AD7193 Analog Devices, AD7193 Datasheet - Page 5
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AD7193
Manufacturer Part Number
AD7193
Description
4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA
Manufacturer
Analog Devices
Datasheet
1.AD7193.pdf
(56 pages)
Specifications of AD7193
Resolution (bits)
24bit
# Chan
4
Sample Rate
n/a
Interface
Ser,SPI
Analog Input Type
Diff-Uni,SE-Uni,Usr-Defined Range/Offset
Ain Range
± (Vref/Gain)
Adc Architecture
Sigma-Delta
Pkg Type
SOP
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Data Sheet
Parameter
ANALOG INPUTS
Normal-Mode Rejection
Differential Input
Absolute AIN Voltage
Analog Input Current
Sinc
Sinc
Fast Settling
Voltage Ranges
Limits
Unbuffered Mode
Buffered Mode
Buffered Mode
Unbuffered Mode
Internal Clock
External Clock
Internal Clock
External Clock
Internal Clock
External Clock
Input Current
Input Current Drift
Input Current
Input Current Drift
4
3
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz, 60 Hz
@ 50 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz
@ 60 Hz
Filter
Filter
2
2
2
Min
100
74
96
97
120
82
120
120
75
60
70
70
100
67
95
95
26
26
40
40
−(AV
AGND − 0.05
AGND + 0.25
−2
−3
DD
− 1.25 V)/gain
Typ
±V
±5
±3.5
±1
±0.05
±1.6
REF
/gain
Rev. C | Page 5 of 56
Max
+(AV
AV
AV
+2
+3
DD
DD
DD
+ 0.05
− 0.25
− 1.25 V)/gain
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
V
V
V
nA
nA
pA/°C
µA/V
µA/V
nA/V/°C
nA/V/°C
Test Conditions/Comments
10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
50 Hz output data rate, 50 Hz ± 1 Hz
60 Hz output data rate, 60 Hz ± 1 Hz
10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
50 Hz output data rate, 50 Hz ± 1 Hz
60 Hz output data rate, 60 Hz ± 1 Hz
10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
50 Hz output data rate, 50 Hz ± 1 Hz
60 Hz output data rate, 60 Hz ± 1 Hz
10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
50 Hz output data rate, 50 Hz ± 1 Hz
60 Hz output data rate, 60 Hz ± 1 Hz
FS[9:0]
FS[9:0]
FS[9:0]
FS[9:0]
V
Gain > 1
Gain = 1
Gain > 1
Gain = 1, input current varies with input
voltage
Gain > 1
External clock
Internal clock
REF
= REFINx(+) − REFINx(−), gain = 1 to 128
3
3
3
3
= 6, average by 16, 50 Hz ± 0.5 Hz
= 5, average by 16, 60 Hz ± 0.5 Hz
= 6, average by 16, 50 Hz ± 0.5 Hz
= 5, average by 16, 60 Hz ± 0.5 Hz
1
6
6
6
6
AD7193
= 1,
= 1,
= 1,
= 1,