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參數(shù)資料
| 型號(hào)： | TDA8741H-T |
| 廠(chǎng)商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PQFP44 |
| 文件頁(yè)數(shù)： | 19/24頁(yè) |
| 文件大小： | 317K |
| 代理商： | TDA8741H-T |
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October 1994
4
Philips Semiconductors
Product specication
Satellite sound circuit with noise reduction
TDA8741; TDA8741H
PINNING
SYMBOL
PIN
SDIP42
PIN
QFP44
DESCRIPTION
n.c.
1
not connected
n.c.
2
5
not connected
n.c.
3
7
not connected
n.c.
4
9
not connected
n.c.
5
12
not connected
n.c.
6
39
not connected
MCS
7
2
main channel PLL lock-in range select/disable
IN-1
8
3
intercarrier input for secondary Channel 1 (left)
HFGND
9
4
ground for HF section
n.c.
10
40
not connected
SCD
11
6
secondary channels PLLs disable
n.c.
12
41
not connected
MUTE
13
8
mute switch
n.c.
14
42
not connected
Osel L
15
10
output select switch bit 1 (left)
IN-2
16
11
intercarrier input for secondary Channel 2 (right)
Osel R
17
13
output select switch bit 2 (right)
IN-3
18
14
intercarrier input for main channel
VREF
19
15
decoupling capacitor for reference voltage
CD M
20
16
de-emphasis capacitor for main channel
CC M
21
17
audio pass-through capacitor input for main channel
VP
22
18
positive supply voltage
OM
23
19
main channel output
OR
24
20
right channel output
OL
25
21
left channel output
EXT/INT
26
22
output switch bit 3 (external/internal)
EXTR
27
23
external audio input (right)
EXTL
28
24
external audio input (left)
CATT/REC R
29
25
attack/recovery capacitor (right)
RECTR
30
26
rectier DC decoupling (right)
CNR D R
31
27
noise reduction de-emphasis capacitor (right)
CD R
32
28
xed de-emphasis capacitor (right)
CC R
33
29
audio pass-through capacitor input for right channel
AFGND
34
30
ground for AF section
CC L
35
31
audio pass-through capacitor input for left channel
CD L
36
32
xed de-emphasis capacitor (left)
CNR D L
37
33
noise reduction de-emphasis capacitor (left)
RECTL
38
34
rectier DC decoupling (left)
CATT/REC L
39
35
attack/recovery capacitor (left)
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相關(guān)代理商/技術(shù)參數(shù) |
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| TDA8741NB | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:TV/Video Sound Circuit |
| TDA8742 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| TDA8742H | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| TDA8745 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Satellite sound receiver with I2C-bus control |
| TDA8745H | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Satellite sound receiver with I2C-bus control |
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