参数资料
型号: AD1871YRSZ
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: IC ADC STEREO AUDIO 24BIT 28SSOP
产品培训模块: Interfacing AV Converters to Blackfin Processors
标准包装: 47
位数: 24
采样率(每秒): 96k
数据接口: 串行,SPI?
转换器数目: 2
电压电源: 模拟和数字
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
输入数目和类型: 4 个单端,单极
产品目录页面: 777 (CN2011-ZH PDF)
REV. 0
–3–
AD1871–SPECIFICATIONS
TEST CONDITIONS UNLESS OTHERWISE NOTED
Supply Voltages . . . . . . . . . . . . . . . . . . . . . . 5.0 V
Ambient Temperature . . . . . . . . . . . . . . . . . 25
∞C
Input Clock (fCLKIN) [256
fS] . . . . . . . . . . 12.288 MHz
Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . 991.768 Hz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 dB Full Scale (dBFS) (Differential, PGA/MUX Enabled)
Measurement Bandwidth . . . . . . . . . . . . . . . 23.2 Hz to 19.998 kHz
Word Width . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance on Digital Outputs . . . . . 100 pF
Input Voltage High (VIH) . . . . . . . . . . . . . . . 2.4 V
Input Voltage Low (VIL) . . . . . . . . . . . . . . . 0.8 V
Master Mode, Data I
2S Justified
ANALOG PERFORMANCE
Parameter
Min
Typ
Max
Unit
Conditions
RESOLUTION
24
Bits
DIFFERENTIAL INPUT
PGA/MUX Enabled
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
Unweighted
98
103
dB
A-Weighted
100
105
dB
Signal-to-Noise Ratio
106
dB
Total Harmonic Distortion + Noise
–85
dB
Input = –0.5 dBFS
(THD+N)
–103
dB
Input = –20 dBFS
Multibit Modulator Only
Modulator Output @ 5.6448 MHz
Dynamic Range (A-Weighted)
102
dB
SINGLE-ENDED INPUT
PGA/MUX Enabled
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
Unweighted
103
dB
A-Weighted
105
dB
Signal-to-Noise Ratio
106
dB
Total Harmonic Distortion + Noise
–85
dB
Input = –0.5 dBFS
(THD+N)
–103
dB
Input = –20 dBFS
DIFFERENTIAL INPUT (BYPASS)
PGA/MUX Disabled
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
Unweighted
103
dB
A-Weighted
106
dB
Signal-to-Noise Ratio
106
dB
Total Harmonic Distortion + Noise
–86
dB
Input = –0.5 dBFS
(THD+N)
–104
dB
Input = –20 dBFS
DIFFERENTIAL INPUT (fS = 96 kHz)
PGA/MUX Enabled; AMC = 1
Dynamic Range
(20 Hz to 20 kHz, –60 dB Input)
Unweighted
103
dB
A-Weighted
106
dB
Signal-to-Noise Ratio
106
dB
Total Harmonic Distortion + Noise
–87
dB
Input = –0.5 dBFS
(THD+N)
–104
dB
Input = –20 dBFS
Analog Inputs
Differential Input Range (
± Full Scale)
–2.828
+2.828
V
Input Impedance (PGA/MUX)
8
k
W
Differential
Input Impedance (ByPass)
40
k
W
Differential
Input Impedance (PGA/MUX)
4
k
W
Single Ended
VREF
2.138
2.25
2.363
V
DC Accuracy
Gain Error
–10
%
Interchannel Gain Mismatch
–0.2
–0.01
+0.2
dB
Gain Drift
100
ppm/
∞C
Crosstalk (EIAJ Method)
–100
dB
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