TDA9847 Philips Semiconductors, TDA9847 Datasheet - Page 20

• Manufacturer Part Number: TDA9847
• Description: TV and VTR stereo/dual sound processor with digital identification
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1995 May 23
TV and VTR stereo/dual sound processor
with digital identification
All resistors: 2%.
Fig.10 Application circuit for the stereo decoder TDA9847 in conjunction with a microcontroller
[LOW/HIGH output ports with internal pull-ups or push-pull stages (C1 to C3) and
LOW/high-ohmic/HIGH output Port (C4)].
MICROCONTROLLER
100 F
10 k
Fig.9 Test circuit for measurement of ripple rejection.
70 Hz
V P = 5 V 10%
5 V modulated
with 200 mV (p-p)
V P
20
22
R C4A
11 k
8
20
R C4B
6.2 k
100 F/16V
C1
C2
C3
TDA9847
C4
9
10
11
MED809
3
1
2
24
12
V P = 4.5 to 8.8 V
100 F
DECODER
TDA9847
16
15
14
13
STEREO
22
20
MED808
HP3585
Preliminary specification
TDA9847