78
−
−
mA
dB
(S+N)/N
signal to weighted
noise
73
• Multiple-input AF operational
amplifiers with offset compensation
V5(rms)
FM demodulator ∆f = 50 kHz;
450 500
550
mV
V
output voltage
(RMS value)
fmod = 1 kHz;
QL = 20
• SCART AF input / AF output (low
impedance)
V13(rms)
SCART output
signal
−
1.0
−
• External AF input
(RMS value)
• High-level AF output voltage with
Gv
volume control
range
80
85
−
−
dB
V
low distortion
• External selection of the source
selector AF gain
V17(rms)
AF output signal ∆f = 50 kHz;
−
1.0
(RMS value)
fmod = 1 kHz;
QL = 20
• Low switching noise between AF
and mute
THD
total harmonic
distortion (pin 17)
−
0.5
−
%
• Wide volume-control range
GENERAL DESCRIPTION
ORDERING AND PACKAGE INFORMATION
The TDA3827 contains a single FM
demodulator with SCART switches, a
mute function and volume control.
PACKAGE
PINS PIN POSITION MATERIAL
18 DIL plastic
EXTENDED TYPE
NUMBER
CODE
TDA3827
SOT102(1)
Note
1. SOT102-2; 1996 December 13.
March 1991
2
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
Fig.1 Block diagram.
March 1991
3
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
PIN CONFIGURATION
PINNING
SYMBOL
PIN
DESCRIPTION
GND
VFB1
1
2
3
4
5
6
7
8
ground
limiter amplifier feedback
FM IF input signal
VIF
VFB2
limiter amplifier feedback
AF output signal
VO AF1
VINT AF
VEXT AF
VSEL1
internal AF input signal
external AF input signal
selection voltage for internal /
external AF input and mute
9
V90°
quadrature demodulator tuned
circuit reference
10
11
V90°
VSEL2
selection voltage for internal /
external or SCART audio
VF
12
13
14
15
16
17
18
source selector feedback
output signal to SCART
reference voltage
VO AF2
VREF
VSC AF
VDC
input signal from SCART
DC volume control voltage
AF output signal from volume control
supply voltage
VO AF3
VP
Fig.2 Pin configuration.
Fig.3 Internal circuits.
4
March 1991
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC 134)
SYMBOL
VP
PARAMETER
MIN.
−0.5
MAX.
UNIT
supply voltage (pin 18)
VP + 6.8
VP − 0.7
13.2
VP
V
V
V
V
Vext
external voltage (pins 2 to 10, 12 to 15 and 17)
external voltage at pin 11
−0.3
−0.3
−0.3
5.0
−
external voltage at pin 16
RL
external DC load resistance (pin 13 and pin 17)
capacitive output load (pin 13 and pin 17)
total power dissipation
−
kΩ
pF
mW
°C
°C
V
CL
1500
450
Ptot
Tstg
Tamb
VESD
−
storage temperature range
−40
0
+ 150
+ 70
−
operating ambient temperature range
ESD-protection (note 1)
±2000
Note to the limiting values
1. Measured with a 100 pF capacitor in series with a 1.5 kΩ resistor.
March 1991
5
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
CHARACTERISTICS
All voltages are measured to GND (pin 1); VP = 5 V; VIF = 10 mV; fo = 5.5 MHz; fAF = 1 kHz; ∆f = 50 kHz; Tamb = 25 °C;
measured in test circuit of Fig.4.; unless otherwise specified.
SYMBOL
PARAMETER
supply voltage.range (pin 18)
supply current (pin 18)
CONDITIONS
MIN.
4.5
TYP.
5.0
MAX.
13.2
UNIT
VP
IP
V
VP = 5.0 V
−
26
30
32
2.4
−
mA
mA
V
VP = 12.0 V
−
28
V14
I14
reference voltage
output current
2.2
−
2.3
± 250
µA
IF limiting amplifier
Vi(rms)
input signal at pin 3
(RMS value)
−
−
−
200
50
mV
3 dB below nominal AF
level at pin 5
30
µV
R3-1
input resistance
DC voltage
−
−
600
2.1
−
−
Ω
V2,3,4
V
FM demodulator (QL = 20)
V5(rms)
AF-output signal (RMS value)
450
−
500
−
550
30
2
mV
residual 2fo-signal (RMS value)
temperature coefficient (pin 5)
AM suppression
without de-emphasis
mV
TC
−
1
mV/K
dB
αAM
fAM = 400 Hz, m = 0.3, 50
62
−
Vi(rms) = 500 µV; Fig.8
THD
Zo
total harmonic distortion
output impedance (pin 5)
small signal bandwidth (pin 5)
see Fig.8
−
0.3
6.6
−
0.5
−
%
−
kΩ
kHz
BAF1
at −1 dB;
100
−
without de-emphasis
(S+N)/N
RR
signal to weighted noise ratio
ripple rejection
CCIR468-3, DIN45405; 73
see Fig.8
78
35
3.2
−
−
−
dB
dB
V
fR = 70 Hz,
30
VR = 100 mV(p-p)
V9,10
DC voltage
−
Source selector
Vi 6,7(rms) input signal (RMS value)
−
50
−
−
−
−
−
−
−
−
−
500
80
60
0
1000
−
mV
kΩ
dB
dB
dB
V
Z6,7
input impedance
Go
open loop gain
−
G13/6,7
gain
see Fig.4
see Fig.1
−
gain (typical application)
DC voltage
6
−
V13
2.3
−
−
I13
DC output current
1.0
10
1500
1.1
−
mA
Ω
Z13
output impedance dynamic
capacitive output load (pin 13)
output signal (RMS value)
noise voltage (RMS value)
−
CL
−
pF
V
V13(rms)
handling THD < 0.1 %
1.0
20
Bnoise = 20 kHz
µV
March 1991
6
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
SYMBOL
BAF2
PARAMETER
small signal bandwidth
slew rate (pin 13)
CONDITIONS
at −1 dB
MIN.
100
TYP.
MAX.
UNIT
kHz
−
−
−
dV/dt
1
−
V/µs
∆V13
offset-voltage between any two
source selector positions
−
5
20
mV
αmute
α7/6
AF suppression at mute
crosstalk attenuation
80
70
90
76
−
−
dB
dB
Source selector control (see Fig.5)
V8
voltage for internal selection of
AF-input (pin 6)
1/3 VP
−
2/3 VP
−0.7
V
I8
selection input current
−
−
−
200
VP
µA
V8
voltage for external selection of
AF-input (pin 7)
2/3 VP
+0.7
V
I8
selection input current
voltage for mute active
input current
40
0
−
−
−
600
µA
V
V8
I8
1/3 Vp−1
−500
−10
µA
SCART switch and level control
V15(rms)
Z15
AC input signal (RMS value)
input impedance
−
500
80
0
1000
−
mV
kΩ
dB
dB
dB
V
50
−1.5
+ 4.0
80
−
G17-15
Gmax
∆GV
V17
voltage gain
V16 = 4.1 V
V16 = 5.0 V
see Fig.7
+ 1.5
+ 6.0
−
maximum voltage gain
volume control range
DC voltage
+ 5.0
86
2.3
−
−
I17
DC output current
−
−1
mA
Ω
Z17
dynamic output impedance
capacitive output load (pin 17)
output signal (RMS value)
noise voltage (RMS value)
small signal bandwidth (pin 17)
distortion (pin 17)
−
−
10
CL
−
−
1500
1.1
−
pF
V
V17(rms)
THD ≤ 1 %
−
1.0
100
100
0.5
5
Bnoise = 20 kHz
at −3 dB
−
µV
kHz
%
BAF3
THD
∆V17
50
−
−
at maximum gain
1.0
20
offset voltage between internal and
SCART
−
mV
V16
control voltage
minimum gain −80 dB; 0.7
1.0
−
V
see Fig.7
I16
control current
−
−
50
µA
α6,7/15
crosstalk attenuation between
IF-stage and control-stage
IF sound modulated;
SCART switch on;
source-selector on
position input 1
80
90
−
dB
March 1991
7
---------------------
-
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
SCART switch control (see Fig.6)
V11
I11
voltage for internal active
current
0
0
−
4/5 VP −3
−100
V
−
−
−
µA
V
V11
I11
voltage for SCART active
current
4/5 VP −1
13.2
700
µA
V
11 – 1.4
20.000
Fig.4 Test circuit.
March 1991
8
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
Fig.5 Source selector switching levels.
Fig.6 SCART switching levels.
9
March 1991
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
Fig.7 Volume control diagram.
Fig.8 AF output voltage at pin 5, THD, (S+N)/N in accordance with to CCIR468-3 and AM suppression αAM as
functions of IF input voltage VIF at pin 3.
March 1991
10
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
PACKAGE OUTLINE
DIP18: plastic dual in-line package; 18 leads (300 mil); slim corner leads
SOT102-2
D
M
E
A
2
A
A
1
L
c
e
w M
Z
b
1
(e )
1
b
b
2
18
10
M
H
pin 1 index
E
1
9
0
5
10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
(1)
A
A
A
2
(1)
(1)
Z
1
w
UNIT
mm
b
b
b
c
D
E
e
e
L
M
M
H
1
2
1
E
max.
min.
max.
max.
1.40
1.14
0.53
0.38
1.05
0.75
0.32
0.23
21.8
21.4
6.48
6.20
3.9
3.4
8.25
7.80
9.5
8.3
4.7
0.51
3.7
2.54
0.10
7.62
0.30
0.254
0.01
0.85
0.055 0.021 0.041 0.013
0.045 0.015 0.030 0.009
0.86
0.84
0.26
0.24
0.15
0.13
0.32
0.31
0.37
0.33
inches
0.19
0.020
0.15
0.033
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
EIAJ
93-10-14
95-01-23
SOT102-2
March 1991
11
Philips Semiconductors
Preliminary specification
TV-sound demodulator circuit with SCART
switches and AF control
TDA3827
SOLDERING
Introduction
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.
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).
Soldering by dipping or by wave
The maximum permissible temperature of the solder is 260 °C; solder at this temperature must not be in contact with the
joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds.
The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the
specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may
be necessary immediately after soldering to keep the temperature within the permissible limit.
Repairing soldered joints
Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more
than 2 mm above it. If the temperature of the soldering iron bit is less than 300 °C it may remain in contact for up to
10 seconds. If the bit temperature is between 300 and 400 °C, contact may be up to 5 seconds.
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.
March 1991
12
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