參數(shù)資料
型號(hào)： LA3450
廠商： Sanyo Electric Co.,Ltd.
英文描述： PLL FM MPX Stereo Demodulator with Adjustment-Free VCO and Measure Against Adjacent Channel Interference(可自由調(diào)整VCO和帶防止附近通道干涉措施的PLL FM MPX立體聲解調(diào)器)
中文描述： 鎖相環(huán)調(diào)頻立體聲解調(diào)器與盈豐調(diào)整，免費(fèi)VCO和防止鄰頻道干擾（可自由調(diào)整的VCO和帶防止附近通道干涉措施的盈豐鎖相環(huán)調(diào)頻立體聲解調(diào)器測(cè)量）
文件頁(yè)數(shù)： 1/15頁(yè)
文件大小： 488K
代理商： LA3450
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Monolithic Linear IC
LA3450
PLL FM MPX Stereo Demodulator with Adjustment-Free VCO
and Measure Against Adjacent Channel Interference
Ordering number:ENN2393
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
21500TH (KT)/2187TA No.2393–1/15
Package Dimensions
unit:mm
3029A-DIP28S
[LA3450]
SANYO : DIP28S
Overview
The LA3450 is a multifunctional, high-performance FM
multiplex demodulator IC designed for high-grade FM ste-
reo tuner use. The LA3450 features adjustment-free VCO,
measure against adjacent channel interference, pilot can-
celer, low distortion (0.005%), and high S/N (101dB).
Applications
Home stereo, CD, AV-use PLL FM MPX stereo demodu-
lator IC with adjustment-free VCO.
Functions
PLL multiplex stereo demodulator.
Adjustment-free VCO.
Measure against adjacent channel interference.
Pilot canceler.
Cal-tone signal generator.
AM/FM input, AM/FM selector.
Post amplifier (gain variable type).
VCO stop.
Right/left independent adjustment of separation (single
adjustment available).
Features
Adjustmet-free VCO : Eliminates the need to adjust free-
running frequency.
Good temperature characteristics of VCO :
±
0.1% typ.
for
±
50
°
C change.
No antibirdie filter is required because a measure is taken
against adjacent channel interference.
Less carrier leak 19kHz : 53dB 38kHz : 50dB
The on-chip cal-tone signal generator facilitates applica-
tion of recording calibrator.
Low distortion
MONO 0.005% STEREO 0.015%
High S/N
101dB typ. MONO IHF-A BPF
High voltage gain
FM : 10dB (gain variable)
AM : 16dB (gain variable)
Wide dynamic range Output level 3.3V typ. (THD=1%,
MONO)
0.48
2.03
1.78
27.2
0
1
8
1
14
28
15
0.95
4
3
4
0
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