參數(shù)資料
型號(hào): UPD9611GT
廠(chǎng)商: NEC Corp.
元件分類(lèi): Codec
英文描述: FOUR-CHANNEL PCM CODEC
中文描述: 四通道的PCM編解碼器
文件頁(yè)數(shù): 23/28頁(yè)
文件大?。?/td> 161K
代理商: UPD9611GT
μ
PD9611
23
Item
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Cross talk between channels
CT
A/A
Input signal = 0 dBm0
–70
dB
Power supply rejection ratio
PSRR
AV
DD
1, AV
DD
2, AV
DD
3, AV
DD
4,
DV
DD
= 5 V
±
100 mV
P-P
–25
dB
Coder offset
A/D
Input signal 0 V
–5
+5
Mutual modulation (2 tones)
IMD
A/D
Input signal:
f1, f2; 300 to 3400 Hz, –4 to –21 dBm0
Measuring signal: 2
×
f1 – f2
level (2
×
f1 – f2) vs level (f1, f2)
44.0
dB
D/A
Input signal:
f1, f2; 300 to 3400Hz, –4 to –21 dBm0
Measuring signal: 2
×
f1 – f2
level (2
×
f1 – f2) vs level (f1, f2)
44.0
dB
Discrimination
A/D
Input signal:
f; 4396 to 7796 Hz
0 dBm0
Measuring signal: 8000 – fHz
–27
dB
Out-of-band spurious
D/A
Input signal:
f; 204 to 3604 Hz
0 dBm0
Measuring signal: 8000 – fHz
–27
dB
In-band spurious
A/D
Input signal:
f; 700 to 1100 Hz
0 dBm0
Measuring signal: Any frequency
–45
dB
D/A
Input signal:
f; 700 to 1100 Hz
0 dBm0
Measuring signal: Any frequency
–45
dB
Single frequency noise
N
SF
D/A
Gain setting = 0 dB
Measuring signal: f = up to 256 kHz
–54
dBm0
Transmit gain setting
DGS
X
A/D difference from reference setting value
–0.15
+0.15
dB
Receive gain setting
DGS
R
D/A difference from reference setting value
–0.15
+0.15
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