SA1787 Datasheet, PDF (6/19 Pages) Silan Microelectronics Joint-stock – SINGLE-CHIP TUNER IC FOR CAR RADIOS

SA1787
Characteristics
Wide Band AGC
Sensitivity
Symbol
Test conditions
W-AGCsen1 1.4 MHz, the input when V46 = 0.7 V
1.4 MHz, the input when V46 = 0.7 V
W-AGCsen2
(seek mode)
SD-sen1 1 MHz, the ANT input level such that the
SD Sensitivity
AM
IF counter output turns on.
SD-sen2 1 MHz, the ANT input level such that the
AM
SD pin goes to the on state.
IF Buffer Output
1 MHz, 74 dBµ, unmodulated. No
VIFBUFF-AM
modulation. Output at pin 23
Note: * 1. When the resistor between pin 58 and ground is 200 kΩ.
* 2. When the resistor between pin 58 and ground is 30 kΩ.
Min. Typ. Max. Unit
91 97 105 dBµ
83 90 95 dBµ
25 31 36 dBµ
25 31 36 dBµ
170 260
mVrms
PIN CONFIGURATION
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0
2008.08.29
Page 6 of 19