
AD8429
Rev. 0 | Page 3 of 20
SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, G = 1, RL = 10 kΩ, unless otherwise noted.
Table 1.
A Grade
B Grade
Parameter
Test Conditions/Comments
Min
Typ
Max
Min
Typ
Max
Unit
COMMON-MODE REJECTION
RATIO (CMRR)
CMRR DC to 60 Hz with 1 kΩ
Source Imbalance
VCM = ±10 V
G = 1
80
90
dB
G = 10
100
110
dB
G = 100
120
130
dB
G = 1000
134
140
dB
CMRR at 5 kHz
VCM = ±10 V
G = 1
76
80
dB
G = 10
90
dB
G = 100
90
dB
G = 1000
90
dB
VOLTAGE NOISE, RTI
VIN+, VIN = 0 V
Input Voltage Noise, eni
1.0
nV/√Hz
Output Voltage Noise, eno
45
nV/√Hz
Peak to Peak: 0.1 Hz to 10 Hz
G = 1
2
μV p-p
G = 1000
100
nV p-p
CURRENT NOISE
Spectral Density: 1 kHz
1.5
pA/√Hz
Peak to Peak: 0.1 Hz to 10 Hz
100
pA p-p
Input Offset, VOSI
150
50
μV
Average TC
0.1
1
0.1
0.3
μV/°C
Output Offset, VOSO
1000
500
μV
Average TC
3
10
3
10
μV/°C
Offset RTI vs. Supply (PSR)
VS = ±5 V to ±15 V
G = 1
90
100
dB
G = 10
110
120
dB
G = 100
130
dB
G = 1000
130
dB
INPUT CURRENT
Input Bias Current
300
150
nA
Average TC
250
pA/°C
Input Offset Current
100
30
nA
Average TC
15
pA/°C
DYNAMIC RESPONSE
Small Signal Bandwidth: –3 dB
G = 1
15
MHz
G = 10
4
MHz
G = 100
1.2
MHz
G = 1000
0.15
MHz