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参数资料
| 型号： | LA1787M |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封装： | 14 X 14 MM, QFP-64 |
| 文件页数： | 15/54页 |
| 文件大小： | 606K |
| 代理商： | LA1787M |
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Usage Notes
1. Notes on VCC and Ground
*: When applying the VCC voltage to pin 6, that voltage must not exceed the pin 40 and pin 61 VCC voltages.
(This condition must be checked carefully when first applying the pin 6 voltage.)
2. Notes on AM Coil Connection
The VCC used for the first oscillator coil connected to pin 7 must be at the same potential as pin 61.
Connect to the IFT connected with pin 45, and to the MIX coil connected with pin 54. VCC must be at the same potential
as pin 40.
3. AM/FM Switching
Pin 6 is also used as the FM front end and RF AGC VCC
No. 6655-22/54
LA1787M
Pin 40
VCC for the FM IF, AM, NC, MPX, and MRC blocks
Pin 25
Ground for the FM IF and AM blocks
Pin 14
Ground for the NC, MPX, and MRC blocks
Pin 61
VCC for the FM front end, AM first mixer, and first oscillator blocks
* Pin 6
VCC for the FM front end and AGC blocks, and the AM/FM switching pin
Pin 3
Ground for the FM front end, first mixer, and first oscillator blocks
Pin 6 voltage
Mode
8
FM
OPEN
AM
Fig. 1
LA1787M Overview
1. Notes on the LA1781M, LA1784M, and LA1787M
The LA1784M is a version of the LA1781M that uses an external oscillator circuit, and has the same characteristics as
the LA1781M.
The LA1787M is a version of the LA1784M that features improved characteristics.
LA1781M
LA1784M
LA1787M
This product is a version of the LA1781M
with the oscillator circuit removed. It
supports the use of an external oscillator
circuit.
It has the same characteristics as the
LA1781M.
The LA1787M features improved
characteristics over the LA1781M
and LA1784M.
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相关代理商/技术参数 |
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| LA1787M_09 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Single-Chip Tuner IC for Car Radios |
| LA1787M-MPB-E | 功能描述:调谐器 CAR RADIO TUNER RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| LA1787NM | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Single-Chip Car Radio System IC |
| LA1787NM_09 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Single-Chip Car Radio System IC |
| LA1787NM-MPB-E | 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays 制造商:ON Semiconductor 功能描述:FTRAY / ANALOG CAR RADIO TUNER |
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