Datasheet

Data Sheet AD8215
Rev. A | Page 3 of 16
SPECIFICATIONS
T
OPR
= −40°C to +125°C, T
A
= 25°C, V
S
= 5 V, R
L
= 25 kΩ (R
L
is the output load resistor), unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Conditions
GAIN
Initial 20 V/V
Accuracy ±0.15 % V
O
≥ 0.1 V dc, T
A
Accuracy Over Temperature ±0.3 % T
OPR
Drift 0 −8 −15 ppm/°C T
OPR
VOLTAGE OFFSET
Offset Voltage, RTI ±1 mV T
A
Over Temperature, RTI ±2.5 mV T
OPR
Drift
−15
+6
+18
µV/°C
T
OPR
INPUT
Input Impedance
Differential 5 kΩ
Common Mode 5 MΩ Common-mode voltage > 5 V
3.5 kΩ Common-mode voltage < 5 V
Common-Mode Input Voltage Range −2 +65 V Common-mode continuous
Differential Input Voltage Range 250 mV Differential input voltage
Common-Mode Rejection Ratio 100 120 dB T
OPR
, f = dc to 50 kHz, V
CM
> 5 V
80 90 dB T
OPR
, f = dc to 40 kHz, V
CM
< 5 V
OUTPUT
Output Voltage Range Low
0.03
V
T
A
0.10 V T
OPR
Output Voltage Range High 4.95 V T
A
4.90 V T
OPR
Output Impedance 2 Ω
DYNAMIC RESPONSE
Small Signal −3 dB Bandwidth 450 kHz T
OPR
Slew Rate 4.5 V/µs T
A
NOISE
0.1 Hz to 10 Hz, RTI 7 µV p-p
Spectral Density, 1 kHz, RTI 70 nV/√Hz
POWER SUPPLY
Operating Range 4.5 5.5 V
Quiescent Current Over Temperature 1.3 2.2 mA V
CM
> 5 V
1
, T
OPR
Power Supply Rejection Ratio 75 dB T
OPR
TEMPERATURE RANGE
For Specified Performance −40 +125 °C
1
When the input common-mode voltage is less than 5 V, the supply current increases, which can be calculated by I
S
= −0.275 (V
CM
) + 2.5.