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參數(shù)資料
| 型號(hào)： | LA1780M |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 2-BAND, AUDIO TUNER, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁(yè)數(shù)： | 16/38頁(yè) |
| 文件大?。?/td> | 764K |
| 代理商： | LA1780M |
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Notes on the muting attenuation
The resistor between pin 58 and ground switches the muting attenuation to one of three levels, –20, –30, and –40 dB.
This is also related to the tuner’s total gain.
No. 5724-23/38
LA1780M
R
Mute ATT
OPEN
–20 dB
200k
–30 dB
30k
–40 dB
If R33 is reduced, the attenuation will be
reduced as listed in the table above.
Muting time constants
Attack: 10 k
× C33
Release: 50 k
× C33
Quadrature detector
Limiter
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA1781M | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| LA1784M | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| LA1787NM | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| LA1787NM | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| LA1800 | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP22 |
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: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: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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