TDA8741 Datasheet, PDF (4/24 Pages) NXP Semiconductors – Satellite sound circuit with noise reduction

Philips Semiconductors
Satellite sound circuit with noise reduction
Product specification
TDA8741; TDA8741H
PINNING
SYMBOL
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
MCS
IN-1
HFGND
n.c.
SCD
n.c.
MUTE
n.c.
O_{sel L}
IN-2
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}
October 1994
PIN
SDIP42
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
PIN
QFP44
1
5
7
9
12
39
2
3
4
40
6
41
8
42
10
11
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
DESCRIPTION
not connected
not connected
not connected
not connected
not connected
not connected
main channel PLL lock-in range select/disable
intercarrier input for secondary Channel 1 (left)
ground for HF section
not connected
secondary channels PLLs disable
not connected
mute switch
not connected
output select switch bit 1 (left)
intercarrier input for secondary 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)
4