Datasheet

Data Sheet AD8250
Rev. C | Page 3 of 24
SPECIFICATIONS
+V
S
= 15 V, −V
S
= −1 5 V, V
REF
= 0 V @ T
A
= 25°C, G = 1, R
L
= 2 kΩ, unless otherwise noted.
Table 2.
Parameter Conditions Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR)
CMRR to 60 Hz with 1 kΩ Source Imbalance +IN = −IN = −10 V to +10 V
G = 1 80 98 dB
G = 2 86 104 dB
G = 5 94 110 dB
G = 10 98 110 dB
CMRR to 50 kHz +IN = −IN = −10 V to +10 V
G = 1 80 dB
G = 2 86 dB
G = 5 90 dB
G = 10 90 dB
NOISE
Voltage Noise, 1 kHz, RTI
G = 1 40 nV/√Hz
G = 2 27 nV/√Hz
G = 5 21 nV/√Hz
G = 10 18 nV/√Hz
0.1 Hz to 10 Hz, RTI
G = 1 2.5 μV p-p
G = 2 2.5 μV p-p
G = 5 1.5 μV p-p
G = 10 1.0 μV p-p
Current Noise, 1 kHz 5 pA/√Hz
Current Noise, 0.1 Hz to 10 Hz 60 pA p-p
VOLTAGE OFFSET
Offset RTI V
OS
G = 1, 2, 5, 10 ±(70 + 200/G) ±(200 + 600/G) μV
Over Temperature T = −40°C to +85°C ±(90 + 300/G) ±(260 + 900/G) μV
Average Temperature Coefficient T = −40°C to +85°C ±(0.6 + 1.5/G) ±(1.2 + 5/G) μV/°C
Offset Referred to the Input vs. Supply (PSR)
V
S
= ±5 V to ±15 V
±(2 + 7/G)
±(6 + 20/G)
μV/V
INPUT CURRENT
Input Bias Current 5 30 nA
Over Temperature T = −40°C to +85°C 40 nA
Average Temperature Coefficient T = −40°C to +85°C 400 pA/°C
Input Offset Current 5 30 nA
Over Temperature T = −40°C to +85°C 30 nA
Average Temperature Coefficient T = −40°C to +85°C 160 pA/°C
DYNAMIC RESPONSE
Small Signal −3 dB Bandwidth
G = 1 10 MHz
G = 2 10 MHz
G = 5 10 MHz
G = 10 3 MHz
Settling Time 0.01% ΔOUT = 10 V step
G = 1 585 ns
G = 2 605 ns
G = 5 605 ns
G = 10 648 ns