ta2149bfn TOSHIBA Semiconductor CORPORATION, ta2149bfn Datasheet - Page 2

• Manufacturer Part Number: ta2149bfn
• Description: 3 V Am/fm 1 Chip Tuner Ic For Digital Tuning System
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Block Diagram
FM
ANTENNA
24
1
RF
GND
FM
RFout
BFP
FMRF
23
2
FM
RFin
RF
V
CC
MIX
AM
22
3
AM
RFin
AM
LOW
CUT
OSC
MIX
FM
FM
21
4
MIX
OUT
FM
OSC
V
T
BUFF
BUFF
OSC
AM
20
5
V
AM
OSC
OSC BUFF OUT
CC
1/1 or
1/16
LEVEL
DET
AMIF
19
6
PSC SW
AM IF
IN
OSC
OUT
2
ST
OPEN: 1/1
V
FMIF
CC
1/8
18
7
: 1/16
BUFF
FM IF
IN
ST
LED
IF OUT
IF
SW
REQ
17
IF
DET
8
AM
GND
IF
REQ
IF REQ
BUFF
AGC
AF
16
9
DET
FM
AGC
DET
OUT
AF
15
10
QUAD
MPX
IN
SM/MO
FM/AM
TA2149BN/BFN
DIVIDE
H: MONO
L: ST
VCO
R-OUT
14
11
R-OUT
LPF1
MUTE
DECODE
2001-12-21
L-OUT
13
12
L-OUT
H: AM
L: FM
LPF2
V
CC