sa2104 Silan, sa2104 Datasheet

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sa2104

Manufacturer Part Number
sa2104
Description
3v Am/fm +mpx Tuner Ic For Digital Tuning System
Manufacturer
Silan
Datasheet
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
3V AM/FM +MPX TUNER IC (FOR DIGITAL TUNING SYSTEM)
DESCRIPTION
FM/AM and MPX circuits, which are designed for portable radios and 3V
headphone radios.
applications. FM local oscillation voltage is set up low relativity, for NEW
FCC.
FEATURES
The SA2104C/SA2104CS are single-chip tuner ICs that incorporate
The SA2104C/SA2104CS are suitable for digital tuning system
* Operating supply voltage range: V
* For NEW FCC
* FM/AM and MPX integrated in a single-chip.
* Build in FM/AM IF count buffer.
* Build in mute circuit for IF count output according to field strength.
* Build in FM MPX VCO circuit
* Build in FM/AM OSC buffer output for DTS applications.
* Build in AM low cut circuit
* Build in stereo indicator.
* Low supply current. (V
I
I
CCq
CCq
FM: 1.3375MHz (1/8 dividing)
AM: 450kHz
(FM)=11.0mA (Typ.)
(AM)=7.5mA (Typ.)
20
22
2
1
RFIN
OSC
RFIN
GND
AM
AM
FM
RF
RFOUT
FM
RF
CC
OSC
FM
MIX
AM
AM
=3V, T
OUT
24
MIX
OSC
FM
4
OSC
MIX
21
FM
FM
amb
AGC
CC
=25 C)
AGC
=1.8~10V (T
AM
9
BUF
BUF
IFIN
AM
OSC
OUT
Level
AM IF
det
19
6
amb
IFIN
FM
18
ST
ST LED
=25 C)
FM IF
7
BUFF
QUAD
IF
SW
17
1/8
DET
IF REQ
FM
10
REQ
OUT
IF
DET
DET
AM
16
ORDERING INFORMATION
SA2104C
SA2104CS
15
AF
Decoder
Part No.
Stereo
SA2104C/SA2104CS
MPX IN
3
FM/AM
ST/MO
SDIP-24-300-1.778
MUTE
AM LOW
SSOP-24-300-0.65
CUT
23
LPF1
LPF2
V
GND
RF
V
Rev: 1.1
ROUT
LOUT
CC
CC
SDIP-24-300-1.778
SSOP-24-300-0.65
14
13
11
12
5
8
Package
Page 1 of 13
2005.10.26

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sa2104 Summary of contents

Page 1

... AM/FM +MPX TUNER IC (FOR DIGITAL TUNING SYSTEM) DESCRIPTION The SA2104C/SA2104CS are single-chip tuner ICs that incorporate FM/AM and MPX circuits, which are designed for portable radios and 3V headphone radios. The SA2104C/SA2104CS are suitable for digital tuning system applications. FM local oscillation voltage is set up low relativity, for NEW FCC ...

Page 2

... Indicator Voltage SA2104C Power Dissipation SA2104CS Operating Temperature Storage Temperature Note: Derated above Tamb= the proportion of 9.6mW/ C for SA2104C of 4mW/ C for SA2104CS. OPERATING CHARACTERISTICS fm=1 kHz , f=10.7 MHz 22.5 kHz, fm= 1 kHz . AM : f=1 MHz, MOD=30%, fm=1 kHz. MPX: fm=1kHz) Parameter Quiescent Current Input Limiting Voltage ...

Page 3

... SW3: LPF =200mV in rms C.B. V =200mV in rms V (ON) L Pilot input(19KHZ) V (OFF LED turn off from LED turn VH on C.R. P=15mV rms S/N V =200mV in rms MUTE V =200mV in rms Co Qo (pF) 1 470 60 -- SA2104C/SA2104CS Min. Typ. Max 700 -- -- 0.3 -- rms -- 0.3 -- -2.7 -1.2 0.2 -1 ...

Page 4

... AM low frequency cut down 3 AM LOW CUT pin 4 MIX OUT AM/FM mixer output pin. VCC for AM VCC MPX stage 6 AMIF IN AMIF input pin. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Pin description Internal circuit SA2104C/SA2104CS Pin voltage (Typ.) ( 0.8 1.0 -- 3.0 0.5 -- 3.0 3.0 2.3 2 ...

Page 5

... Bias terminal for AM/FM 13 LPF2 SW circuit V13=GND AM V13=OPEN FM LPF synchronous detector 14 LPF1 VCO V14=GND VCO STOP HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Pin description Internal circuit channel output terminal for stop terminal SA2104C/SA2104CS Pin voltage (Typ.) ( 3.0 3 2.5 2.2 1.2 1.2 0 2.2 0.7 2.4 (To be continued) Rev: 1.1 2005 ...

Page 6

... Stereo indicator. 19 OSC OUT AM/FM oscillator output pin OSC AM oscillator input pin OSC FM oscillator input pin input pin. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Pin description Internal circuit 15 SA2104C/SA2104CS Pin voltage (Typ.) (V) AM 55k 0.7 1 2.8 3.0 3.0 3.0 (To be continued) Rev: 1.1 2005 ...

Page 7

... Recommended circuit and recommended coil are as follows. (Test frequency is 10.7M) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Pin description Internal circuit for FM OSC stage) 1 (Hz SA2104C/SA2104CS Pin voltage (Typ.) ( 3.0 3.0 3.0 3.0 (Typ.) and the external capacitor C3 as Rev: 1.1 2005.10.26 Page ...

Page 8

... FM/AM switch and forced monaural switch. mode AM LOW (Vth=0.2V(Typ.), Ith 30 A(Typ.)) FM OPEN STEREO / FORCED MONAURAL / TEST CIRCUIT HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SA2104C/SA2104CS Vpin13 / / OPEN LOW(Vth=0.2V(Typ.), Ith 30 A(Typ.)) Vpin14 Rev: 1.1 2005.10.26 Page ...

Page 9

... ELECTRICAL CHARACTERISTICS CURVES HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SA2104C/SA2104CS Rev: 1.1 2005.10.26 Page ...

Page 10

... ELECTRICAL CHARACTERISTICS CURVES HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SA2104C/SA2104CS (Continued) Rev: 1.1 2005.10.26 Page ...

Page 11

... ELECTRICAL CHARACTERISTICS CURVES HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SA2104C/SA2104CS (Continued) Rev: 1.1 2005.10.26 Page ...

Page 12

... PACKAGE OUTLINE SDIP-24-300-1.778 SSOP-24-300-0.65 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SA2104C/SA2104CS UNIT: mm UNIT: mm Rev: 1.1 2005.10.26 Page ...

Page 13

... ATTACH Revision History Data REV 2005.09.20 1.0 2005.10.26 1.1 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn Description Original Rename SA2104C/SA2104CS Page Rev: 1.1 2005.10.26 Page ...

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