tda9874aps NXP Semiconductors, tda9874aps Datasheet - Page 52

• Manufacturer Part Number: tda9874aps
• 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 NICAM 728 specification” ;
1 k measurement source resistance for AF inputs; V
level and gain settings according to note 1 with external components of Fig.9; unless otherwise specified.
2000 Aug 04
Digital supplies
V
V
I
V
V
V
I
Power failure register
V
Demodulator supplies and references
V
V
I
V
V
V
I
Audio supplies and references
V
V
I
V
V
DDD1
DDD3
DDA3
ref1(sink)
DDA1
DD
DDD1
SSD1
SSD2
DDD3
SSD3
pfr
DDA3
SSA3
DEC1
SSA2
ref1
DDA1
SSA1
SSA4
ref2
SYMBOL
Digital TV sound demodulator/decoder
= 5 V; T
amb
digital supply voltage 1
digital ground supply 1
digital supply current 1
digital ground supply 2
digital supply voltage 3
digital ground supply 3
digital supply current 3
power failure response voltage
analog supply voltage 3 for
demodulator part
analog ground supply 3 for
demodulator part
analog supply current 3 for
demodulator part
analog supply decoupling
voltage for front-end
analog ground supply 2
analog reference voltage for
demodulator part
sink current at pin V
analog supply voltage 1 for
operational amplifiers
analog ground supply 1 for
operational amplifiers
analog supply current 1 for
operational amplifiers
analog ground supply 4 for
audio DAC part
reference voltage 2 for audio
DACs and operational amplifiers
= 25 C; settings in accordance with B/G standard; FM deviation 50 kHz; f
PARAMETER
ref1
V
V
V
V
V
V
V
V
referenced to V
V
DDD1
DDD1
DDD3
DDD3
DDA3
DDA3
DDA1
DDA1
SSA1
SIF
= 5.5 V
= 5.0 V
= 5.5 V
= 5.0 V
= 5.5 V
= 5.0 V
= 5.5 V; SYSCLK off
= 5.0 V; SYSCLK off
CONDITIONS
= 300 mV (p-p); bit AGCOFF = 0; bit AGCSLOW = 1;
52
DDA1
and
4.5
40
42
4.5
9
8
4.5
24
24
4.5
3
3
MIN.
5.0
0.0
59
59
0.0
5.0
0.0
17
16
4.0
5.0
0.0
32
32
3.3
0.0
2
200
5.0
0.0
6
5
0.0
50
mod
TYP.
= 1 kHz; FM sound
Product specification
TDA9874A
5.5
74
75
5.5
21
20
5.5
40
40
5.5
10
10
MAX.
V
V
mA
mA
V
V
V
mA
mA
V
V
V
mA
mA
V
V
V
V
V
mA
mA
V
%
UNIT
A