参数资料
型号: AD1835AASZ
厂商: Analog Devices Inc
文件页数: 12/24页
文件大小: 0K
描述: IC CODEC 2ADC/8DAC 24BIT 52-MQFP
标准包装: 1
类型: 立体声音频
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 8
三角积分调变:
S/N 比,标准 ADC / DAC (db): 105 / 108
动态范围,标准 ADC / DAC (db): 105 / 108
电压 - 电源,模拟: 4.5 V ~ 5.5 V
电压 - 电源,数字: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 52-QFP
供应商设备封装: 52-MQFP(10x10)
包装: 托盘
产品目录页面: 776 (CN2011-ZH PDF)
REV. A
–2–
AD1835A–SPECIFICATIONS
TEST CONDITIONS
Supply Voltages (AVDD, DVDD)
5.0 V
Ambient Temperature
25
°C
Input Clock
12.288 MHz (256
fS Mode)
ADC Input Signal
1.0078125 kHz, –1 dBFS (Full Scale)
DAC Input Signal
1.0078125 kHz, 0 dBFS (Full Scale)
Input Sample Rate (fS)
48 kHz
Measurement Bandwidth
20 Hz to 20 kHz
Word Width
24 Bits
Load Capacitance
100 pF
Load Impedance
47 k
Performance of all channels is identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation
specifications).
Parameter
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
24
Bits
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
No Filter
100
103
dB
A-Weighted (48 kHz and 96 kHz)
105
dB
Total Harmonic Distortion + Noise (THD + N)
48 kHz
–95
–88.5
dB
96 kHz
–95
–87.5
dB
Interchannel Isolation
100
dB
Interchannel Gain Mismatch
0.025
dB
Analog Inputs
Differential Input Range (
Full Scale)
–2.828
+2.828
V
Common-Mode Input Voltage
2.25
V
Input Impedance
4
k
Input Capacitance
15
pF
VREF
2.25
V
DC Accuracy
Gain Error
±5%
Gain Drift
35
ppm/
°C
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
24
Bits
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
No Filter
103
105
dB
With A-Weighted Filter (48 kHz and 96 kHz)
105
108
dB
Total Harmonic Distortion + Noise (48 kHz and 96 kHz)
–95
–90
dB
Interchannel Isolation
110
dB
DC Accuracy
Gain Error
4.0
%
Interchannel Gain Mismatch
0.025
dB
Gain Drift
200
ppm/
°C
Interchannel Crosstalk (EIAJ Method)
–120
dB
Interchannel Phase Deviation
0.1
Degrees
Volume Control Step Size (1023 Linear Steps)
0.098
%
Volume Control Range (Maximum Attenuation)
60
dB
Mute Attenuation
–100
dB
De-emphasis Gain Error
0.1
dB
Full-Scale Output Voltage at Each Pin (Single-Ended)
1.0 (2.8)
V rms (V p-p)
Output Resistance at Each Pin
180
Common-Mode Output Voltage
2.25
V
ADC DECIMATION FILTER, 48 kHz
*
Pass Band
21.77
kHz
Pass-Band Ripple
0.01
dB
Stop Band
26.23
kHz
Stop-Band Attenuation
120
dB
Group Delay
910
s
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