TDA8745 Datasheet, PDF (5/40 Pages) NXP Semiconductors – Satellite sound receiver with I2C-bus control

Philips Semiconductors
Satellite sound receiver with I²C-bus control
Preliminary specification
TDA8745
PINNING
SYMBOL
C_{DC R}
SLF
BASEBAND IN
V_P1
IF OUT
SYNGND
IN-5
IN-6
IN-1
HFGND
IN-2
ADD_sel
IN-3
I²CGND
IN-4
V_P2
SCL
SDA
V_ref
V_P3
O_M
O_R
O_L
EXT_R
EXT_L
C_{ATT/REC R}
RECT_R
C_{NR D R}
C_{D R}
DEEM OUT R
C_{CL R}
AFGND
C_{CL L}
DEEM OUT L
C_{D L}
C_{NR D L}
RECT_L
C_{ATT/REC L}
PIN
SDIP42 QFP44
1
39
2
41
3
42
4
43
5
44
6
1
7
2
8
3
9
4
10
5
11
6
12
7
13
8
14
9
15
10
16
11
17
12
18
13
19
14
20
15
21
17
22
18
23
19
24
20
25
21
26
22
27
23
28
24
29
25
30
26
31
27
32
28
33
29
34
30
35
31
36
32
37
33
38
34
DESCRIPTION
DC decoupling capacitor (right channel)
synthesizer loop-filter
baseband input to mixer
synthesizer and mixer supply voltage (+5 V)
intercarrier output from mixer
synthesizer and mixer ground
intercarrier input 5/port expansion output 1
intercarrier input 6/port expansion output 2
Intercarrier input 1
HF ground
intercarrier input 2
I²C-bus address selection
Intercarrier input 3
I²C-bus ground
intercarrier input 4
I²C-bus supply voltage (+5 V)
I²C-bus serial clock input
I²C-bus serial data input/output
decoupling capacitor for reference voltage
general supply voltage (+12 V)
mono channel output [¹â„₂(l + r)]
right channel output
left channel output
external audio input (right channel)
external audio input (left channel)
attack/recovery capacitor (right channel)
rectifier DC decoupling (right channel)
noise reduction de-emphasis capacitor (right channel)
de-emphasis capacitor (right channel)
de-emphasis output (right channel)
audio pass-through input (right channel)
AF ground
audio pass-through input (left channel)
de-emphasis output (left channel)
de-emphasis capacitor (left channel)
noise reduction de-emphasis capacitor (left channel)
rectifier DC decoupling (left channel)
attack/recovery capacitor (left channel)
1996 Mar 11
5