PHILIPS UAA3201T

INTEGRATED CIRCUITS
DATA SHEET
UAA3201T
UHF/VHF remote control receiver
Product specification
Supersedes data of 1995 May 18
File under Integrated Circuits, IC18
2000 Apr 18
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
FEATURES
APPLICATIONS
• Oscillator with external Surface Acoustic Wave
Resonator (SAWR)
• Car alarm systems
• Wide frequency range from 150 to 450 MHz
• Security systems
• Remote control systems
• High sensitivity
• Gadgets and toys
• Low power consumption
• Telemetry.
• Automotive temperature range
• Superheterodyne architecture
GENERAL DESCRIPTION
• Applicable to fulfil FTZ 17 TR 2100 (Germany)
The UAA3201T is a fully integrated single-chip receiver,
primarily intended for use in VHF and UHF systems
employing direct AM Return-to-Zero (RZ) Amplitude Shift
Keying (ASK) modulation.
• High integration level, few external components
• Inexpensive external components
• IF filter bandwidth determined by application.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VCC
supply voltage
3.5
−
6.0
V
ICC
supply current
−
3.4
4.8
mA
Pref
input reference sensitivity
−
−
−105
dBm
Tamb
ambient temperature
−40
−
+85
°C
fi(RF) = 433.92 MHz;
data rate = 250 bits/s;
BER ≤ 3 × 10−2
ORDERING INFORMATION
TYPE
NUMBER
UAA3201T
2000 Apr 18
PACKAGE
NAME
SO16
DESCRIPTION
plastic small outline package; 16 leads; body width 3.9 mm
2
VERSION
SOT109-1
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
BLOCK DIAGRAM
handbook, full pagewidth
VCC
IF FILTER
RF_IN
C12
C17
R1
C19
VEM
15
MIXIN
FA
LIN
LFB
CPC
14
16
13
12
11
CPO
10
IF AMPLIFIER
×
BUFFER
MIXER
LIMITER
COMPARATOR
9
data
BUFFER
VCC
OSCILLATOR
BAND GAP
REFERENCE
Vref
UAA3201T
4
5
1
2
3
6
OSC
OSE
MON
MOP
VCC
VEE
7
CPB
C14
8
CPA
MHB679
C13
C7
Fig.1 Block diagram.
PINNING
SYMBOL
PIN
DESCRIPTION
MON
1
negative mixer output
MOP
2
positive mixer output
VCC
3
positive supply voltage
MON
1
16 FA
OSC
4
oscillator collector
MOP
2
15 VEM
OSE
5
oscillator emitter
14 MIXIN
6
negative supply voltage
VCC
3
VEE
CPB
7
comparator input B
OSC
4
CPA
8
comparator input A
DATA
9
CPO
13 LIN
UAA3201T
OSE
5
12 LFB
data output
VEE
6
11 CPC
10
comparator offset adjustment
CPB
7
10 CPO
CPC
11
comparator input C
CPA
8
9
LFB
12
limiter feedback
LIN
13
limiter input
MIXIN
14
mixer input
VEM
15
negative supply voltage for mixer
FA
16
IF amplifier output
2000 Apr 18
DATA
DATA
MED897
Fig.2 Pin configuration.
3
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
FUNCTIONAL DESCRIPTION
Limiter
The RF signal is fed directly into the mixer stage where it
is mixed down to nominal 500 kHz IF by the integrated
oscillator controlled by an external SAWR (see Fig.1). The
IF signal is then passed to the IF amplifier which increases
the level. A 5th-order elliptic low-pass filter acts as main
IF filtering. The output voltage of that filter is demodulated
by a limiter that rectifies the incoming IF signal. The
demodulated signal passes two RC filter stages and is
then limited by a data comparator which makes it available
at the data output.
The limiting amplifier consists of three DC coupled
amplifier stages with a total gain of 60 dB. A Received
Signal Strength Indicator (RSSI) signal is generated by
rectifying the IF signal. The limiter has a lower frequency
limit of 100 kHz which can be controlled by capacitors C12
and C19. The upper frequency limit is 3 MHz.
Comparator
The 2 × IF component in the RSSI signal is removed by the
first order low-pass capacitor C17. After passing a buffer
stage the signal is split into two paths, leading via
RC filters to the inputs of a voltage comparator. The time
constant of one path (C14) is compared to the bit duration.
Consequently the potential at the negative comparator
input represents the average magnitude of the RSSI
signal. The second path with a short time constant (C13)
allows the signal at the positive comparator input to follow
the RSSI signal instantaneously. This results in a variable
comparator threshold, depending on the strength of the
incoming signal. Hence the comparator output is switched
on, when the RSSI signal exceeds its average value, i.e.
when an ASK ‘on’ signal is received.
Mixer
The mixer is a single balanced emitter coupled pair with
internally set bias current. The optimum impedance is
320 Ω at 430 MHz. Capacitor C5 (see Fig.9) is used to
transform a 50 Ω generator impedance to the optimum
value.
Oscillator
The oscillator consists of a transistor in common base
configuration and a tank circuit including the SAWR.
Resistor R2 (see Fig.9) is used to control the bias current
through the transistor. Resistor R3 is required to reduce
unwanted responses of the tank circuit.
The low-pass filter capacitor C13 rejects the unwanted
2 × IF component and reduces the noise bandwidth of the
data filter.
IF amplifier
The resistor R1 is used to set the current of an internal
source. This current is drawn from the positive comparator
input, thereby applying an offset and driving the output into
the ‘off’ state during the absence of an input signal. This
offset can be increased by lowering the value of R1
yielding a higher noise immunity at the expense of reduced
sensitivity.
The IF amplifier is a differential input, single-ended output
emitter coupled pair. It is used to decouple the first and the
second IF filter and to provide some additional gain in
order to reduce the influence of the noise of the limiter on
the total noise figure.
IF filters
Band gap reference
The first IF filter is an RC filter formed by internal resistors
and an external capacitor C7 (see Fig.1).
The band gap reference controls the biasing of the whole
circuit. In this block currents are generated that are
constant over the temperature range and currents that are
proportional to the absolute temperature.
The second IF filter is an external elliptic filter. The source
impedance is 1.4 kΩ and the load is high-impedance. The
bandwidth of the IF filter in the application and test circuit
(see Fig.9) is 800 kHz due to the centre frequency spread
of the SAWR. It may be reduced when SAWRs with less
tolerances are used or temperature range requirements
are lower. A smaller bandwidth of the filter will yield a
higher sensitivity of the receiver. As the RF signal is mixed
down to a low IF signal there is no image rejection
possible.
2000 Apr 18
The current consumption of the receiver rises with
increasing temperature, because the blocks with the
highest current consumption are biased by currents that
are proportional to the absolute temperature.
4
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCC
supply voltage
−0.3
+8.0
V
Tamb
ambient temperature
−40
+85
°C
Tstg
storage temperature
−55
+125
°C
Ves
electrostatic handling voltage
pins OSC and OSE
−2000
+1500
V
pins LFB and MIXIN
−1500
+2000
V
all other pins
−2000
+2000
V
note 1
Note
1. Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 kΩ series resistor.
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
CONDITIONS
thermal resistance from junction to ambient
in free air
VALUE
UNIT
105
K/W
DC CHARACTERISTICS
VCC = 3.5 V; all voltages referenced to VEE; Tamb = −40 to +85 °C; typical value for Tamb = 25 °C; for test circuit
see Fig.9; SAWR disconnected; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
3.5
−
R2 = 680 Ω
−
3.4
IDATA = −10 µA; note 1
VCC − 0.5 −
VCC
supply voltage
ICC
supply current
VOH(DATA)
HIGH-level output voltage at
pin DATA
VOL(DATA)
LOW-level output voltage at
pin DATA
IDATA = +200 µA; note 1
0
Note
1. IDATA is defined to be positive when the current flows into pin DATA.
2000 Apr 18
TYP.
5
−
MAX.
6.0
UNIT
V
4.8
mA
VCC
V
0.6
V
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
AC CHARACTERISTICS
VCC = 3.5 V; Tamb = 25 °C; for test circuit see Fig.9; R1 disconnected; for AC test conditions see Section “AC test
conditions”; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
BER ≤ 3 × 10−2; note 1
input reference sensitivity
Pref
MIN.
10−2
TYP.
MAX.
UNIT
−
−
−105
dBm
−
−
−30
dBm
Pi(max)
maximum input power
BER ≤ 3 ×
Pspur
spurious radiation
note 2
−
−
−60
dBm
IP3mix
interception point (mixer)
−20
−17
−
dBm
IP3IF
interception point (mixer plus IF amplifier)
−38
−35
−
dBm
P1dB
1 dB compression point (mixer)
−38
−35
−
dBm
ton(RX)
receiver turn-on time
−
−
10
ms
note 3
Notes
1. Pref is the maximum available power at the input of the test board. The Bit Error Rate (BER) is measured using the
test facility shown in Fig.8.
2. Valid only for the reference PCB (see Figs 10 and 11). Spurious radiation is strongly dependent on the PCB layout.
3. The supply voltage VCC is pulsed as explained in Fig.3.
INTERNAL PIN CONFIGURATION
PIN
SYMBOL
1
MON
2
MOP
EQUIVALENT CIRCUIT
VP
1.5
kΩ
1.5
kΩ
1
from
oscillator
buffer
MHB680
2
3
VCC
3
VCC
MHB681
4
OSC
5
OSE
VP
4
5
6 kΩ
1.2 V
MHB682
2000 Apr 18
6
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
PIN
6
UAA3201T
SYMBOL
EQUIVALENT CIRCUIT
VEE
6
MHB683
7
CPB
8
CPA
VP
150 kΩ
7
150 kΩ
8
MHB684
9
DATA
VP
1 kΩ
9
MHB686
10
CPO
VP
10
MHB685
11
CPC
VP
30 kΩ
11
2000 Apr 18
7
MHB704
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
PIN
SYMBOL
12
LFB
13
LIN
UAA3201T
EQUIVALENT CIRCUIT
VP
50
kΩ
12
13
MHB687
14
MXIN
15
VEM
14
15
16
MHB688
FA
VP
1.4 kΩ
16
MHB689
TEST INFORMATION
Tuning procedure for AC tests
1. Turn on the signal generator: fi(RF) = 433.92 MHz, no modulation and RF input level = 1 mV.
2. Tune capacitor C6 (RF stage input) to obtain a maximum voltage on pin LIN.
3. Check that data is appearing on pin DATA and proceed with the AC tests.
AC test conditions
The reference signal level Pref for the following tests is defined as the minimum input level in dBm to give a
BER ≤ 3 × 10−2 (e.g. 7.5 bit errors per second for 250 bits/s).
2000 Apr 18
8
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
Table 1
UAA3201T
Test signals
TEST
SIGNAL
FREQUENCY
(MHz)
1
433.92
250 bits/s
(square wave)
RZ signal with duty cycle of 66% for logic 1;
RZ signal with duty cycle of 33% for logic 0
100%
2
434.02
−
no modulation
−
3
433.92
−
no modulation
−
DATA SIGNAL
MODULATION
INDEX
MODULATION
Test results
P1 is the maximum available power from signal generator 1 at the input of the test board; P2 is the maximum available
power from signal generator 2 at the input of the test board.
Table 2
Test results
GENERATOR
TEST
RESULT
1
2
Maximum input power;
see Fig.4
test signal 1;
P1 = −30 dBm
(minimum Pmax)
−
BER ≤ 3 × 10−2
(e.g. 7.5 bit errors per second for 250 bits/s)
Receiver turn-on time;
see Fig.4 and note 1
test signal 1;
P1 = Pref + 10 dB
−
check that the first 10 bits are correct; error counting is
started 10 ms after VCC is switched on
Interception point (mixer);
see Fig.5 and note 2
test signal 3;
P1 = −50 dBm
test
IP3 = P1 + 1⁄2 × IM3 (dB);
signal 2; minimum value: IP3mix ≥ −20 dBm
P2 = P1
Interception point (mixer plus
IF amplifier); see Fig.5 and
note 3
test signal 3;
P1 = −50 dBm
test
IP3 = P1 + 1⁄2 × IM3 (dB);
signal 2; minimum value: IP3IF ≥ −38 dBm
P2 = P1
Spurious radiation; see Fig.6
and note 4
−
−
no spurious radiation (25 MHz to 1 GHz) with level
higher than −60 dBm (maximum Pspur)
1 dB compression point
(mixer);
see Fig.7 and note 5
test signal 3;
P11 = −70 dBm;
P12 = −38 dBm
(minimum P1dB)
−
(Po1 + 70 dB) − [Po2 + 38 dB (minimum P1dB)] ≤ 1 dB,
where Po1 is the output power for test signal with P11
and Po2 is the output power for test signal with P12
Notes
1. The supply voltage VCC of the test circuit alternates between ‘on’ (100 ms) and ‘off’ (100 ms); see Fig.3.
2. Differential probe of spectrum analyser connected to pins MOP and MON.
3. Probe of spectrum analyser connected to pin LIN.
4. Spectrum analyser connected to the input of the test board.
5. Probe of spectrum analyser connected to either pin MOP or pin MON.
2000 Apr 18
9
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
MED899 - 1
VCC
(V)
3.5
0
0
100
200
300
t (ms)
Fig.3 Timing diagram for pulsed supply voltage.
GENERATOR 1
50 Ω
BER TEST
FACILITY (2)
TEST CIRCUIT (1)
MED900
(1) For test circuit see Fig.9.
(2) For BER test facility see Fig.8.
Fig.4 Test configuration (single generator).
GENERATOR 1
50 Ω
50 Ω
2-SIGNAL
POWER
COMBINER
TEST CIRCUIT
SPECTRUM
ANALYZER
WITH
PROBE
(1)
GENERATOR 2
50 Ω
IM3
∆f
∆f
∆f
∆f = 100 kHz
MED901
(1) For test circuit see Fig.9.
Fig.5 Test configuration (interception point).
2000 Apr 18
10
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
SPECTRUM
ANALYZER
INPUT IMPEDANCE
50 Ω
TEST CIRCUIT (1)
MED902
(1) For test circuit see Fig.9.
Fig.6 Test configuration (spurious radiation).
GENERATOR 1
50 Ω
TEST CIRCUIT
SPECTRUM
ANALYZER
WITH
PROBE
(1)
MED903
(1) For test circuit see Fig.9.
Fig.7 Test configuration (1 dB compression point).
TX data
SIGNAL
GENERATOR
MASTER
CLOCK
DEVICE
UNDER TEST
RX data
BIT PATTERN
GENERATOR
PRESET
DELAY
delayed
TX data
DATA
COMPARATOR
INTEGRATE
AND DUMP
to error counter
BER TEST BOARD
MED904
Fig.8 BER test facility.
2000 Apr 18
11
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
APPLICATION INFORMATION
RF_IN
handbook, full pagewidth
C8
C9
C20
C11
C10
C5
+3.5 V
L1
C4
C15
C6
L2
L3
VEM
15
FA
16
C12
C17
R1
data
C19
MIXIN
14
LIN
13
LFB
12
CPC
11
CPO
10
DATA
9
LIMITER
BUFFER
BUFFER
VCC
Vref
1
COMPARATOR
MIXER
IF
AMP
2
MON
UAA3201T
BAND GAP
REFERENCE
OSCILLATOR
3
VCC
MOP
4
5
OSC
OSE
6
VEE
8
CPA
C18
C7
L4
C16
R2
C21
(1)
3.5 V
C1
C2
C3
R3
SAWR
(1) Stray inductance.
Fig.9 Application and test circuit.
2000 Apr 18
7
CPB
12
C14
C13
MED896
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
Components and layout of printed circuit board of test circuit for fi(RF) = 433.92 MHz
Table 3
Components list for Fig.9
COMPONENT
VALUE
TOLERANCE
DESCRIPTION
R1
27 kΩ
±2%
TC = +50 ppm/K
R2
680 Ω
±2%
TC = +50 ppm/K
R3
220 Ω
±2%
TC = +50 ppm/K
C1
4.7 µF
±20%
−
C2
150 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C3
1 nF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C4
820 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C5
3.3 pF
±10%
TC = 0 ±150 ppm/K; tan δ ≤ 30 × 10−4; f = 1 MHz
C6
2.5 to 6 pF
−
TC = 0 ±300 ppm/K; tan δ ≤ 20 × 10−4; f = 1 MHz
C7
56 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C8
150 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C9
220 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C10
27 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 20 × 10−4; f = 1 MHz
C11
150 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C12
100 nF
±10%
tan δ ≤ 25 × 10−3; f = 1 kHz
C13
2.2 nF
±10%
tan δ ≤ 25 × 10−3; f = 1 kHz
C14
33 nF
±10%
tan δ ≤ 25 × 10−3; f = 1 kHz
C15
150 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C16
3.9 pF
±10%
TC = 0 ±150 ppm/K; tan δ ≤ 30 × 10−4; f = 1 MHz
C17
10 nF
±10%
tan δ ≤ 25 × 10−3; f = 1 kHz
C18
3.3 pF
±10%
TC = 0 ±150 ppm/K; tan δ ≤ 30 × 10−4; f = 1 MHz
C19
68 pF
±10%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
C20
6.8 pF
±10%
TC = 0 ±150 ppm/K; tan δ ≤ 30 × 10−4; f = 1 MHz
C21
47 pF
±5%
TC = 0 ±30 ppm/K; tan δ ≤ 10 × 10−4; f = 1 MHz
L1
10 nH
±10%
Qmin = 50 to 450 MHz; TC = 25 to 125 ppm/K
L2
330 µH
±10%
Qmin = 45 to 800 kHz; Cstray ≤ 1 pF
L3
330 µH
±10%
Qmin = 45 to 800 kHz; Cstray ≤ 1 pF
L4
33 nH
±10%
Qmin = 45 to 450 MHz; TC = 25 to 125 ppm/K
SAWR
−
−
see Table 4
Table 4
SAWR data
DESCRIPTION
SPECIFICATION
Type
one-port (e.g. RFM R02112)
Centre frequency
433.42 MHz ±75 kHz
Maximum insertion loss
1.5 dB
Typical loaded Q
1600 (50 Ω load)
Temperature drift
0.032 ppm/K2
Turnover temperature
43 °C
2000 Apr 18
13
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
MBE589
RF_IN
data
n.c.
UAA3201T
H4ACS15
Fig.10 Layout top side.
MBE591
PCALH/H4ACS15
51SCA4H
Fig.11 Layout bottom side.
2000 Apr 18
14
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
MBE590
RF_IN
C5
C4
L3
C15
L1
L2
DATA
R1
C19
C6 C12 C17
data
IC1
C13
C14
n.c.
SAWR
supply
UAA3201T
H4ACS15
Fig.12
Fig.12 Top
Top side
side with
with components.
components.
MBE592
C11
C10
C9
C8
C21
C20
C2
R2
C16
C18
L4
C7
C1
C3
R3
PCALH/H4ACS15
51SCA4H
Fig.13 Bottom side with components.
2000 Apr 18
15
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
PACKAGE OUTLINE
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
D
E
A
X
c
y
HE
v M A
Z
16
9
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
1
L
8
e
0
detail X
w M
bp
2.5
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25
0.25
0.1
0.7
0.3
0.069
0.010 0.057
0.004 0.049
0.01
0.019 0.0100 0.39
0.014 0.0075 0.38
0.16
0.15
0.050
0.039
0.016
0.028
0.020
0.01
0.01
0.004
0.028
0.012
inches
0.244
0.041
0.228
θ
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT109-1
076E07
MS-012
2000 Apr 18
EIAJ
EUROPEAN
PROJECTION
ISSUE DATE
97-05-22
99-12-27
16
o
8
0o
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
• Use a double-wave soldering method comprising a
turbulent wave with high upward pressure followed by a
smooth laminar wave.
SOLDERING
Introduction to soldering surface mount packages
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.
The footprint must incorporate solder thieves at the
downstream end.
• 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.
Reflow soldering
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.
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 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.
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.
Typical reflow peak temperatures range from
215 to 250 °C. The top-surface temperature of the
packages should preferable be kept below 230 °C.
Manual soldering
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.
Wave 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.
When using a dedicated tool, all other leads can be
soldered in one operation within 2 to 5 seconds between
270 and 320 °C.
To overcome these problems the double-wave soldering
method was specifically developed.
If wave soldering is used the following conditions must be
observed for optimal results:
2000 Apr 18
17
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
Suitability of surface mount IC packages for wave and reflow soldering methods
SOLDERING METHOD
PACKAGE
WAVE
BGA, LFBGA, SQFP, TFBGA
not suitable
suitable(2)
HBCC, HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, SMS
not
PLCC(3), SO, SOJ
suitable
LQFP, QFP, TQFP
SSOP, TSSOP, VSO
REFLOW(1)
suitable
suitable
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.
2000 Apr 18
18
Philips Semiconductors
Product specification
UHF/VHF remote control receiver
UAA3201T
DATA SHEET STATUS
DATA SHEET STATUS
PRODUCT
STATUS
DEFINITIONS (1)
Objective specification
Development
This data sheet contains the design target or goal specifications for
product development. Specification may change in any manner without
notice.
Preliminary specification
Qualification
This data sheet contains preliminary data, and supplementary data will be
published at a later date. Philips Semiconductors reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
Product specification
Production
This data sheet contains final specifications. Philips Semiconductors
reserves the right to make changes at any time without notice in order to
improve design and supply the best possible product.
Note
1. Please consult the most recently issued data sheet before initiating or completing a design.
DEFINITIONS
DISCLAIMERS
Short-form specification  The data in a short-form
specification is extracted from a full data sheet with the
same type number and title. For detailed information see
the relevant data sheet or data handbook.
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
Semiconductors customers using or selling these products
for use in such applications do so at their own risk and
agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Limiting values definition  Limiting values given are in
accordance with the Absolute Maximum Rating System
(IEC 60134). 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.
Right to make changes  Philips Semiconductors
reserves the right to make changes, without notice, in the
products, including circuits, standard cells, and/or
software, described or contained herein in order to
improve design and/or performance. Philips
Semiconductors assumes no responsibility or liability for
the use of any of these products, conveys no licence or title
under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
Application information  Applications that are
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
no representation or warranty that such applications will be
suitable for the specified use without further testing or
modification.
2000 Apr 18
19
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For all other countries apply to: Philips Semiconductors,
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5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825
Internet: http://www.semiconductors.philips.com
SCA 69
© Philips Electronics N.V. 2000
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.
Printed in The Netherlands
03/pp20
Date of release: 2000
Apr 18
Document order number:
9397 750 06929