PHILIPS TDA8060TS

INTEGRATED CIRCUITS
DATA SHEET
TDA8060TS
Satellite ZERO-IF QPSK
down-converter
Product specification
Supersedes data of 1998 May 29
File under Integrated Circuits, IC02
1999 Aug 30
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
FEATURES
TDA8060TS
wide range oscillator covers American, European and
Asian satellite bands as well as the future SMA-TV US
standard.
• Direct conversion QPSK demodulation (Zero IF)
• 920 to 2200 MHz range
Accurate QPSK demodulation is ensured by the on-chip
loop-controlled phase shifter. The Zero-IF concept
discards traditional IF filtering and intermediate conversion
techniques. It also simplifies the signal path.
• On-chip loop-controlled 0 or 90° phase shifter
• Variable gain on RF input
• 60 MHz, at −1 dB, bandwidth for baseband
I and Q amplifiers
The baseband I and Q signal bandwidth only depends, to
a certain extent, on the external filter used in the
application.
• Local oscillator output to PLL satellite or terrestrial
• 5 V supply voltage.
Optimum signal level is guaranteed by a gain-controlled
amplifier at the RF input. The GAIN pin sets the gain for
both I and Q channels, providing a 30 dB range.
APPLICATIONS
• Direct Broadcasting Satellite (DBS) QPSK
demodulation
The chip also offers a selectable internal LO prescaler
(divide-by-2) and buffer that has been designed to be
compatible with the input of a terrestrial or satellite
frequency synthesizer.
• Digital Video Broadcasting (DVB) QPSK deSupersedes
data of 1998 May 29
modulation.
GENERAL DESCRIPTION
The direct conversion QPSK demodulator is the front-end
receiver dedicated to digital TV broadcasting, satisfying
both DVB and DBS TV standards. The 920 to 2200 MHz
QUICK REFERENCE DATA
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VCC
supply voltage
4.75
5.00
5.25
V
∆Φ
quadrature error
−
−
3
deg
fosc
oscillator frequency
920
−
2200
MHz
Vo(p-p)
output voltage (peak-to-peak value)
−
0.75
−
V
Tamb
operating ambient temperature
−20
−
+85
°C
ORDERING INFORMATION
TYPE
NUMBER
TDA8060TS
1999 Aug 30
PACKAGE
NAME
DESCRIPTION
VERSION
SSOP24
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
2
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VCC(RF) RFGND
VCC(LO1) LOGND1 VCC(LO2) LOGND2
IOUT
IBBIN
6
16
2
24
9
15
19
CONVERSION STAGE
×
22
I CONVERTER
SYM
ASYM
AMP
23
IBBOUT
14
QBBOUT
1
VCC(BB1)
12
VCC(BB2)
3
BBGND1
10
BBGND2
100 MHz
RFA 8
RFB 7
BASEBAND
STAGE
LNA
Q CONVERTER
×
COMGAIN 4
3
QUADRATURE
GENERATOR
SYM
AMP
ASYM
100 MHz
STABILIZED LO
PLL AND
AMPLIFIER
TDA8060TS
PEN
5
DIVIDE-BY-2
OSCILLATOR
13
20
21
18
17
11
LOOUT
LOOUTC
TKA
TKB
QOUT QBBIN
Philips Semiconductors
LOW-PASS
FILTER
Satellite ZERO-IF QPSK down-converter
BLOCK DIAGRAM
1999 Aug 30
handbook, full pagewidth
MGM318
LOW-PASS
FILTER
Product specification
TDA8060TS
Fig.1 Block diagram.
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
TDA8060TS
PINNING
SYMBOL
PIN
DESCRIPTION
VCC(BB1)
1
supply voltage 1 for baseband
circuit (+5 V)
IOUT
2
‘I’ output from demodulator
BBGND1
3
ground 1 for baseband circuit
COMGAIN
4
RF amplifier gain control input
PEN
5
prescaler enable
VCC(RF)
6
supply voltage for RF circuit (+5 V)
RFB
7
RF signal input B
RFA
8
RF signal input A
RFGND
9
ground for RF circuit
BBGND2
10
ground 2 for baseband circuit
QOUT
11
‘Q’ output from demodulator
VCC(BB2)
12
supply voltage 2 for baseband
circuit (+5 V)
QBBIN
13
‘Q’ baseband amplifier input
QBBOUT
14
‘Q’ baseband amplifier output
LOGND1
15
ground 1 for local oscillator circuit
VCC(LO1)
16
supply voltage 1 for local oscillator
circuit (+5 V)
TKB
17
tank circuit input B
TKA
18
tank circuit input A
VCC(LO2)
19
supply voltage 2 for local oscillator
circuit (+5 V)
LOOUT
20
LOOUTC
21
local oscillator output to
synthesizer divided or not
according to PEN voltage
LOGND2
22
ground 2 for local oscillator circuit
IBBOUT
23
‘I’ baseband amplifier output
IBBIN
24
‘I’ baseband amplifier input
1999 Aug 30
handbook, halfpage
VCC(BB1) 1
24 IBBIN
23 IBBOUT
IOUT 2
BBGND1 3
22 LOGND2
COMGAIN 4
21 LOOUTC
20 LOOUT
PEN 5
VCC(RF) 6
19 VCC(LO2)
TDA8060TS
RFB 7
18 TKA
RFA 8
17 TKB
16 VCC(LO1)
RFGND 9
BBGND2 10
15 LOGND1
QOUT 11
14 QBBOUT
VCC(BB2) 12
13 QBBIN
MGM317
Fig.2 Pin configuration.
4
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
TDA8060TS
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VCC
supply voltage
−0.3
+6.0
V
Vi(max)
maximum input voltage on all pins
−0.3
VCC
V
tsc(max)
maximum short-circuit time
−
10
s
Tamb
operating ambient temperature
−20
+85
°C
Tstg
storage temperature
−55
+150
°C
Tj
junction temperature
−
150
°C
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is
desirable to take normal precautions appropriate to handling MOS devices.
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
CONDITIONS
thermal resistance from junction to ambient
VALUE
UNIT
120
K/W
MAX.
UNIT
in free air
DC CHARACTERISTICS
Tamb = 25 °C; VCC = 5 V; unless otherwise specified.
SYMBOL
PARAMETER
VCC
supply voltage
ICC
supply current
CONDITIONS
MIN.
TYP.
4.75
5.00
5.25
V
PEN = 5 V
63
73
83
mA
PEN = 0 V
60
70
80
mA
Conversion stage
VI(RFA)
DC input voltage on pin RFA
−
0.9
−
V
VI(RFB)
DC input voltage on pin RFB
−
0.9
−
V
VO(IOUT)
DC output voltage on pin IOUT
−
2.0
−
V
VO(QOUT)
DC output voltage on pin QOUT
−
2.0
−
V
Quadrature generator
VO(LOOUT)
DC output voltage on pin LOOUT
−
4.7
−
V
VO(LOOUTC)
DC output voltage on pin LOOUTC
−
4.7
−
V
Baseband stage
VI(IBBIN)
DC input voltage on pin IBBIN
−
2.5
−
V
VI(QBBIN)
DC input voltage on pin QBBIN
−
2.5
−
V
VO(IBBOUT)
DC output voltage on pin IBBOUT
−
2.5
−
V
VO(QBBOUT)
DC output voltage on pin QBBOUT
−
2.5
−
V
1999 Aug 30
5
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
TDA8060TS
AC CHARACTERISTICS
Tamb = 25 °C; VCC = 5 V; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX.
UNIT
920
−
2200 MHz
Quadrature generator
fosc
oscillator frequency range
ΦNosc
oscillator phase noise
at 10 kHz offset;
note 1
−
−80
−75
dBc/Hz
∆Φ
absolute quadrature error
note 2
−
0
3
deg
fLOOUT
output frequency
VPEN = 0 V
−
fosc
−
MHz
VPEN = VCC
−
1⁄
−
MHz
RL = 100 Ω
differential
−30
−22
−
dBm
−
60
−
Ω
Vo(diff)(LOOUT)
differential output voltage at pin LOOUT
Zo(diff)(LOOUT)
differential output impedance at pin LOOUT
2fosc
Conversion stage
Ri(diff)
series real part of differential input
impedance at pins RFA and RFB
note 3
−
34
−
Ω
Li(diff)
series inductance of differential input
impedance at pins RFA and RFB
note 3
−
5
−
nH
Pi(max)
maximum input power per channel
−
−22
−
dBm
Pi(min)
minimum input power per channel
−
−52
−
dBm
∆Gv/∆V(slope)
AGC slope
−
30
40
dB/V
∆Gv(I-Q)
voltage gain mismatch between I and Q
−
−
1
dB
∆td(g)(RF-IOUT)
group delay variation per channel (40 MHz)
from RF input to pin IOUT
−
0.5
2
ns
∆td(g)(RF-QOUT)
group delay variation per channel (40 MHz)
from RF input to pin QOUT
−
0.5
2
ns
td(g)(I-Q)(40)
group delay mismatch per channel (40 MHz)
between I and Q
−
0
0.5
ns
B(−1dB)(RF-IOUT)
channel −1 dB bandwidth from RF input to
pin IOUT
40
50
−
MHz
B(−1dB)(RF-QOUT)
channel −1 dB bandwidth from RF input to
pin QOUT
40
50
−
MHz
B(−3dB)(RF-IOUT)
channel −3 dB bandwidth from RF input to
pin IOUT
70
80
−
MHz
B(−3dB)(RF-QOUT)
channel −3 dB bandwidth from RF input to
pin QOUT
70
80
−
MHz
Zo(IOUT)
output impedance at pin IOUT
−
65
−
Ω
Zo(QOUT)
output impedance at pin QOUT
−
65
−
Ω
Vo(IOUT)
nominal output voltage level at pin IOUT
per channel
−
25
−
dBmV
Vo(QOUT)
nominal output voltage level at pin QOUT
per channel
−
25
−
dBmV
RoL(IOUT)
resistive load at pin IOUT
400
−
−
Ω
RoL(QOUT)
resistive load at pin QOUT
400
−
−
Ω
1999 Aug 30
at Gv(RF-IOUT)(min)
6
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
SYMBOL
PARAMETER
TDA8060TS
CONDITIONS
MIN.
TYP. MAX.
UNIT
SYMMETRICAL RF INPUT (Fig.3)
Gv(RF-IOUT)(min)
minimum voltage gain from RF input to
pin IOUT
VAGC = 0.1 x VCC;
note 4
−
−
−1
dB
Gv(RF-IOUT)(max)
maximum voltage gain from RF input to
pin IOUT
VAGC = 0.9 x VCC;
note 4
28
29
−
dB
Gv(RF-QOUT)(min)
minimum voltage gain from RF input to
pin QOUT
VAGC = 0.1 x VCC;
note 4
−
−
−1
dB
Gv(RF-QOUT)(max)
maximum voltage gain from RF input to
pin QOUT
VAGC = 0.9 x VCC;
note 4
28
29
−
dB
IP3i(I)
I 3rd-order interception point at RF input
1
4
−
dBm
IP2i(I)
I 2nd-order interception point at RF input
12
15
−
dBm
IP3i(Q)
Q 3rd-order interception point at RF input
1
4
−
dBm
IP2i(Q)
Q 2nd-order interception point at RF input
12
15
−
dBm
Fi
noise figure at maximum gain
VAGC = 0.9 x VCC;
Zsource = 50 Ω
−
12
15
dB
ASYMMETRICAL RF INPUT (Fig.4)
Gv(RF-IOUT)(min)
minimum voltage gain from RF input to
pin IOUT
VAGC = 0.1 x VCC;
note 5
−
−
−1
dB
Gv(RF-IOUT)(max)
maximum voltage gain from RF input to
pin IOUT
VAGC = 0.9 x VCC;
note 5
−
29
−
dB
Gv(RF-QOUT)(min)
minimum voltage gain from RF input to
pin QOUT
VAGC = 0.1 x VCC;
note 5
−
−
−1
dB
Gv(RF-QOUT)(max)
maximum voltage gain from RF input to
pin QOUT
VAGC = 0.9 x VCC;
note 5
−
29
−
dB
IP3i(I)
I 3rd-order interception point at RF input
−
3
−
dBm
IP2i(I)
I 2nd-order interception point at RF input
−
15
−
dBm
IP3i(Q)
Q 3rd-order interception point at RF input
−
3
−
dBm
IP2i(Q)
Q 2nd-order interception point at RF input
Fi
noise figure at maximum gain
VAGC = 0.9 x VCC;
Zsource = 50 Ω
−
15
−
dBm
−
13
−
dB
−
10
−
kΩ
−
25
−
dBmV
Baseband stages
Zi
input impedance
Vi
nominal input voltage level
NTXi
number of channels at input
−
2
−
−
Gv(IBBIN-IBBOUT)
voltage gain from pin IBBIN to pin IBBOUT
19
20
22
dB
Gv(QBBIN-QBBOUT)
voltage gain from pin QBBIN to pin QBBOUT
19
20
22
dB
Gv(I-Q)
voltage gain mismatch between I and Q
−
0
1
dB
per channel
IP3i
3rd-order interception point at IQBBIN input
54
59
−
dBmV
IP2i
2nd-order interception point at IQBBIN input
72
79
−
dBmV
∆td(g)(40)
group delay variation in 40 MHz bandwidth
−
0.5
2
ns
td(g)(I-Q)(40)
group delay mismatch in 40 MHz band
between I and Q
−
0.5
2
ns
1999 Aug 30
7
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
SYMBOL
TDA8060TS
PARAMETER
CONDITIONS
MIN.
TYP. MAX.
UNIT
40
65
−
MHz
B(−1dB)
channel −1 dB bandwidth
B(−3dB)
channel −3 dB bandwidth
70
100
−
MHz
Zo
output impedance
−
50
−
Ω
Vo(p-p)
nominal output voltage level
−
750
−
mV
Ro(L)
resistive load at output
400
−
−
Ω
2
ns
Overall with a 100 nF capacitor instead of LP1 and LP2
td(g)(I-Q)(40)
group delay mismatch in 40 MHz band
between I and Q
−
0.5
td(g)(I-Q)(R40)
group delay ripple in 40 MHz band for I or Q
−
0.5
1
ns
Gv(I-Q)(40)
voltage gain mismatch in 40 MHz band
between I and Q
−
−
1
dB
GR(I-Q)(40)
voltage gain ripple in 40 MHz band for I or Q
−
−
1
dB
SYMMETRICAL RF INPUT
Gv(RF-IBBOUT)(min)
minimum voltage gain from RF input to
pin IBBOUT
VAGC = 0.1 x VCC;
−
−
19
dB
Gv(RF-IBBOUT)(max)
maximum voltage gain from RF input to
pin IBBOUT
VAGC = 0.9 x VCC;
48
49
−
dB
Gv(RF-QBBOUT)(min)
minimum voltage gain from RF input to
pin QBBOUT
VAGC = 0.1 x VCC;
−
−
19
dB
Gv(RF-QBBOUT)(max) maximum voltage gain from RF input to
pin QBBOUT
VAGC = 0.9 x VCC;
48
49
−
dB
VAGC = 0.9 x VCC;
Zsource = 50 Ω
−
13
16
dB
Fi
noise figure at maximum gain
ASYMMETRICAL RF INPUT
Gv(RF-IBBOUT)(min)
minimum voltage gain from RF input to
pin IBBOUT
VAGC = 0.1 x VCC
−
−
19
dB
Gv(RF-IBBOUT)(max)
maximum voltage gain from RF input to
pin IBBOUT
VAGC = 0.9 x VCC
−
49
−
dB
Gv(RF-QBBOUT)(min)
minimum voltage gain from RF input to
pin QBBOUT
VAGC = 0.1 x VCC
−
−
19
dB
Gv(RF-QBBOUT)(max) maximum voltage gain from RF input to
pin QBBOUT
VAGC = 0.9 x VCC
−
49
−
dB
Fi
VAGC = 0.9 x VCC;
Zsource = 50 Ω
−
14
−
dB
noise figure at maximum gain
Notes
1. Measured in baseband (at pin IOUT or pin QOUT) on a carrier at 2 MHz and 25 dBmV.
2. Quadrature error with respect to 90°.
3. The differential input impedance of the IC is 34 Ω in series with the IC pins which give an inductance of 5 nH.
For optimum performance, this inductance should be cancelled by a matching network. Coupling capacitors of 1 pF
give an acceptable result.
4. Gain = Vo(dB) − Vi(dB) (see Fig.3). Gain for symmetrical RF input
5. Gain = Vo(dB) − Vi(dB) (see Fig.3). Gain for asymmetrical RF input
1999 Aug 30
8
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
handbook, full pagewidth
TDA8060TS
50 Ω
100 Ω
RF
SOURCE
Vi (dB)
50 Ω
50 Ω
1 pF
RFA
1 pF
RFB
IOUT
TDA8060TS
QOUT
RF
SOURCE
50 Ω
high
impedance
probe
Vo (dB)
MGM319
Fig.3 Gain control diagram for symmetrical RF input.
handbook, full pagewidth
50 Ω
1.5 pF
RFB
1.5 pF
RFA
IOUT
TDA8060TS
QOUT
RF
SOURCE
FCE406
50 Ω
RF
SOURCE
50 Ω
Vi (dB)
Fig.4 Gain control diagram for asymmetrical RF input
1999 Aug 30
9
high
impedance
probe
Vo (dB)
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
APPLICATION INFORMATION
Nevertheless, TDA8060 internally filters the baseband at
100 MHz and the nominal levels at inputs and outputs
mentioned in the specification table should be respected.
The input impedance of LP1 and LP2 must exceed 400 Ω
to avoid signal distortion.
Close attention should be paid to the design of the external
tank circuit of the VCO so that it covers the
920 to 2200 MHz frequency range. Both series 6 Ω
resistors kill all parasitic oscillations that could alter this
frequency range. The BB835 Siemens varicap diodes are
mentioned because they provide the highest Cmax/Cmin
ratio as well as the least parasitic elements in our
frequency range. The U-shaped inductance can be printed
with a total length of approximately 20 mm.
The converter outputs (pin IOUT and pin QOUT) must be
AC-coupled via the low-pass filter to the baseband
amplifiers inputs (pin IBBIN and pin QBBIN). Because of
the high impedance at pin IQBBIN, a 100 nF capacitor
gives a high-pass frequency of 160 Hz.
Filters LP1 and LP2 are not detailed in this data sheet
because their design only depends on the global system.
As the TDA8060 has been designed to be compatible with
DVB, DSS and Asian DVB, the cut-off frequencies and the
tolerance in group delay, the orders of the filters cannot be
globally established.
1999 Aug 30
TDA8060TS
10
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VCC(LO1) LOGND1 VCC(LO2) LOGND2
6
16
9
19
15
CONVERSION STAGE
1 pF
×
RFA
8
RFB
7
COMGAIN
4
RF
(2)
RF
IOUT
IBBIN
2
24
I CONVERTER
SYM
ASYM
AMP
23
IBBOUT
LOW-PASS
FILTER(3)
to
I channel
ADC
14
QBBOUT
LOW-PASS
FILTER(3)
to
Q channel
ADC
1
VCC(BB1)
12
VCC(BB2)
3
BBGND1
10
BBGND2
100 MHz
BASEBAND
STAGE
LNA
Q CONVERTER
1 pF
gain(1)
22
×
SYM
AMP
ASYM
100 MHz
100 nF
STABILIZED LO
PLL AND
AMPLIFIER
11
QUADRATURE
GENERATOR
TDA8060TS
0 to 5 V
PEN
5
DIVIDE-BY-2
OSCILLATOR
20
21
18
17
11
LOOUT
LOOUTC
TKA
TKB
QOUT QBBIN
6Ω
6Ω
13
Philips Semiconductors
100 nF
VCC(RF) RFGND
Satellite ZERO-IF QPSK down-converter
pagewidth
1999 Aug 30
LOW-PASS
FILTER(3)
MGM320
100 nF
1 pF
LOW-PASS
FILTER(3)
to PLL
synthesizer IC
20
kΩ
BB835
(2×)
20
kΩ
Fig.5 Application diagram.
Product specification
(1) Gain control voltage; minimum gain at 0.1 x VCC, maximum gain at 0.9 x VCC; 30 dB range.
(2) Differential RF input 950 to 2200 MHz; level = −22 to −52 dBm per channel.
(3) The filter input impedance is 400 Ω minimum.
TDA8060TS
Vtune
from PLL synthesizer IC
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
TDA8060TS
PACKAGE OUTLINE
SSOP24: plastic shrink small outline package; 24 leads; body width 5.3 mm
D
SOT340-1
E
A
X
c
HE
y
v M A
Z
24
13
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
L
1
12
bp
e
detail X
w M
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
2.0
0.21
0.05
1.80
1.65
0.25
0.38
0.25
0.20
0.09
8.4
8.0
5.4
5.2
0.65
7.9
7.6
1.25
1.03
0.63
0.9
0.7
0.2
0.13
0.1
0.8
0.4
8
0o
Note
1. Plastic or metal protrusions of 0.20 mm maximum per side are not included.
OUTLINE
VERSION
SOT340-1
1999 Aug 30
REFERENCES
IEC
JEDEC
EIAJ
EUROPEAN
PROJECTION
ISSUE DATE
93-09-08
95-02-04
MO-150AG
12
o
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
SOLDERING
TDA8060TS
If wave soldering is used the following conditions must be
observed for optimal results:
Introduction to soldering surface mount packages
• Use a double-wave soldering method comprising a
turbulent wave with high upward pressure followed by a
smooth laminar wave.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “Data Handbook IC26; Integrated Circuit Packages”
(document order number 9398 652 90011).
• For packages with leads on two sides and a pitch (e):
– larger than or equal to 1.27 mm, the footprint
longitudinal axis is preferred to be parallel to the
transport direction of the printed-circuit board;
There is no soldering method that is ideal for all surface
mount IC packages. Wave soldering is not always suitable
for surface mount ICs, or for printed-circuit boards with
high population densities. In these situations reflow
soldering is often used.
– smaller than 1.27 mm, the footprint longitudinal axis
must be parallel to the transport direction of the
printed-circuit board.
Reflow soldering
The footprint must incorporate solder thieves at the
downstream end.
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.
• For packages with leads on four sides, the footprint must
be placed at a 45° angle to the transport direction of the
printed-circuit board. The footprint must incorporate
solder thieves downstream and at the side corners.
Several methods exist for reflowing; for example,
infrared/convection heating in a conveyor type oven.
Throughput times (preheating, soldering and cooling) vary
between 100 and 200 seconds depending on heating
method.
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.
Typical reflow peak temperatures range from
215 to 250 °C. The top-surface temperature of the
packages should preferable be kept below 230 °C.
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
Manual soldering
Conventional single wave soldering is not recommended
for surface mount devices (SMDs) or printed-circuit boards
with a high component density, as solder bridging and
non-wetting can present major problems.
Fix the component by first soldering two
diagonally-opposite end leads. Use a low voltage (24 V or
less) soldering iron applied to the flat part of the lead.
Contact time must be limited to 10 seconds at up to
300 °C.
To overcome these problems the double-wave soldering
method was specifically developed.
When using a dedicated tool, all other leads can be
soldered in one operation within 2 to 5 seconds between
270 and 320 °C.
1999 Aug 30
13
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
TDA8060TS
Suitability of surface mount IC packages for wave and reflow soldering methods
SOLDERING METHOD
PACKAGE
REFLOW(1)
WAVE
BGA, SQFP
not suitable
HLQFP, HSQFP, HSOP, HTSSOP, SMS not
PLCC(3), SO, SOJ
suitable
suitable(2)
suitable
suitable
LQFP, QFP, TQFP
SSOP, TSSOP, VSO
suitable
not
recommended(3)(4)
suitable
not
recommended(5)
suitable
Notes
1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum
temperature (with respect to time) and body size of the package, there is a risk that internal or external package
cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the
Drypack information in the “Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods”.
2. These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink
(at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version).
3. If wave soldering is considered, then the package must be placed at a 45° angle to the solder wave direction.
The package footprint must incorporate solder thieves downstream and at the side corners.
4. Wave soldering is only suitable for LQFP, TQFP and QFP packages with a pitch (e) equal to or larger than 0.8 mm;
it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm.
5. Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is
definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm.
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
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.
1999 Aug 30
14
Philips Semiconductors
Product specification
Satellite ZERO-IF QPSK down-converter
NOTES
1999 Aug 30
15
TDA8060TS
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SCA 67
© Philips Electronics N.V. 1999
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
545004/25/03/pp16
Date of release: 1999
Aug 30
Document order number:
9397 750 04984