參數(shù)資料
型號(hào): IDT821024PPG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 12/13頁
文件大?。?/td> 0K
描述: IC PCM CODEC QUAD NONPROG 44TQFP
標(biāo)準(zhǔn)包裝: 80
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: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-TQFP
包裝: 托盤
其它名稱: 800-2624
821024PPG
IDT821024PPG-ND
8
INDUSTRIAL TEMPERATURE RANGE
IDT821024 QUAD NON-PROGRAMMABLE PCM CODEC
TRANSMISSION CHARACTERISTICS
0dBm0 is defined as 0.6832Vrms for A-law and 0.6778 Vrms for
-law, both for 600 load. Unless otherwise noted, the analog input is a 0
dBm0, 1020 Hz sine wave; the input amplifier is set for unity gain. The digital input is a PCM bit stream equivalent to that obtained by passing a 0
dBm0, 1020 Hz sine wave through an ideal encoder. The output level is sin(x)/x-corrected. Typical value are tested at VDD = 5V and TA = 25
°C.
Absolute Gain
Gain Tracking
FrequencyResponse
Group Delay
Note*: Minimum value in transmit and receive path.
Parameter
Description
Min
Typ
Max
Units
Test Conditions
GXA
Transmit Gain, Absolute
0°C to 85°C
-40°C
-0.25
-0.35
0.25
0.35
dB
Signal input of 0 dBm0, -law or A-law
GRA
Receive Gain, Absolute
0°C to 85°C
-40°C
-0.25
-0.35
0.25
0.35
dB
Measured relative to 0 dBm0,
-law or A-law, PCM input of 0
dBm0 1020 Hz , RL = 10 k
Parameter
Description
Min
Typ
Max
Units
Test Conditions
GTX
Transmit Gain Tracking
+3 dBm0 to –40 dBm0
-40 dBm0 to -50 dBm0
-50 dBm0 to -55 dBm0
-0.10
-0.25
-0.50
0.10
0.50
dB
Tested by Sinusoidal Method, -law/A-law
GTR
Receive Gain Tracking
+3 dBm0 to –40 dBm0
-40 dBm0 to -50 dBm0
-50 dBm0 to -55 dBm0
-0.10
-0.25
-0.50
0.10
0.50
dB
Tested by Sinusoidal Method, -law/A-law
Parameter
Description
Min
Typ
Max
Units
Test Conditions
GXR
Transmit Gain, Relative to GXA
f = 50 Hz
f = 60 Hz
f = 300 Hz to 3400 Hz
f = 3600 Hz
f = 4600 Hz and above
-0.15
-40
0.15
-0.1
-35
dB
GRR
Receive Gain, Relative to GRA
f below 300 Hz
f = 300 Hz to 3400 Hz
f = 3600 Hz
f = 4600 Hz and above
-0.15
0
0.15
-0.2
-35
dB
Parameter
Description
Min
Typ
Max
Units
Test Conditions
DXA
Transmit Delay, Absolute *
340
s
DXR
Transmit Delay, Relative to 1800 Hz
f = 500 Hz – 600 Hz
f = 600 Hz –1000 Hz
f = 1000 Hz – 2600 Hz
f = 2600 Hz – 2800 Hz
280
150
80
280
s
DRA
Receive Delay, Absolute *
260
s
DRR
Receive Delay, Relative to 1800 Hz
f = 500 Hz – 600 Hz
f = 600 Hz –1000 Hz
f = 1000 Hz – 2600 Hz
f = 2600 Hz – 2800 Hz
50
80
120
150
s
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