AVDD = 3.3 V, DVDD = 1.8 V, PVDD = 3.3 V, IOVDD = 3.3 V, " />
參數(shù)資料
型號： EVAL-ADAU1442EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 56/93頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR ADAU1442
標準包裝： 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 5 of 92
SPECIFICATIONS
AVDD = 3.3 V, DVDD = 1.8 V, PVDD = 3.3 V, IOVDD = 3.3 V, TA = 25°C, master clock input = 12.288 MHz, core clock fCORE = 172.032 MHz,
I/O pins set to 2 mA drive setting, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ANALOG PERFORMANCE
AVDD = 3.3 V ± 10%.
Auxiliary Analog Inputs
Resolution
10
Bits
Full-Scale Analog Input
AVDD
V
Integral Nonlinearity (INL)
2.3
+2.3
LSB
Differential Nonlinearity (DNL)
2.0
+2.0
LSB
Gain Error
2.0
+2.0
LSB
Input Impedance
200
k
Sample Rate
fCORE/896
kHz
4:1 multiplexed input, each
channel at fCORE/3584. For
fCORE = 172.032 MHz, each
channel is sampled at 48 kHz.
POWER
Supply Voltage
Analog Voltage (AVDD)
2.97
3.3
3.63
V
Digital Voltage (DVDD)
1.62
1.8
1.98
V
PLL Voltage (PVDD)
2.97
3.3
3.63
V
IOVDD Voltage (IOVDD)
2.97
3.3
3.63
V
Supply Current
Analog Current (AVDD)
2
mA
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.
Digital Current (DVDD)
Typical Program
335
mA
Test program includes
16 channels I/O, 10-band EQ
per channel, all ASRCs active.
Minimal Program
115
mA
Test program includes
2 channels I/O, 10-band EQ
per channel.
Typical Program
270
mA
Test program includes
16 channels I/O, 10-band EQ
per channel, all ASRCs active.
Minimal Program
115
mA
Test program includes
2 channels I/O, 10-band EQ
per channel.
Typical Program
135
mA
Test program includes
16 channels I/O, 10-band EQ
per channel, all ASRCs active.
Minimal Program
110
Test program includes
2 channels I/O, 10-band EQ
per channel.
ASYNCHRONOUS SAMPLE RATE
CONVERTERS1
Dynamic Range
139
dB
A-weighted, 20 Hz to 20 kHz.
I/O Sample Rate
6
192
kHz
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