SA1140 查看數據表（PDF） - Silan Microelectronics
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SA1140 Datasheet PDF : 6 Pages
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SA1140
(Continued)
Characteristics
AM Rejection Ratio
Muting Drive Output(1)
Muting Drive Output（2）
Signal Meter Output (1)
Signal Meter Output (2)
Signal Meter Output (3)
Signal Meter Output (4)
AGC Output (1)
AGC Output (2)
Offset Voltage (1)
Offset Voltage (2)
PIN CONFIGURATIONS
Symbol
AMR
V14-0
V14-100
V15-0
V15-50
V15-70
V15-100
V16-0
V16-100
V7-13
V8-13
Test condition
VIN = 100 dBµ, FM 400 Hz.
100% mod., AM 1 kHz 30%
mod.
VIN=0
VIN = 100 dBµ
VIN=0
VIN = 50 dBµ
VIN = 70 dBµ
VIN = 100 dBµ
VIN=0
VIN = 100 dBµ
VIN=0, pin 7 to 13
VIN=0, pin 8 to 13
Min. Typ. Max. Unit
50 63
dB
3.5 4.2 5.0
V
0
0
0.3
V
0
0.1 0.3
V
0.8 1.4 2.0
V
1.6 2.4 3.2
V
4.5 5.3 6.0
V
3.5 4.1 4.5
V
0
0.02 0.3
V
–0.25 0 +0.25 V
–0.5 0 +0.5 V
PIN DESCRIPTIONS
Pin No.
1
2
3
4
5
6
7
8
Pin Name
IN+
IN-
PREAMPOUT
GND1
ATTadj
MUTEIN
AFC
OUT
Description
Positive in
Negative in
Out of IF preamp
Gnd1
Resister connected between p5 and GND determines the maximum
muting attenuation
The higher the current flowing into p6,the lower the gain (the higher the
attenuation )
AFC clamp
Out of AF
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.10.27
Page 3 of 6
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