sa1691 Silan, sa1691 Datasheet

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sa1691

Manufacturer Part Number
sa1691
Description
Am/fm Radio Ic With Audio Power Amplifier Output
Manufacturer
Silan
Datasheet
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
AM/FM RADIO IC (WITH AUDIO POWER AMPLIFIER OUTPUT)
DESCRIPTION
cassette tape recorders, clock radios and headphone radios. This IC
include all function from antenna to audio power amplifier of AM/FM
radio.
FEATURES
FUNCTIONS
The SA1691 is a monolithic integrated circuit designed for radio
* Built-in AM/FM switching circuit
* Wide operating supply voltage(2V~7.5V)
* Low current consumption (V
* High power audio amplifier: 0.5W (Typ) at V
* AM/FM RF AMP
* Local OSC
* AM AGC control
* FM AFC Control
* Tuning Indicator
* AM/FM IF AMP
* FM Quadrature DET
* AM DET
* Audio Power AMP
* Volume Control
* MUTE
-- FM: I
-- AM: I
R
L
=8 , THD=10%
CCQ
CCQ
=7.6mA (Typ.)
=4.6mA (Typ.)
MUTE
GND
28
1
Audio power
DISC
OUT
FM
AF
27
2
CC
V
=3V)
NF
26
3
CC
RIPPLE
VOL
25
4
VOL
OSC
AM
AF
24
IN
5
CC
AM/FM IF DET/AGC
OUT
DET
AFC
23
=6V,
6
AGC
OSC
AFC
FM
22
7
AGC
REG
OUT
AFC
21
8
GND
AM/FM FE
FM
20
RF
IF
9
TUNING
METER
Tuning
AM RF
Meter
19
10
IN
ORDERING INFORMATION
APPLICATIONS
* Radio cassette tape recorders
* Clock radios
* Headphone radios.
NC
NC FM RF
18
11
SA1691S
Part No.
FM IF
17
12
IN
IN
AM IF
GND
SOP-28-375-1.27
FE
16
13
IN
REV:1.0
SELECT
AM/FM
AM/FM
IF OUT
15
14
SOP-28-375-1.27
Package
SA1691
Page 1 of 5
2005.09.07

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sa1691 Summary of contents

Page 1

... AM/FM RADIO IC (WITH AUDIO POWER AMPLIFIER OUTPUT) DESCRIPTION The SA1691 is a monolithic integrated circuit designed for radio cassette tape recorders, clock radios and headphone radios. This IC include all function from antenna to audio power amplifier of AM/FM radio. FEATURES * Built-in AM/FM switching circuit * Wide operating supply voltage(2V~7.5V) ...

Page 2

... DEV =60dB V,10.7MHz =60dB V, 10.7MHz Audio V =-30dBm, 1kHz IN 50mW output =60dB V,10.7MHz HD3 IN Audio V =-20dBm,1kHz output V Audio V =-20dBm,1kHz OFF input IN SA1691 Value 10 700 -10~+60 -50~+125 Min. Typ. Max. - 4.6 10 77.5 125 1.3 3.0 7.0 - 0.6 2.0 - 7.6 14 ...

Page 3

... Regulator pin 1.25V(Typ.) Connect FM RF tuning coil AM RF input input FE GND AM/FM IF output AM/FM selection. During GND it becomes AM and during open it becomes Input FM IF Input NC Meter drive circuit IF GND AFC AGC AFC AGC Detection output SA1691 (To be continued) REV:1.0 2005.09.07 Page ...

Page 4

... Pin no. Pin name RIPPLE OUT 28 GND TYPICAL APPLICATION CIRDUIT HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Description Power amplifier input Ripple filter V CC Power amplifier output Power GND SA1691 REV:1.0 2005.09.07 Page ...

Page 5

... PACKAGE OUTLINE SOP-28-375-1.27 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 1.27 17.75±0.25 16.51 SA1691 UNIT: mm 0.15±0.05 0.45 REV:1.0 2005.09.07 Page ...

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