AVDD = 3 V to 5.25 V, DV<" />
參數(shù)資料
型號: AD7193BRUZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 45/57頁
文件大?。?/td> 0K
描述: IC ADC 24BIT SPI 4.8KHZ 28TSSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 4.8k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個差分,單極;4 個差分,雙極;8 個偽差分,單極;8 個偽差分,雙極
AD7193
Data Sheet
Rev. D | Page 4 of 56
SPECIFICATIONS
AVDD = 3 V to 5.25 V, DVDD = 2.7 V to 5.25 V, AGND = DGND = 0 V; REFINx(+) = 2.5 V or AVDD, REFINx() = AGND,
MCLK = 4.92 MHz, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments1
ADC
Output Data Rate
4.7
4800
Hz
Chop disabled
1.17
1200
Hz
Chop enabled, sinc4 filter
1.56
1600
Hz
Chop enabled, sinc3 filter
No Missing Codes2
24
Bits
FS[9:0]3 > 1, sinc4 filter
24
Bits
FS[9:0]3 > 4, sinc3 filter
Resolution
RMS Noise and Output
Data Rates
Integral Nonlinearity
Gain = 12
±2
±10
ppm of FSR
AVDD = 5 V
±2
±15
ppm of FSR
AVDD = 3 V
Gain > 1
±5
±30
ppm of FSR
AVDD = 5 V
±15
±30
ppm of FSR
AVDD = 3 V
Offset Error4, 5
±150/gain
V
Chop disabled
±1
V
Chop enabled, AVDD = 5 V
±0.5
V
Chop enabled, AVDD = 3 V
Offset Error Drift vs.
Temperature
±150/gain
nV/°C
Gain = 1 to 16; chop disabled
±5
nV/°C
Gain = 32 to 128; chop disabled
±5
nV/°C
Chop enabled
Offset Error Drift vs. Time
25
nV/1000
hours
Gain > 32
Gain Error4
±0.001
%
AVDD = 5 V, gain = 1, TA = 25°C
(factory calibration conditions)
0.39
%
Gain = 128, before full-scale calibration
±0.003
%
Gain > 1, after internal full-scale calibration,
AVDD ≥ 4.75 V
±0.005
%
Gain > 1, after internal full-scale calibration,
AVDD < 4.75 V
Gain Drift vs.
Temperature
±1
ppm/°C
Gain Drift vs. Time
10
ppm/
1000 hours
Gain = 1
Power Supply Rejection
90
dB
Gain = 1, VIN = 1 V
95
110
dB
Gain > 1, VIN = 1 V/gain
Common-Mode Rejection
@ DC
110
dB
Gain = 1, VIN = 1 V
@ DC
105
dB
Gain > 1, VIN = 1 V/gain
@ 50 Hz, 60 Hz2
120
dB
10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
@ 50 Hz2
120
dB
50 Hz output data rate, 50 Hz ± 1 Hz
@ 60 Hz2
120
dB
60 Hz output data rate, 60 Hz ± 1 Hz
@ 50 Hz2
115
dB
Fast settling, FS[9:0]3 = 6, average by 16,
50 Hz ± 1 Hz
@ 60 Hz2
115
dB
Fast settling, FS[9:0]3 = 5, average by 16,
60 Hz ± 1 Hz
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