參數(shù)資料
型號(hào)： LA1780M
元件分類(lèi)： 調(diào)諧器
英文描述： 2-BAND, AUDIO TUNER, PQFP64
封裝： QFP-64
文件頁(yè)數(shù)： 1/38頁(yè)
文件大小： 764K
代理商： LA1780M
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.
Overview
The LA1780M integrates all six blocks required in a car
radio tuner on a single chip. The LA1780M is based on
the LA1888NM, and features improvements to each of the
blocks; improvements designed to provide improved noise
characteristics, especially for noise related to multipath,
three-signal intermodulation distortion, and two-signal
suppression.
Functions
FM front end
FM IF
Noise canceller
Multiplex
AM up-conversion
FM/AM switch
MRC
Features
Improved noise reduction methods
— The FM front end provides excellent 3-signal
characteristics equivalent to those of the LA1193M.
— Superlative listenability due to improved medium and
weak field noise canceller characteristics.
— Improved separation characteristics
— Anti-birdie filter
— Improved AM and FM thermal characteristics
— Excellent FM signal meter linearity
— Modified N.C. circuit for improved noise rejection
Double conversion AM tuner (up conversion)
Reduces the number of external components required as
compared to earlier double conversion tuners, in
particular, no crystal is required (when used in
conjunction with the LC72144).
Sample-to-sample variation reduction circuit built into
the FM IF circuit.
(Fixed resistors are used for the SD, keyed AGC, mute
on adjustment, ATT, SNC, and HCC functions.)
Since the LA1780M retains the block structure of the
LA1888NM, products using that IC can be easily
converted, allowing further end product miniaturization.
Package Dimensions
Unit:mm
3159-QFP64E
Monolithic Linear IC
Ordering number : ENN5724A
33100TN (OT)/92498RM (OT) No. 5724-1/38
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Single-Chip Tuner IC for Car Radios
LA1780M
14.0
17.2
1.0
1.6
0.15
0.35
0.1
15.6
0.8
3.0max
1
16
17
32
33
48
49
64
2.7
14.0
17.2
1.0
1.6
0.8
Allowable
power
dissipation,
Pdmax
—
mW
Ambient temperature, Ta — °C
Mounted on a 40
× 80 × 1.3 mm3
glass epoxy printed circuit board
Independent IC
SANYO: QFP64E (QIP64E)
[LA1780M]
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA1780MA-A-MPB-E 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays 制造商:Rochester Electronics LLC 功能描述: 制造商:ON Semiconductor 功能描述:FTRAY - ANALOG CAR RADIO TUNER
LA1781M 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:For Car Radios Single-Chip Tuner IC
LA1781M_09 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:For Car Radios Single-Chip Tuner IC
LA1781MA-MPB-E 功能描述:調(diào)諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
LA1781MD-A-MPB-E 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays
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