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SA1088 PDF даташит

Спецификация SA1088 изготовлена ​​​​«Silan Microelectronics» и имеет функцию, называемую «FM RECEIVER CIRCUIT».

Детали детали

Номер произв SA1088
Описание FM RECEIVER CIRCUIT
Производители Silan Microelectronics
логотип Silan Microelectronics логотип 

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SA1088 Даташит, Описание, Даташиты
Silan
Semiconductors
SA1088
FM RECEIVER CIRCUIT FOR BATTERY
SUPPLY
DESCRIPTION
The SA1088 is a bipolar integrated circuit for use in mono portable
and pocket radios. It is used when a minimum of perpheral
components (of small dimensions and low costs) is important. The
circuit contains a frequency-locked-loop(FLL) system with an
intermediate frequency(IF) of about 70kHz. Selectivity is achieved
by active RC-filters. De-tuning related to the IF and too weak input
signal is suppressed by the mute circuit.
FEATURES
* Equipped with all stages of a mono receiver from antenna to
audio output.
* Mute Circuit
* Search tuning with a single varicap diode
* Mechanical tuning with integrating AFC
* AM application supported
* Power supply polarity protection
* Power supply voltage down to 1.8V
SOP-16
APPLICATION
1. Mechanical tuning: This is possible with or without integrated AFC circuit
2. Electrical tuning: This is realized by one directional(band-up) search tuning facility, including RESET to the
lower-band limit.
PIN CONFIGURATIONS
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MUTE 1
16 TUNE
VOAF 2
15 CAP
LOOP 3
14 GND
VP 4
OSC 5
13 CLIM
SA1088
12 VIRF
IF FB 6
11 VIRF
CLP1 7
10 CLP2
VOIF 8
9 VIIF
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
1
2001-11-22









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SA1088 Даташит, Описание, Даташиты
Silan
Semiconductors
BLOCK DIAGRAM
SA1088
www.DataSheet4U.com
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
2
2001-11-22









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SA1088 Даташит, Описание, Даташиты
Silan
Semiconductors
SA1088
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Supply Voltage
Vp
Operating Temperature
Tamb
Storage Temperature
Tstg
Value
5
-10 ~ +70
-55 ~ +150
Unit
V
°C
°C
DC ELECTRICAL CHARACTERISTICS
(Tamb=25°C,Vp=3V ,Unless otherwise specified)
Parameter
Symbol
Test conditions
Supply Voltage(pin 4)
Vp
Supply Current(Pin 4)
Ip
DC voltage of pin 1
V1
DC voltage of pin 3
V3
DC voltage of pin 6 and 7
V6,7
DC voltage of pin 8
V8
DC voltage of pin 9,10 and 13
V9,10,13
DC voltage of pin 11 and 12
V11,12
DC voltage of pin 15
V15
AF output current on pin 2
I2
Oscillator current on pin 5
I5
Min Typ Max Unit
1.8 3.0 5.0
V
4.2 5.2 6.6 mA
2.50 2.55 2.60 V
2.64 2.69 2.74 V
2.38 2.44 2.50 V
1.60 1.67 1.74 V
2.42 2.47 2.52 V
0.91 0.94 0.98 V
2.06 2.12 2.18 V
45 60 80 µA
275 375 500 µA
AC ELECTRICAL CHARACTERISTICS
Tamb=25°C,Vp=3V,Firf=96MHz modulated with f=±22.5kHz and fm=1kHz deviation;EMF=0.3mV(e.m.f. at a
sourse impedance of 75),and measurement taken in fig.3 Unless otherwise specified
Parameter
Symbol
Test conditions
Min Typ Max Unit
VoAF=-3dB;VoAF=0dB at
Vi=1mV;see Fig. 2
RF Sensitivityinput voltage
Vi(rms) Mute OFF
3 6 µV
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Mute ON
(S+N)/N=26dB
3 6 12 µV
5 10 µV
Signal handling
THD<10%,f=±75kHz
 200
mV
Signal-to -noise ratio
(S+N)/N See fig.2
 56
dB
Total Harmonic distortion
THD
f=±22.5kHz
1 1.4 %
f=±75kHz
2.4 3.3
%
AM suppression of output
AMS FM: 1kHz; ±75kHz
47 52
dB
voltage
AM: 1kHz; MOD=80%
Ripple rejection
RR Vp=100mVrms,f=1kHz
7 10
dB
Audio output signal
Vo(rms) RL=22k
60 85 120 mV
Search Tuning(with V101 and C16=0.1µF) See Fig.1
Minimum output voltage on pin
V16 Limiting point
Vp- V
16 1.85
Tuning steepness
V/t Voltage at pin 16
95 210 420 mV/sec
Oscillator steepness
fosc/t
1.25 2.83 5.6 MHz/sec
AFC steepness
IAFC/V3 Voltage at pin 3
4.75 9.5 19
µs
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
3
2001-11-22










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