參數(shù)資料
型號: STV8227
廠商: 意法半導(dǎo)體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機
文件頁數(shù): 136/149頁
文件大?。?/td> 2775K
代理商: STV8227
Electrical Characteristics
STV82x7
136/149
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
.
13.11 MUTE Characteristics
13.12 Digital I/Os Characteristics
THD
DAC
Total Harmonic Distortion
90% Full-scale Range at 1 kHz
0.06
%
SNR
DAC
Signal to Noise Ratio
20 to 15 kHz Bandwidth, RMS unweighted,
at -20dB full range
75
dB
V
OUTAMPDAC
MAIN Output Amplitude
100% Full-scale Range at 1 kHz
900
mV
RMS
XTALK
DAC
Left Right Crosstalk
at 1 KHz, -20dBFS
87
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
THD
DACSCART
Total Harmonic Distortion
90% Full-scale Range at 1 kHz
0.08
0.12
%
SNR
DACSCART
Signal to Noise Ratio
20 Hz to 15 kHz Bandwidth unweighted,
-20dB Full Range
73
dB
V
ODACSCART
MAIN Output Amplitude
100% Full-scale Range at 1 kHz
2
V
RMS
XTALK
DACSCART
Left Right Crosstalk
at 1 KHz, -20 dBFS
80
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
MUTE
DAC
DAC Mute analog
I2S to DAC at 1 kHz
90
dB
MUTE
SCART
SCART Mute
2 V
RMS
@ 1 kHz on ref signal, all other
inputs grounded
81
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
V
IL
Low Level Input Voltage
except SDA, SCL and CLK_SEL, 3.3V
power supply
0.5
V
V
IH
High Level Input Voltage
except SDA, SCL and CLK_SEL, 3.3V
power supply
2.0
V
I
IN
Input Current
1
μ
A
VIL
CLK_SEL
CLK_SEL
Low Level Input
Voltage
1.8V power supply
0.3
V
VIH
CLK_SEL
CLK_SEL
High Level Input
Voltage
1.8V power supply
1.2
V
V
OL
Low Level Output Voltage
S/PDIF_OUT, IRQ, BUS_EXP
0.3
V
V
OH
High Level Output Voltage
S/PDIF_OUT, IRQ, BUS_EXP
3.0
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
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