tda9847t NXP Semiconductors, tda9847t Datasheet - Page 16

• Manufacturer Part Number: tda9847t
• Description: Tv And Vtr Stereo/dual Sound Processor With Digital Identification
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1995 May 23
TV and VTR stereo/dual sound processor
with digital identification
V
3-state
C1/C2/C3
V oAF
HIGH
LOW
HIGH
LOW
(dB)
V
(V)
(V)
C4
Fig.5 Waveforms showing the hold and set-up times of the C1 to C3 control line in the 3-state mode.
2
1
0
1
2
2.8
2.1
1.5
0.8
0.8
10
5
0
5
2
0
Fig.4
Tolerance scheme of AF frequency response; de-emphasis with C
R
internal
= 5 k ( 15%).
10
2
t h2
t h1
16
10
t su1
3
t su2
D1
10
t h2
, C
t h1
4
R: 15%;
C: 5%
R: 15%;
C: 5%
D2
= 10 nF ( 5%);
Preliminary specification
f oAF (Hz)
t su1
t su2
TDA9847
MED811
MED647
10
5
t (s)
t (s)