STV8247 Datasheet, PDF (136/149 Pages) STMicroelectronics – Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

Electrical Characteristics
STV82x7
Symbol
Parameter
THD_DAC Total Harmonic Distortion
SNR_DAC Signal to Noise Ratio
V_OUTAMPDAC MAIN Output Amplitude
XTALK_DAC Left Right Crosstalk
Test Conditions
Min. Typ. Max. Units
90% Full-scale Range at 1 kHz
20 to 15 kHz Bandwidth, RMS unweighted,
at -20dB full range
75
100% Full-scale Range at 1 kHz
at 1 KHz, -20dBFS
87
0.06 %
dB
900
mV_RMS
dB
13.10 I²S to SCART Path Characteristics
Test Conditions: Sampling Frequency = 32KHz, C_LOAD = 33nF on DAC SCART pins, DAC SCART
prescale at -5.5dB.
Symbol
Parameter
THD_DACSCART Total Harmonic Distortion
SNR_DACSCART Signal to Noise Ratio
V_ODACSCART MAIN Output Amplitude
XTALK_DACSCART Left Right Crosstalk
Test Conditions
90% Full-scale Range at 1 kHz
20 Hz to 15 kHz Bandwidth unweighted,
-20dB Full Range
100% Full-scale Range at 1 kHz
at 1 KHz, -20 dBFS
Min. Typ. Max. Units
0.08 0.12 %
73
dB
2
80
V_RMS
dB
13.11 MUTE Characteristics
Symbol
Parameter
MUTE_DAC
DAC Mute analog
MUTE_SCART SCART Mute
Test Conditions
I2S to DAC at 1 kHz
2 V_RMS @ 1 kHz on ref signal, all other
inputs grounded
Min. Typ. Max. Units
90
dB
81
dB
13.12 Digital I/Os Characteristics
Symbol
Parameter
V
IL
Low Level Input Voltage
V
IH
High Level Input Voltage
I_IN
Input Current
VIL_{CLK_SEL}
CLK_SEL Low Level Input
Voltage
VIH_{CLK_SEL}
CLK_SEL High Level Input
Voltage
V
OL
Low Level Output Voltage
V
OH
High Level Output Voltage
Test Conditions
except SDA, SCL and CLK_SEL, 3.3V
power supply
except SDA, SCL and CLK_SEL, 3.3V
power supply
1.8V power supply
1.8V power supply
S/PDIF_OUT, IRQ, BUS_EXP
S/PDIF_OUT, IRQ, BUS_EXP
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Min. Typ. Max. Units
0.5
V
2.0
V
1
µA
0.3
V
1.2
V
0.3
V
3.0
V