SC1088 Datasheet, PDF (3/7 Pages) Silan Microelectronics Joint-stock – FM RECEIVER CIRCUIT FOR BATTERY SUPPLY

Silan
Semiconductors
SC1088
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 75Ω),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
Mute ON
3
6
12
µV
(S+N)/N=26dB
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=22kΩ
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
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