參數(shù)資料
型號(hào): EVAL-ADAU1442EBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 78/93頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR ADAU1442
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
主要目的: 音頻,音頻處理
嵌入式: 是,DSP
已用 IC / 零件: ADAU1442
主要屬性: 單芯片多通道 28/56 位音頻 DSP
次要屬性: I²C & SPI 接口
已供物品: 電路板,線纜,說明文檔,GPIO 子板,電源
Data Sheet
ADAU1442/ADAU1445/ADAU1446
Rev. D | Page 7 of 92
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
PLL Current (PVDD)
10
mA
I/O Current (IOVDD)
10
mA
Depends greatly on the num-
ber of active serial ports, clock
pins, and characteristics of
external loads.
Maximum Digital Current (DVDD)
460
mA
Test program includes
24 channels I/O, fully utilized
program RAM.
365
mA
Test program includes
24 channels I/O, fully utilized
program RAM.
315
mA
Test program includes
24 channels I/O, fully utilized
program RAM.
Power Dissipation
AVDD, DVDD, PVDD During Operation
960
mW
All supplies at nominal +10%,
IOVDD is not included in
measurement.
AVDD, DVDD, PVDD During Operation
780
mW
All supplies at nominal +10%,
IOVDD is not included in
measurement.
AVDD, DVDD, PVDD During Operation
675
mW
All supplies at nominal +10%,
IOVDD is not included in
measurement.
Reset, All Supplies
94
mW
ASYNCHRONOUS SAMPLE RATE
CONVERTERS2
Dynamic Range
139
dB
A-weighted, 20 Hz to 20 kHz.
I/O Sample Rate
6
192
kHz
I/O Sample Rate Ratio
1:8
7.75:1
THD + N
133
120
dB
CRYSTAL OSCILLATOR
Transconductance
40
mS
REGULATOR3
DVDD Voltage
1.65
1.75
1.85
V
Maximum 500 mA load.
1
SPDIFI input voltage range exceeds the requirements of the S/PDIF specification.
2
To calculate the group delay, refer to the SRC Group Delay section.
3
Regulator specifications are calculated using an NJT4030P transistor from On Semiconductor in the circuit.
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