Datasheet

AD8429
Rev. 0 | Page 3 of 20
SPECIFICATIONS
V
S
= ±15 V, V
REF
= 0 V, T
A
= 25°C, G = 1, R
L
= 10 k, 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
V
CM
= ±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 V
CM
= ±10 V
G = 1 76 80 dB
G = 10 90 90 dB
G = 100 90 90 dB
G = 1000 90 90 dB
VOLTAGE NOISE, RTI V
IN
+, V
IN
− = 0 V
Spectral Density
1
: 1 kHz
Input Voltage Noise, e
ni
1.0 1.0 nV/√Hz
Output Voltage Noise, e
no
45 45 nV/√Hz
Peak to Peak: 0.1 Hz to 10 Hz
G = 1 2 2 μV p-p
G = 1000 100 100 nV p-p
CURRENT NOISE
Spectral Density: 1 kHz 1.5 1.5 pA/√Hz
Peak to Peak: 0.1 Hz to 10 Hz 100 100 pA p-p
VOLTAGE OFFSET
2
Input Offset, V
OSI
150 50 μV
Average TC 0.1 1 0.1 0.3 μV/°C
Output Offset, V
OSO
1000 500 μV
Average TC 3 10 3 10 μV/°C
Offset RTI vs. Supply (PSR) V
S
= ±5 V to ±15 V
G = 1 90 100 dB
G = 10 110 120 dB
G = 100 130 130 dB
G = 1000 130 130 dB
INPUT CURRENT
Input Bias Current 300 150 nA
Average TC 250 250 pA/°C
Input Offset Current 100 30 nA
Average TC 15 15 pA/°C
DYNAMIC RESPONSE
Small Signal Bandwidth: –3 dB
G = 1 15 15 MHz
G = 10 4 4 MHz
G = 100 1.2 1.2 MHz
G = 1000 0.15 0.15 MHz