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參數(shù)資料
| 型號(hào)： | 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(jī) |
| 文件頁(yè)數(shù)： | 135/149頁(yè) |
| 文件大?。?/td> | 2775K |
| 代理商： | STV8227 |
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STV82x7
Electrical Characteristics
13.8
SCART and MONO IN to I2S Path Characteristics
Test Conditions: Sampling Frequency = 32KHz, Maximum MONO_IN voltage = 0.5 V
RMS
.
13.9
I2S to LS/HP/SUB/C Path Characteristics
Test Conditions: Sampling Frequency = 32KHz, L
LOAD
= 100
μ
H, C
LOAD
= 33nF, R
LOAD
= 30K
.
CLIP
SCART
Clipping
SCART
Clipping input level from
SCART input
At 1 kHz 1% THD
2.0
V
RMS
Clipping input level from
MONO_IN input
0.5
V
RMS
THD
SCART
THD SCART
THD from SCART input 1 V
RMS
, at 1 KHz
0.02
0.05
%
THD from MONO_IN
input
0.25 V
RMS
, at 1 KHz
0.02
0.05
%
SNR
SCART
Signal to Noise
Ratio
SCART input
1 V
RMS,
20 Hz to 20 kHz
Bandwidth, RMS unweighted
82
dB
MONO_IN input
0.25 V
RMS,
20 Hz to 20 kHz
Bandwidth, RMS unweighted
76
dB
BAND
SCART
Frequency
Flatness
SCART input
20 Hz to 20 kHz
-0.5
0.5
dB
MONO_IN input
20 Hz to 20 kHz
11.5
12
12.5
dB
XTALK
L/R
Left/Right Crosstalk
1 V
RMS
@ 1 kHz on ref signal, the
other one grounded
80
90
dB
XTALK
IN
Audio Crosstalk from Input Channel
n
to
Input Channel
m
1 V
RMS
@ 1 kHz on ref signal, all
other inputs grounded
80
90
dB
XTALK
OUT
Audio Crosstalk from Output Channel
n
to Output Channel
m
1 V
RMS
@ 1 kHz on reference
output, signal on a single input, all
other inputs grounded
80
90
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
THD
ADC
THD ADC
THD from
SCART input
V
IN
= 2 V
RMS
at 1 KHz
0.006
0.05
%
THD from
IN
= 0.5 V
RMS
at 1 KHz
0.006
0.05
%
SNR
ADC
Signal to Noise Ratio
20 to 15 kHz Bandwidth, RMS unweighted
V
IN
= 200 mV
RMS
SCART input
62
dB
BAND
ADC
Frequency Flatness
20 Hz to 15 kHz
±0.5
dB
XTALK
ADC
Left Right Crosstalk
at 1 KHz, V
IN
= 1 V
RMS
95
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
R
OUTDAC
Output Resistance for Main
Outputs
LS_L, LS_R, LS_SUB, LS_C, HP_LSS_R
and HP_LSS_L pins
90
140
VDC
OUTDAC
MAIN Output DC Level
1.54
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Units
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