Datasheet

Data Sheet AD8229
Rev. B | Page 3 of 24
SPECIFICATIONS
+V
S
= 15 V, −V
S
= −15 V, V
REF
= 0 V, T
A
= 25°C, G = 1, R
L
= 10 kΩ, unless otherwise noted.
Table 1.
Parameter Test Conditions/Comments 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 86 dB
Temperature Drift T
A
= −40°C to +210°C 300 nV/V/°C
G = 10 106 dB
Temperature Drift T
A
= −40°C to +210°C 30 nV/V/°C
G = 100
126
dB
Temperature Drift T
A
= −40°C to +210°C 3 nV/V/°C
G = 1000 T
A
= −40°C to +210°C 134 dB
CMRR at 5 kHz V
CM
= ±10 V
G = 1 80 dB
G = 10 90 dB
G = 100 90 dB
G = 1000 90 dB
VOLTAGE NOISE V
IN
+, V
IN
− = 0 V
Spectral Density
1
: 1 kHz
Input Voltage Noise, e
ni
1 1.1 nV/√Hz
Output Voltage Noise, e
no
45 50 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
VOLTAGE OFFSET V
OS
= V
OSI
+ V
OSO
/G
Input Offset, V
OSI
100 µV
Average TC
T
A
= −40°C to +210°C
0.1
1
µV/°C
Output Offset, V
OSO
1000 µV
Average TC T
A
= −40°C to +210°C 3 10 µV/°C
Offset RTI vs. Supply (PSR) V
S
= ±5 V to ±15 V
G = 1 T
A
= −40°C to +210°C 86 dB
G = 10
T
A
= −40°C to +210°C
106
dB
G = 100 T
A
= −40°C to +210°C 126 dB
G = 1000 T
A
= −40°C to +210°C 130 dB
INPUT CURRENT
Input Bias Current 70 nA
High Temperature T
A
= 210°C 200 nA
Input Offset Current 35 nA
High Temperature T
A
= 210°C 50 nA