Data Sheet AD8479
Rev. A | Page 3 of 16
SPECIFICATIONS
V
S
= ±15 V, REF(−) = REF(+) = 0 V, R
L
= 2 kΩ, T
A
= 25°C, unless otherwise noted.
Table 1.
A Grade B Grade
Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
GAIN V
OUT
= ±10 V, R
L
= 2 kΩ
Nominal Gain 1 1 V/V
Gain Error 0.01 0.02 0.005 0.01 %
Gain Nonlinearity 4 10 2 5 ppm
Gain Drift T
A
= T
MIN
to T
MAX
3 5 3 5 ppm/°C
OFFSET VOLTAGE
Offset Voltage V
S
= ±15 V 0.5 3 0.5 1 mV
V
S
= ±5 V 0.5 3 0.5 1 mV
Offset Voltage Drift T
A
= T
MIN
to T
MAX
3 15 3 10 µV/°C
Power Supply Rejection
Ratio (PSRR)
V
S
= ±2.5 V to ±15 V 84 100 90 100 dB
INPUT
Common-Mode Rejection
Ratio (CMRR)
V
CM
= ±600 V dc
T
A
= 25°C 80 90 90 96 dB
T
A
= T
MIN
to T
MAX
80 90 dB
V
CM
= 1200 V p-p, dc to 12 kHz 80 80 dB
Operating Voltage Range Common-mode ±600 ±600 V
Differential ±14.7 ±14.7 V
Input Operating
Impedance
Common-mode 500 500 kΩ
Differential 2 2 MΩ
OUTPUT
Output Voltage Swing R
L
= 2 kΩ −V
S
+ 0.3 +V
S
− 0.3 −V
S
+ 0.3 +V
S
− 0.3 V
Current
Capacitive Load Stable operation 500 500 pF
DYNAMIC RESPONSE
Small Signal −3 dB
Bandwidth
130 130 kHz
Slew Rate 7.5 8 7.5 8 V/µs
Full Power Bandwidth V
OUT
= 20 V p-p 100 100 kHz
Settling Time 0.01%, V
OUT
= 10 V step 11 11 µs
0.001%, V
CM
= 10 V step 15.4 15.4 µs
OUTPUT VOLTAGE NOISE
0.01 Hz to 10 Hz 30 35 30 35 µV p-p
Noise Spectral Density f ≥ 100 Hz 1.6 1.6 μV/√Hz
POWER SUPPLY
Supply Current V
OUT
= 0 V 550 650 550 650 μA
T
A
= T
MIN
to T
MAX
850 850 μA
TEMPERATURE RANGE
Specified Performance T
A
= T
MIN
to T
MAX
−40 +85 −40 +85 °C
Operational −40 +125 −40 +125 °C
