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PDF LA1886M Data sheet ( Hoja de datos )
| Número de pieza | LA1886M | |
| Descripción | AM / FM Tuner | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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| Ordering number: EN3577
iSA\YO r No. 3577
Monolithic Linear 10
LA1886M
AM/FM Tuner
OVERVIEW
The LA1886M is an AM/FM tuner designed for use in
automotive and consumer stereo equipment. It incorpo-
rates all the major functional blocks of a complete,
electronically-tuned AM/FM tuner into a single chip
with performance comparable to, or better than, existing
tuner ICs.
Each functional block in the LA1886M is an equivalent
of another existing Sanyo IC. These comprise the
LAI 175 FM front-end, LAI 145 FM IF stage, LA2110
noise canceler, LA3430 MPX stage and LAI137 AM
tuner. Additional components control the AM and FM
mode selection.
The LA1886M operates from a single-ended 7.5 to 9 V
supply and is available in 64-pin QIPs.
FEATURES
Complete AM/FM tuner integrated into a single
chip
FM front-end and FM IF stage isolation
Low total harmonic distortion
Excellent signal-to-noise ratio
Second-harmonic beat noise prevention
31 dB channcl separation in FM stereo mode
42 dB AM rejection in FM mode
External component count reduced by up to 30%
Single-ended 7.5 V to 9 V supply voltage
64-pin QIP
PINOUT
IF OL/T
AM/FM S-MET OUT
RFAOC BYPASS
IF AMP IN
AM/FM SW
MX OUT
MIX IN
RFAOC
ANTO/A3C
MIX IN
FEVOC
M X OUT
M X OUT
RFAOC
AGO IN
ANTD
PACKAGE DIMENSIONS
Unit: mm
QIP64E-3159
AM/FM CKJT
FU SMET OUR
KEYED AOC
SMC
WCCAXC
SNOCOUT
PHASE OOMP
PHASE COMP
OSC
PILOT OET
PILOT DET
PCAN OET
PCANOUT
PCAN IN
MPX OUT
SANYO Electric Co.,Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10,1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
3271TS (US) No. 3577-1/32
i
1 page  
AM Tuner
Number
Name
57 ANTD/AGC
5 6 RF AGC
51 RF AGC BYPASS
5 5 MIX IN
54 MIX OUT
53 AM/FM SW
52 IF A M P IN
LA1886M
Equivalent circuit
— 100 0 50
hn
®Vbc
Antenna
damplno
driver
1
©4r
vz-5.e v
10W1
<I — ®
®Vcc @
Description
Antenna damping driver and
wideband automatic-gain-control
input
RF automatic-gain-control drive
output
RF automatic-gain-control bypass
output
Mixer input
Mixer output
T 3Vo
ioon
TtT [ 5 2 1 TtT
AM/FM switch
IF amplifier input. RIN = 2 KN
No. 3577—5/32
5 Page 
Number
Name
19 PCAN OUT
LA1886M
Equivalent circuit
Description
Pilot canceler output
20 PCAN DET
Pilot canceler detector
18 PCAN IN
16,17
MPX OUT
14 LOW CUT
15 HIGH CUT
Vcc
5
10 kn
2 $i
Vcc
i3.3 kO
1 3.3 kfl
Multiplier
Vsc
Composite
signal —
20 Kfl
1•0w/vK-TV
10 kn
ST (u)
X®
Pilot canceler signal input
Multiplex filter outputs. On-chip
load resistance. Ro = 3.3 kft
Low-frequency cutoff capacitor
connection
High-frequency cutoff capacitor
connection
No. 3577—11/32
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LA1886M.PDF ] | |
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