參數(shù)資料
型號(hào): IDT821034DNG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 5/19頁
文件大小: 0K
描述: IC PCM CODEC QUAD MPI 52-PQFP
標(biāo)準(zhǔn)包裝: 84
類型: PCM 編解碼器/濾波器
數(shù)據(jù)接口: PCM 音頻接口
ADC / DAC 數(shù)量: 4 / 4
三角積分調(diào)變:
電壓 - 電源,模擬: 4.75 V ~ 5.25 V
電壓 - 電源,數(shù)字: 4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 52-BQFP
供應(yīng)商設(shè)備封裝: 52-PQFP(14x14)
包裝: 托盤
其它名稱: 821034DNG
13
INDUSTRIAL TEMPERATURE RANGE
IDT821034 QUAD PCM CODEC WITH PROGRAMMABLE GAIN
InterchannelCrosstalk
IntrachannelCrosstalk
Parameter
Description
Min
Typ
Max
Units
Test Conditions
XTX-R
Transmit to Receive Crosstalk
-85
-78
dB
300 Hz – 3400 Hz, 0 dBm0 signal into VFXI
of interfering channel. Idle PCM code into
channel under test.
XTR-X
Receive to Transmit Crosstalk
-85
-80
dB
300 Hz – 3400 Hz, 0 dBm0 PCM code into
interfering channel. VFXI = 0 Vrms for
channel under test.
XTX-X
Transmit to Transmit Crosstalk
-85
-78
dB
300 Hz – 3400 Hz, 0 dBm0 signal into VFXI
of interfering channel. VFXI = 0 Vrms for
channel under test.
XTR-R
Receive to Receive Crosstalk
-85
-80
dB
300 Hz – 3400 Hz, 0 dBm0 PCM code into
interfering channel. Idle PCM code into
channel under test.
Note: Crosstalk into the transmit channels (VFXI) can be significantly affected by parasitic capacitive coupling from GSX and VFRO outputs. PCB layouts should be arranged to minimize
these parasitics. The resistor value of Rf (from GSX to VFXI) should be kept as low as possible to minimize crosstalk. The limits given above are based on Rf < 200 k
.
Parameter
Description
Min
Typ
Max
Units
Test Conditions
XTX-R
Transmit to Receive Crosstalk
-80
-70
dB
300 Hz – 3400 Hz, 0 dBm0 signal into VFXI.
Idle PCM code into DR.
XTR-X
Receive to Transmit Crosstalk
-80
-70
dB
300 Hz – 3400 Hz, 0 dBm0 PCM code into
DR. VFXI = 0 Vrms.
Note: Crosstalk into the transmit channels (VFXI) can be significantly affected by parasitic capacitive coupling from GSX and VFRO outputs. PCB layouts should be arranged to minimize
these parasitics. The resistor value of Rf (from GSX to VFXI) should be kept as low as possible to minimize crosstalk. The limits given above are based on Rf < 200 k
.
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