AD8421BRZ-RL View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD8421BRZ-RL Datasheet PDF : 28 Pages
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Data Sheet
SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, G = 1, RL = 2 kΩ, unless otherwise noted.
AR AND BR GRADES
Table 1.
Parameter
COMMON-MODE REJECTION
RATIO (CMRR)
CMRR DC to 60 Hz with 1 kΩ
Source Imbalance
G=1
G = 10
G = 100
G = 1000
Over Temperature, G = 1
CMRR at 20 kHz
G=1
G = 10
G = 100
G = 1000
NOISE
Voltage Noise, 1 kHz1
Input Voltage Noise, eni
Output Voltage Noise, eno
Peak to Peak, RTI
G=1
G = 10
G = 100 to 1000
Current Noise
Spectral Density
Peak to Peak, RTI
VOLTAGE OFFSET2
Input Offset Voltage, VOSI
Over Temperature
Average TC
Output Offset Voltage, VOSO
Over Temperature
Average TC
Offset RTI vs. Supply (PSR)
G=1
G = 10
G = 100
G = 1000
INPUT CURRENT
Input Bias Current
Over Temperature
Average TC
Input Offset Current
Over Temperature
Average TC
Test Conditions/
Comments
Min
VCM = −10 V to +10 V
86
106
126
136
T = −40°C to +85°C 80
VCM = −10 V to +10 V
80
90
100
110
VIN+, VIN− = 0 V
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 0.1 Hz to 10 Hz
VS = ±5 V to ±15 V
TA = −40°C to +85°C
TA = −40°C to +85°C
VS = ±2.5 V to ±18 V
90
110
124
130
TA = −40°C to +85°C
TA = −40°C to +85°C
AR Grade
Typ
Max
3
3.2
60
2
0.5
0.07
200
18
60
86
0.4
350
0.66
6
120
120
130
140
1
2
8
50
0.5
2
2.2
1
AD8421
BR Grade
Min
Typ
Max
Unit
94
dB
114
dB
134
dB
140
dB
93
dB
80
dB
100
dB
110
dB
120
dB
3
3.2
nV/√Hz
60
nV/√Hz
2
2.2
μV p-p
0.5
μV p-p
0.07
0.09
μV p-p
200
fA/√Hz
18
pA p-p
25
μV
45
μV
0.2
μV/°C
250
μV
0.45
mV
5
μV/°C
100
120
dB
120
140
dB
140
150
dB
140
150
dB
0.1
0.5
nA
6
nA
50
pA/°C
0.1
0.5
nA
0.8
nA
1
pA/°C
Rev. 0 | Page 3 of 28
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