参数资料
型号: ADAU1381BCPZ
厂商: Analog Devices Inc
文件页数: 2/84页
文件大小: 0K
描述: IC AUDIO CODEC STEREO LN 32LFCSP
标准包装: 1
类型: 立体声音频
数据接口: 串行,SPI?
分辨率(位): 24 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 97 / 100
动态范围,标准 ADC / DAC (db): 96.5 / 100
电压 - 电源,模拟: 1.8 V ~ 3.65 V
电压 - 电源,数字: 1.63 V ~ 3.65 V
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘,CSP
供应商设备封装: 32-LFCSP-VQ
包装: 托盘
配用: EVAL-ADAU1381Z-ND - BOARD EVALUATION FOR ADAU1381
ADAU1381
Rev. B | Page 10 of 84
Parameter
Mode
Factor
Min
Typ
Max
Unit
DAC INTERPOLATION FILTER
Pass Band
48 kHz mode, typ value is for 48 kHz
0.4535 × fS
22
kHz
96 kHz mode, typ value is for 96 kHz
0.3646 × fS
35
69
kHz
Pass-Band Ripple
48 kHz mode, typ value is for 48 kHz
±0.01
dB
96 kHz mode, typ value is for 96 kHz
±0.05
dB
Transition Band
48 kHz mode, typ value is for 48 kHz
0.5 × fS
24
kHz
96 kHz mode, typ value is for 96 kHz
0.5 × fS
48
kHz
Stop Band
48 kHz mode, typ value is for 48 kHz
0.5465 × fS
26
kHz
96 kHz mode, typ value is for 96 kHz
0.6354 × fS
61
kHz
Stop-Band Attenuation
48 kHz mode, typ value is for 48 kHz
70
dB
96 kHz mode, typ value is for 96 kHz
70
dB
Group Delay
48 kHz mode, typ value is for 48 kHz
25/fS
521
μs
96 kHz mode, typ value is for 96 kHz
11/fS
115
μs
DIGITAL INPUT/OUTPUT SPECIFICATIONS
25°C < TA < +85°C, IOVDD = 1.62 V to 3.63 V, unless otherwise specified.
Table 6.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
HIGH LEVEL INPUT VOLTAGE (VIH)
0.7 × IOVDD
V
LOW LEVEL INPUT VOLTAGE (VIL)
IOVDD ≥ 2.97 V
0.3 × IOVDD
V
1.8 V ≤ IOVDD ≤ 2.97 V
0.2 × IOVDD
V
IOVDD < 1.8 V
0.1 × IOVDD
V
INPUT LEAKAGE
IIH at VIH = 2.4 V
±0.17
μA
IIL at VIL = 0.8 V
±0.17
μA
IIL of MCKI
7
μA
IIH with internal pull-up
±0.7
μA
IIL with internal pull-down
7
μA
IIH with internal pull-up
5
μA
IIL with internal pull-down
±0.18
μA
HIGH LEVEL OUTPUT VOLTAGE (VOH)
For low drive strength, IOH = 2 mA and IOL = 2 mA
at IOVDD = 3.3 V, IOH = 0.6 mA and IOL = 0.6 mA at
IOVDD = 1.8 V; for high drive strength, IOH = 3 mA
and IOL = 3 mA at IOVDD = 3.3 V, IOH = 0.9 mA and
IOL = 0.9 mA at IOVDD = 1.8 V
IOVDD 0.4
V
LOW LEVEL OUTPUT VOLTAGE (VOL)
For low drive strength, IOH = 2 mA and IOL = 2 mA
at IOVDD = 3.3 V, IOH = 0.6 mA and IOL = 0.6 mA at
IOVDD = 1.8 V; for high drive strength, IOH = 3 mA
and IOL = 3 mA at IOVDD = 3.3 V, IOH = 0.9 mA and
IOL = 0.9 mA at IOVDD = 1.8 V
0.4
V
INPUT CAPACITANCE
5
pF
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