參數(shù)資料
型號(hào): TDA8741H-T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: FM, AUDIO DEMODULATOR, PQFP44
文件頁數(shù): 19/24頁
文件大?。?/td> 317K
代理商: TDA8741H-T
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)
相關(guān)PDF資料
PDF描述
TDA8742 FM, AUDIO DEMODULATOR, PDIP42
TDA8742H-T FM, AUDIO DEMODULATOR, PQFP44
TDA8745N SPECIALTY CONSUMER CIRCUIT, PDIP42
TDA8752H/8-T 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
TDA8752H/6-T 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
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