tda9874h NXP Semiconductors, tda9874h Datasheet - Page 42

• Manufacturer Part Number: tda9874h
• Description: Digital Tv Sound Demodulator/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
11 CHARACTERISTICS
V
parameters in accordance with system A2; NICAM in accordance with “EBU specification” ; 1 k measurement source
resistance for AF inputs; V
note 2 with external components of Fig.7; unless otherwise specified.
2000 Jun 26
Supplies
V
V
I
V
V
I
V
V
I
Demodulator supplies and references
V
V
I
V
V
I
V
I
Audio supplies and references
V
V
I
V
DDD1
DDD2
DDD3
DDA2
DDD4
ref1(sink)
DDA1
DD
DDD1
SSD1
DDD2
SSD2
DDD3
SSD3
DDA2
SSA2
DDD4
SSD4
ref1
DDA1
SSA1
DDA3
SYMBOL
Digital TV sound demodulator/decoder
= 5 V; T
amb
digital supply voltage 1
digital ground supply 1
digital supply current 1
digital supply voltage 2
digital ground supply 2
digital supply current 2
digital supply voltage 3
digital ground supply 3
digital supply current 3
analog supply voltage 2 for
demodulator part
analog ground supply 2 for
demodulator part
analog supply current 2 for
demodulator part
digital supply voltage 4
digital ground supply 4
digital supply current 4
analog reference voltage 1 for
demodulator part
sink current at pin V
analog supply voltage 1 for
audio DAC part
analog ground supply 1 for
audio DAC part
analog supply current 1 for
audio DAC part
analog supply voltage 3 for
operational amplifiers
= 25 C; settings in accordance with B/G standard; FM deviation 50 kHz; f
PARAMETER
SIF
= 300 mV (p-p); bit AGCOFF = 0; bit AGCSLOW = 1; level and gain settings according to
ref1
V
V
V
V
V
V
V
V
V
V
referenced to V
V
V
DDD1
DDD1
DDD2
DDD2
DDD3
DDD3
DDA
DDA
DDD2
DDD2
DDA
DDA
= 5.5 V
= 5.0 V
= 5.5 V; digital silence
= 5.0 V; digital silence
= 5.5 V
= 5.0 V
= 5.5 V
= 5.0 V
= 5.5 V; SYSCLK off
= 5.0 V; SYSCLK off
= 5.5 V
= 5.0 V
CONDITIONS
42
DDA2
and V
SSA2
4.5
8
7
4.5
25
22
4.5
7
6
4.5
20
17
4.5
40
34
35
170
4.5
1.2
1.1
4.5
MIN.
mod
5.0
0.0
12
10
5.0
0.0
32
28
5.0
0.0
12
11
5.0
0.0
24
21.5
5.0
0.0
50
44
50
220
5.0
0.0
2.1
1.9
5.0
TYP.
= 1 kHz; FM sound
Product specification
TDA9874H
5.5
16
14
5.5
37
33
5.5
16
15
5.5
28
25
5.5
60
54
65
260
5.5
3.1
2.8
5.5
MAX.
V
V
mA
mA
V
V
mA
mA
V
V
mA
mA
V
V
mA
mA
V
V
mA
mA
%
V
V
mA
mA
V
UNIT
A