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參數(shù)資料
| 型號(hào)： | TDA8740H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | Satellite sound circuit with noise reduction |
| 中文描述： | FM, AUDIO DEMODULATOR, PQFP44 |
| 封裝： | 10 X 10 X 1.75 MM, PLASTIC, QFP-44 |
| 文件頁(yè)數(shù)： | 4/24頁(yè) |
| 文件大小： | 325K |
| 代理商： | TDA8740H |
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October 1994
4
Philips Semiconductors
Product specification
Satellite sound circuit with noise reduction
TDA8740; TDA8740H
PINNING
SYMBOL
PIN
SDIP42
PIN
QFP44
DESCRIPTION
n.c.
IN-1A
I
sel 1
IN-1B
I
sel 2
IN-1C
MCS
IN-1D
HFGND
IN-2A
SCD
IN-2B
MUTE
IN-2C
O
sel L
IN-2D
O
sel R
IN-3
V
REF
C
D M
C
C M
V
P
O
M
O
R
O
L
EXT/INT
EXT
R
EXT
L
C
ATT/REC R
RECT
R
C
NR D R
C
D R
C
C R
AFGND
C
C L
C
D L
C
NR D L
RECT
L
C
ATT/REC L
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42
43
1
2
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not connected
intercarrier input A for Channel 1 (left)
input select switch bit 1
intercarrier input B for Channel 1 (left)
input select switch bit 2
intercarrier input C for Channel 1 (left)
main channel PLL lock-in range select/disable
intercarrier input D for Channel 1 (left)
ground for HF section
intercarrier input A for Channel 2 (right)
secondary channels PLLs disable
intercarrier input B for Channel 2 (right)
mute switch
intercarrier input C for Channel 2 (right)
output select switch bit 1 (left)
intercarrier input D for Channel 2 (right)
output select switch bit 2 (right)
intercarrier input for main channel
decoupling capacitor for reference voltage
de-emphasis capacitor for main channel
audio pass-through capacitor input for main channel
positive supply voltage
main channel output
right channel output
left channel output
output switch bit 3 (external/internal)
external audio input (right)
external audio input (left)
attack/recovery capacitor (right)
rectifier DC decoupling (right)
noise reduction de-emphasis capacitor (right)
fixed de-emphasis capacitor (right)
audio pass-through capacitor input for right channel
ground for AF section
audio pass-through capacitor input for left channel
fixed de-emphasis capacitor (left)
noise reduction de-emphasis capacitor (left)
rectifier DC decoupling (left)
attack/recovery capacitor (left)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8740NB | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:TV/Video Sound Circuit |
| TDA8741 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| TDA8741H | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| TDA8741HB-S | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:TV/Video Sound Circuit |
| TDA8741NB | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:TV/Video Sound Circuit |
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