tda8740h NXP Semiconductors, tda8740h Datasheet - Page 4

• Manufacturer Part Number: tda8740h
• Description: Satellite Sound Circuit With Noise Reduction
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
October 1994
n.c.
IN-1A
I
IN-1B
I
IN-1C
MCS
IN-1D
HFGND
IN-2A
SCD
IN-2B
MUTE
IN-2C
O
IN-2D
O
IN-3
V
C
C
V
O
O
O
EXT/INT
EXT
EXT
C
RECT
C
C
C
AFGND
C
C
C
RECT
C
sel 1
sel 2
REF
P
Satellite sound circuit with noise reduction
D M
C M
ATT/REC R
NR D R
D R
C R
C L
D L
NR D L
ATT/REC L
sel L
sel R
M
R
L
SYMBOL
R
L
R
L
SDIP42
PIN
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
1
2
3
4
5
6
7
8
9
QFP44
PIN
39
40
41
42
43
10
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
11
1
2
3
4
5
6
7
8
9
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)
4
DESCRIPTION
TDA8740; TDA8740H
Product specification