TSA5518M [NXP]
1.3 GHz bidirectional I2C-bus controlled synthesizer; 1.3 GHz的双向I2C总线控制的合成器
| 型号： | TSA5518M |
| 厂家： | 
NXP |
| 描述： | 1.3 GHz bidirectional I2C-bus controlled synthesizer |
| 文件： | 总20页 (文件大小：164K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
TSA5518M
1.3 GHz bidirectional I2C-bus
controlled synthesizer
1997 Mar 07
Product specification
File under Integrated Circuits, IC02
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
FEATURES
• Complete 1.3 GHz single chip system
• Low power 5 V, 40 mA
• I2C-bus programming
• One pin crystal oscillator
• In-lock flag
GENERAL DESCRIPTION
• Varicap drive disable
• Low radiation
The device is a single chip PLL frequency synthesizer
designed for TV tuning systems. Control data is entered
via the I2C-bus; five serial bytes are required to address
the device, select the oscillator frequency, program the
7 output ports and set the charge-pump current.
The output port P6 is combined with an A/D converter
input. Digital information concerning this port can be read
out of the SDA line (one status byte) during a READ
operation. A flag is set when the loop is ‘in-lock’ and is read
during a READ operation. The device has one fixed
I2C-bus address, programmed by applying a specific
voltage on AS input. The phase comparator operates at
7.8125 kHz when a 4 MHz crystal in used. The device
provides a bandswitch output to select the bands of the
mixer/oscillator ICs TDA5330, TDA5630A except
TDA5630/C1 and TDA5730 with the appropriate voltage
level.
• Address selection for picture in picture (PIP), DBS tuner,
and so on
• 5-level A/D converter
• 7 bus-controlled ports (4 open-collector outputs and
3 emitter follower outputs), 1 bidirectional port
• Power-down flag
• Mixer/oscillator bandswitch output
• Available in SSOP20 package.
APPLICATIONS
• TV tuners and front-ends
• VCR tuners.
QUICK REFERENCE DATA
SYMBOL
VCC
ICC
fi
PARAMETER
supply voltage
CONDITIONS
MIN.
4.5
TYP.
MAX. UNIT
5
5.5
−
V
supply current
frequency
−
40
−
−
−
−
4
mA
MHz
mV
mV
mV
MHz
mA
mA
mA
°C
80
12
9
1300
300
300
300
4.48
5
Vi(rms)
input voltage level (RMS value) 80 to 150 MHz
150 MHz to 1.0 GHz
1 GHz to 1.3 GHz
40
3.2
−
fxtal
Io
crystal oscillator frequency
output current
emitter follower on P4, P5 and P7
open-collector P0, P1 and P2
open-collector P6
−
−
−
−
−
−
20
−
10
Tamb
operating ambient temperature
−10
−
+80
120
Rth j-a
thermal resistance from
junction to ambient
K/W
ORDERING INFORMATION
TYPE
PACKAGE
NUMBER
NAME
DESCRIPTION
VERSION
TSA5518M
SSOP20
plastic shrink small outline package; 20 leads; body width 4.4 mm
SOT266-1
1997 Mar 07
2
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
BLOCK DIAGRAM
GM1K5
a n d b o o k , f u l l p a g e w
1997 Mar 07
3
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
PINNING
SYMBOL
PIN
DESCRIPTION
drive output (UD)
UD
P7
1
2
P7 output port
P5
3
P5 output port
handbook, halfpage
P4
4
P4 output port
UD
P7
1
2
3
4
5
6
7
8
9
20 PD
BS
n.c
RF2
RF1
GND
P1
5
bandswitch output for M/O drive
not connected
19 XTAL
18 n.c.
6
P5
7
UHF/VHF signal input 2
UHF/VHF signal input 1
ground
V
17
P4
CC
8
BS
16 SCL
9
TSA5518M
10
11
12
13
P1 output port (general purpose)
P0 output port (general purpose)
input for Address Selection
n.c.
RF2
RF1
GND
SDA
P2
15
14
P0
AS
P6
13 P6
P6 port (output/input for general
purpose ADC)
12
11
AS
P0
P1 10
P2
14
P2 output port (fDIV if the test mode
is active)
MBH947
SDA
SCL
VCC
n.c
15
16
17
18
19
20
I2C-bus serial data input/output
I2C-bus serial clock
voltage supply
not connected
XTAL
PD
crystal oscillator input
charge-pump output (PD)
Fig.2 Pin configuration.
or charge pump and port information (first bit = 1) will
follow. Until an I2C-bus STOP condition is sent by the
controller, additional data bytes can be entered without the
need to re-address the device. This allows a smooth
frequency sweep for fine tuning or AFC purpose. At
power-on the ports are set to the high-impedance state
(open-collector outputs) or at the HIGH level (emitter
follower outputs). The bandswitch output BS provides a
voltage output suitable for the band selection input of
mixer/oscillator ICs TDA5330, TDA5630A and TDA5730.
It is controlled by B1 and B0 bits or P7, P5 and P4 bits
depending on the BSC bit (see Tables 1 to 4). The
7.8125 kHz reference frequency is obtained by dividing
the output of the 4 MHz crystal oscillator by 512. Because
the input of UHF/VHF signal is first divided-by-8 the step
size is 62.5 kHz. A 3.2 MHz crystal can offer step size of
50 kHz.
FUNCTIONAL DESCRIPTION
The device is controlled via the two wire I2C-bus.
For programming, there is one module address (7 bits)
and the R/W bit for selecting READ or WRITE mode.
Write mode
The write data format is summarized in Table 1. After the
address transmission (first byte), data bytes can be sent to
the device. Four data bytes are needed to fully program
the device. The bus transceiver has an auto increment
facility which permits the programming of the device within
one single transmission (address byte + 4 data bytes).
The device can also be partially programmed on the
condition that the first data byte following the address is
byte 2 or 4. The meaning of the bits in the data bytes is
given in Table 3. The first bit of the first data byte
transmitted indicates whether frequency data (first bit = 0)
1997 Mar 07
4
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
Table 1 Write data format
MS
B
BYTE
DESCRIPTION
LSB ACKNOWLEDGE
1
2
3
4
5
address
1
0
1
0
0
0
MA1 MA0 0
LOW from device
LOW from device
LOW from device
programmable divider
N14 N13 N12 N11 N10 N9
N8
N0
programmable divider
N7 N6 N5 N4 N3
N2
N1
B0
P1
charge-pump, bandswitch and test bits 1
CP T1 T0 BSC B1
OS LOW from device
P0 LOW from device
output ports control bits
P7 P6 P5 P4
X
P2
Table 2 Explanation of Table 1
BIT
DESCRIPTION
MA1, MA0
N14, .. , N0
programmable address bits (see Table 7)
programmable divider bits
N = N14 × 214 + N13 × 213 +...+ N1 × 21 + N0
CP
charge pump current
CP = 0 to 50 µA; CP = 1 to 220 µA
T1 = 0, T0 = 0, OS = 0: normal operation
T1 = 1: P2 = fDIV, P6 = fref
T1, T0, OS
T0 = 1: 3-state charge pump
OS = 1: operational amplifier output is switched off (varicap drive disable)
bandswitch control bit
BSC
BSC = 0: bandswitch output is controlled by B1 and B0 bits according to Table 3
BSC = 1: bandswitch output is controlled by P7, P5 and P4 bits according to Table 4
bandswitch control bits
B1, B0
P6, P2, P1 and P0
P6, P2 .. P0 = 1: open-collector outputs are active
P6, P2 .. P0 = 0: outputs are in high impedance state
P4, P5 and P7 = 1: outputs are at low level
P4, P5 and P7
X
P4, P5 and P7 = 0: emitter follower outputs are active
don’t care
Table 3 BS output control (BSC = 0)
Table 4 BS output control (BSC = 1)
B1
B0
VOLTAGE ON PIN BS
P7
P5
P4
VOLTAGE ON PIN BS
0
0
1
1
0
1
0
1
0.25 V
2 V
1
1
0
1
0
1
0
1
1
0.25 V
2 V
4 V
4 V
VCC
1997 Mar 07
5
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
in its high-impedance state. The POR flag (Power-on
reset) is set to logic 1 when VCC goes below 3 V and at
power-on. It is reset when an end of data is detected by the
device (end of a READ sequence). Control of the loop is
made possible with the in-lock flag FL which indicates
(FL = 1) when the loop is phase-locked. A built-in % level
A/D converter is available on I/O port P6. This converter
can be used to feed AFC information to the controller from
the IF section of the television as illustrated in the typical
application circuit in Fig.2. The relationship between bit
A2, A1 and A0 and the input voltage on port P6 is given in
Table 6.
Read mode
The read data format is summarised in Table 5. Data can
be read out of the device by setting the R/W bit to logic 1.
After the slave address has been recognized, the device
generates an acknowledge pulse and the status word is
transferred on the SDA line (MSB first). Data is valid on the
SDA line during a HIGH of the SCL clock signal. A second
data byte can be read out of the device if the processor
generates an acknowledge on the SDA line. End of
transmission will occur if no acknowledge from the
processor occurs.The device will then release the data line
to allow the processor to generate a STOP condition.
When the port P6 is used as input, it must be programmed
Table 5 Read data format
BYTE DESCRIPTION MSB
LSB
1
A0(4)
ACKNOWLEDGE
LOW from device
note 5
1
address
1
1
0
0
0
0
0
0
MA1(1) MA0(1)
A2(4) A1(4)
2, ..
status byte(s)
POR(2) FL(3)
Notes
1. See Table 7.
2. POR: Power-on reset flag. (POR = 1 on power-on).
3. FL: in lock flag (FL = 1 when the loop is phase-locked).
4. A2, A1, A0: digital outputs of the 5 level A/D converter (see Table 6). Accuracy is 1⁄2 LSB. MSB is transmitted first.
5. Upon an acknowledge pulse from the controller, the device transfers the status byte again. If no acknowledge pulse
from the controller is received, data read is terminated.
Table 6 A/D converter levels
Address selection
Accuracy on the switching levels is ±0.02VCC
.
The module address contains programmable address bits
(MA1 and MA0) which offer the possibility of having
several synthesizers (up to 3) in one system by applying a
specific voltage on AS input. The relationship between
MA1 and MA0 and the input voltage on AS input is given
in Table 7.
VOLTAGE APPLIED ON PIN P6
A2
A1
A0
0.6VCC to 5.5 V
0.45VCC to 0.6VCC
0.3VCC to 0.45VCC
0.15VCC to 0.3VCC
0 to 0.15VCC
1
0
0
0
0
0
1
1
0
0
0
1
0
1
0
Frequency lock flag (FL) definition
When the FL flag is logic 1, the maximum frequency
deviation dF from stable frequency can be expressed as:
Table 7 Address selection
K
C1 + C2
C1 × C2
df = ± VCO × I
×
with:
---------------------
VOLTAGE APPLIED ON PIN AS
MA1
MA0
-------------
CP
KO
0 to 0.1VCC
always valid
0.4 to 0.6VCC
0.9VCC to VCC
0
0
1
1
0
1
0
1
K
VCO = oscillator slope (Hz/V)
ICP = charge pump current (A)
KO = 4 × 106
C1, C2 = loop filter capacitors.
1997 Mar 07
6
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VCC
PARAMETER
supply voltage
CONDITIONS
MIN.
−0.3
MAX.
+6
UNIT
V
Vi(XTAL)
Vi(SCL)
VSDA
Vi(AS)
Vo(BS)
Vi(RF)
Vo
voltage at pin XTAL
voltage at pin SCL
voltage at pin SDA
voltage at pin AS
−0.3
−0.3
−0.3
−0.3
−0.3
−0.3
−0.3
+VCC
+6
V
V
V
V
V
V
V
+6
+VCC
+VCC
+VCC
+16
voltage at pin BS
voltage at pins RF1 and RF2
output voltage at ports P0, P2
and P6
output voltage at ports P4, P5
and P7
−0.3
+VCC
V
VPD
VUD
ISDA
Io
output voltage at pin PD
output voltage at pin UD
output current at pin SDA
−0.3
−0.3
−1
+VCC
+VCC
+5
V
V
open collector
mA
mA
output current at pins P0, P1
and P2
−1
+20
output current at pins P4, P5
and P7
emitter follower
open collector
−1
+10
mA
output current at pin P6
storage temperature
−1
−40
−
+10
+150
150
10
mA
°C
°C
s
Tstg
Tj(max)
maximum junction temperature
tsc(GND)(max) maximum short circuit time to
GND
one pin to GND (VCC = 5.5 V;
GND = 0 V)
−
tsc(VCC)(max) maximum short circuit time to
VCC
one pin to VCC (VCC = 5.5 V; GND = 0 V)
−
10
s
HANDLING
Every pin withstands the ESD test in accordance with MIL-STD-833C category B (2000 V).
Every pin withstands the ESD test in accordance with Philips Semiconductor machine model 0 Ω, 200 pF.
THERMAL CHARACTERISTICS
SYMBOL
Rth j-a
PARAMETER
CONDITIONS
in free air
VALUE
UNIT
thermal resistance from junction to ambient
120
K/W
1997 Mar 07
7
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
CHARACTERISTICS
V
CC = 4.5 to 5.5 V; Tamb = −10 to +80 °C; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS
Operating characteristics
MIN.
TYP.
MAX.
UNIT
VCC
Tamb
fi
supply voltage
4.5
−
−
−
−
5.5
V
operating ambient temperature
input frequency
divider
−10
80
+80
°C
1300
32767
50
MHz
N
note 1
256
25
ICC
supply current
40
mA
Crystal oscillator
fosc
oscillator frequency
3.2
−
4
4.48
−450
−
MHz
Ω
Zi(XTAL)
Vo(XTAL)
Vi(RF)
input impedance on pin XTAL
output drive level on pin XTAL
input level
−
−
40
mV
mV
mV
mV
mV
MHz
see Fig.3
12
9
−
300
300
300
10
fi = 80 to 150 MHz
fi = 150 to 1000 MHz
fi = 1000 to 1300 MHz
−
40
−
−
−
flatness of the minimum sensitivity
prescaler input impedance
150
−
1000
see Fig.4
Output port P0, P1 and P2 (open collector); note 1
ILO
output leakage current
output sink current
VPn = 13.5 V
note 2
−
−
−
−
−
−
−
−
10
µA
mA
V
Io(sink)
VOL
20
LOW-level output voltage
IPn = 15 mA
0.5
100
CL(max)
maximum capacitive loading on output VPn = 5.5 V
pin
nF
Output ports P4, P5 and P7 (emitter follower)
VOH
IOH
HIGH-level output voltage
HIGH-level output current
Iport = 3 mA
V
CC − 1
−
−
V
−
3
5
mA
Output port P6 (open collector)
ILO
output leakage current
output sink current
VP6 = 13.5 V
note 2
−
−
−
−
1
−
−
−
10
µA
mA
V
Io(sink)
VOL
10
LOW-level output voltage
IP6 = 5 mA
0.4
100
CL(max)
maximum capacitive loading on output VP6 = 5.5 V
pin
nF
Input port AS
IIH
IIL
HIGH-level input current
HIGH-level input current
VASH = VCC
VASL = 0 V
−
−
−
10
µA
µA
−10
−
Input port P6
IIH
IIL
HIGH-level input current
LOW-level input current
VP6H = 5.5 V
VP6L = 0 V
−
−
−
10
µA
µA
−10
−
1997 Mar 07
8
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Bandswitch output BS
VO(BSA)
VO(BSB)
output voltage for band A
output voltage for band B
Isource(BSA) = 20 µA
−
0.25
0.5
V
Isource(BSB) = 20 µA;
note 3
0.36
VCC
0.4
VCC
0.43
VCC
V
VO(BSC)
output voltage for band C
Isource(BSC) = 20 µA;
0.7
0.8
0.9
V
note 3
VCC
VCC
VCC
I2C-bus inputs SCL, SDA; note 4
VIH
VIL
hysi
IIH
HIGH-level input voltage
LOW-level input voltage
input hysteresis
3
−
5.5
1.5
−
V
−
−
V
VCC = 5 V
−
250
−
mV
µA
µA
µA
µA
HIGH-level input current
VBH = 5.5 V; VCC = 0 V
VBH = 5.5 V; VCC = 5.5 V
VBL = 0 V; VCC = 0 V
VBL = 0 V; VCC = 5.5 V
−
10
10
−
−
−
IIL
LOW-level input current
−10
−10
−
−
−
Output SDA (open collector)
ILO
VO
output leakage current
output voltage
VSDAH = VCC
ISDAL = 3 mA
−
−
−
−
10
µA
0.4
V
Charge-pump output PD
IOH(cp) HIGH level output charge pump
CP = 1
CP = 0
140
25
220
50
300
75
µA
µA
current
IOL(cp)
LOW level output charge pump
current
VO
ILZ
output voltage
in-lock
T0 = 1
1.5
−
−
2.5
+5
V
OFF-state leakage current
−5
nA
Operational amplifier output UD (test mode: T0 = 1)
Vo(off)
output voltage when switched-off
OS = 1; IUD = 1 mA
−
−
−
−
200
1.2
mV
V
Vo(loop)
output voltage when the loop is closed OS = 0; T0 = 0
Notes
1. If the dividing number N is set to less than 256, a dividing number of 256 is used.
2. When a port is active, the collector voltage may not exceed 6 V.
3. Measured with all other ports active at max. current (10 mA or 20 mA respectively).
4. See “The I2C-bus and how to use it”, order no. 9398 393 40011.
1997 Mar 07
9
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
MGK117
3
10
handbook, halfpage
V
i(rms)
(mV)
2
10
guaranteed operating area
10
1
0
500
1000
1500
f (MHz)
Fig.3 I/O prescaler typical input sensitivity curve: VCC = 4.5 to 5.5 V; Tamb = −10 to +80 °C.
1
0.5
2
0.2
5
10
+ j
− j
0.2
0.5
1
2
5
10
0
∞
50 MHz
10
100 MHz
5
0.2
1.3 GHz
500 MHz
2
1 GHz
0.5
MGK118
1
Fig.4 Prescaler Smith-chart of typical input impedance: VCC = 5 V; reference value 50 Ω.
1997 Mar 07
10
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
INTERNAL PIN CONFIGURATION
PIN
CONFIGURATION
PIN
CONFIGURATION
7 and 8
1 and 20
V
V
CC
to divider
CC
V
CC
7
DOWN
UP
V
ref
V
CC
V
CC
20
8
MGK121
V
CC
10, 11, 13
and 14
V
CC
1
10, 11, 13, 14
MGK127
2, 3 and 4
MGK120
V
CC
V
CC
12
V
CC
V
CC
2, 3, 4
12
MGK119
5
V
CC
MGK123
V
CC
15
V
CC
5
15
MGK122
MGK124
1997 Mar 07
11
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
PIN
CONFIGURATION
PIN
CONFIGURATION
16
19
V
CC
V
CC
V
CC
16
19
MGK125
MGK126
1997 Mar 07
12
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
APPLICATION INFORMATION
22 kΩ
33 V
V
tune
filter dependent
22 kΩ
15 nF
PD
BC847
35 kΩ
100 nF
10 pF
UD
P7
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
XTAL
HIGH
MID
LOW
BS
5 V
P5
n.c.
V
4 MHz
P4
CC
390 Ω 390 Ω 390 Ω
300 Ω
300 Ω
BS
SCL
SDA
P2
SCL
SDA
P2
TSA5518M
n.c.
RF2
RF1
GND
P1
1 nF
1 nF
RF2
RF1
1 kΩ
1 kΩ
P8
ADC
AS
P3
P0
P0
P1
4.7
nF
4.7
nF
4.7
nF
4.7
nF
4.7
nF
4.7
nF
4.7
nF
4.7
nF
MGK116
Fig.5 Typical application.
Loop filter
Table 8 Loop filter
DESCRIPTION
MIN. MAX. UNIT
Time span between actual
1024 1152 µs
phase lock and FL flag setting
Time span between the loop
0
128
µs
losing lock and FL flag resetting
KVCO = 16 MHz/V (UHF band)
C2
R
lfpage
ICP = 220 µA
C1
C1 = 100 nF, C2 = 15 nF
df = ±67.5 kHz
MBH948
Fig.6 Loop filter.
1997 Mar 07
13
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
PACKAGE OUTLINE
SSOP20: plastic shrink small outline package; 20 leads; body width 4.4 mm
SOT266-1
D
E
A
X
c
y
H
v
M
A
E
Z
11
20
Q
A
2
A
(A )
3
A
1
pin 1 index
θ
L
p
L
1
10
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.
10o
0o
0.15
0
1.4
1.2
0.32
0.20
0.20
0.13
6.6
6.4
4.5
4.3
6.6
6.2
0.75
0.45
0.65
0.45
0.48
0.18
mm
1.5
0.65
1.0
0.2
0.25
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
90-04-05
95-02-25
SOT266-1
1997 Mar 07
14
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
If wave soldering cannot be avoided, the following
conditions must be observed:
SOLDERING
Introduction
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave)
soldering technique should be used.
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.
• The longitudinal axis of the package footprint must
be parallel to the solder flow and must incorporate
solder thieves at the downstream end.
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).
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).
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.
Reflow soldering
Reflow soldering techniques are suitable for all 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.
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
6 seconds. Typical dwell time is 4 seconds at 250 °C.
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.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Repairing soldered joints
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.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45 °C.
Wave soldering
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.
1997 Mar 07
15
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
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.
PURCHASE OF PHILIPS I2C COMPONENTS
Purchase of Philips I2C components conveys a license under the Philips’ I2C patent to use the
components in the I2C system provided the system conforms to the I2C specification defined by
Philips. This specification can be ordered using the code 9398 393 40011.
1997 Mar 07
16
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
NOTES
1997 Mar 07
17
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
NOTES
1997 Mar 07
18
Philips Semiconductors
Product specification
1.3 GHz bidirectional I2C-bus controlled
synthesizer
TSA5518M
NOTES
1997 Mar 07
19
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Internet: http://www.semiconductors.philips.com
Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825
© Philips Electronics N.V. 1997
SCA53
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
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under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
547047/1200/01/pp20
Date of release: 1997 Mar 07
Document order number: 9397 750 01612
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