tda9870ah NXP Semiconductors, tda9870ah Datasheet - Page 22

• Manufacturer Part Number: tda9870ah
• Description: Digital Tv Sound Processor Dtvsp
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9
V
V
parameters in accordance with system A2; 1 k measurement source resistance for AF inputs; with external
components of Fig.10; unless otherwise specified.
1999 Dec 20
Supplies
V
V
I
V
V
I
V
V
V
I
V
V
V
V
Demodulator supply decoupling and references
V
V
I
Audio supply decoupling and references
V
V
Z
Z
V
Z
Z
DDD1
DDD2
DDA
ref1(sink)
SIF(p-p)
DD
Vref2-VDEC2
Vref2-VSSA2
Vref3-VDDA
Vref3-VSSA3
DDD1
SSD1
DDD2
SSD2
SSD3
SSD4
DDA
SSA1
SSA2
SSA3
SSA4
DEC1
ref1
DEC2
ref2
ref3
Digital TV Sound Processor (DTVSP)
SYMBOL
CHARACTERISTICS
= 5 V; T
= 300 mV; AGCOFF = 0; AGCSLOW = 0; AGCLEV = 0; level and gain settings in accordance with note 1;
amb
digital supply voltage 1
digital supply ground 1
digital supply current 1
digital supply voltage 2
digital supply ground 2
digital supply current 2
digital supply ground 3
digital supply ground 4
analog supply voltage
analog supply current for
DAC part
analog ground for analog
front-end
analog ground for audio ADC
part
analog ground for audio DAC
part
analog ground for SCART
analog supply decoupling
voltage for demodulator part
analog reference voltage for
demodulator part
sink current at pin V
analog supply decoupling
voltage for audio ADC part
reference voltage ratio for
audio ADCs
impedance pins V
impedance pins V
reference voltage ratio for
audio DAC and operational
amplifier
impedance pins V
impedance pins V
= 25 C; settings in accordance with B/G standard; FM deviation 50 kHz; f
PARAMETER
ref2
ref2
ref3
ref3
ref1
to V
to V
to V
to V
DEC2
SSA2
DDA
SSA3
note 2
V
note 2
V
output disabled
note 2
note 2
V
note 2
note 2
note 2
referenced to V
V
referenced to V
V
DDD1
DDD2
DDA
SSA2
SSA3
= 5.0 V; digital silence
= 5.0 V
= 5.0 V; system clock
CONDITIONS
22
DEC2
DDA
and
and
4.75
53
4.75
0.1
4.75
44
3.0
3.0
MIN.
5.0
0.0
68
5.0
0.0
0.4
0.0
0.0
5.0
56
0.0
0.0
0.0
0.0
3.3
2
200
3.3
50
20
20
50
20
20
TYP.
mod
= 1 kHz; FM sound
Product specification
TDA9870A
5.5
83
5.5
2
5.5
68
3.6
3.6
MAX.
V
V
mA
V
V
mA
V
V
V
mA
V
V
V
V
V
V
V
%
k
k
%
k
k
UNIT
A