Datasheet

AD8220
Rev. B | Page 6 of 28
A Grade B Grade W Grade
Parameter Test Conditions Min Typ Max Min Typ Max Min Typ Max Unit
INPUT CURRENT
Input Bias Current T
A
25 10 25 pA
Over Temperature T
OPR
0.3 0.3 100 nA
Input Offset Current T
A
2 0.6 2 pA
Over Temperature T
OPR
0.005 0.005 10 nA
DYNAMIC RESPONSE T
A
Small Signal Bandwidth,
−3 dB
G = 1 1500 1500 1500 kHz
G = 10 800 800 800 kHz
G = 100 120 120 120 kHz
G = 1000 14 14 14 kHz
Settling Time 0.01% T
A
G = 1 3 V step 2.5 2.5 2.5 μs
G = 10 4 V step 2.5 2.5 2.5 μs
G = 100 4 V step 7.5 7.5 7.5 μs
G = 1000 4 V step 30 30 30 μs
Settling Time 0.001% T
A
G = 1 3 V step 3.5 3.5 3.5 μs
G = 10 4 V step 3.5 3.5 3.5 μs
G = 100 4 V step 8.5 8.5 8.5 μs
G = 1000 4 V step 37 37 37 μs
Slew Rate
G = 1 to 100
T
A
2 2 2 V/μs
GAIN G = 1 + (49.4 kΩ/R
G
),
T
A
for A, B grades,
T
OPR
for W grade
Gain Range 1 1000 1 1000 1 1000 V/V
Gain Error V
OUT
= 0.3 V to 2.9 V for
G = 1, V
OUT
= 0.3 V to
3.8 V for G > 1
G = 1 −0.06 +0.06 −0.04 +0.04 −0.1 +0.1 %
G = 10 −0.3 +0.3 −0.2 +0.2 −0.8 +0.8 %
G = 100 −0.3 +0.3 −0.2 +0.2 −0.8 +0.8 %
G = 1000 −0.3 +0.3 −0.2 +0.2 −0.8 +0.8 %
Nonlinearity V
OUT
= 0.3 V to 2.9 V for
G = 1, V
OUT
= 0.3 V to
3.8 V for G > 1, T
A
G = 1 R
L
= 10 kΩ 35 50 35 50 50 ppm
G = 10 R
L
= 10 kΩ 35 50 35 50 50 ppm
G = 100 R
L
= 10 kΩ 50 75 50 75 75 ppm
G = 1000 R
L
= 10 kΩ 650 750 650 750 750 ppm
G = 1
R
L
= 2
k
Ω
35 50 35 50 50 ppm
G = 10
R
L
= 2
k
Ω
35 50 35 50 50 ppm
G = 100
R
L
= 2
k
Ω
50 75 50 75 75 ppm
Gain vs. Temperature
G = 1 3 10 2 5 3 10 ppm/°C
G > 10 −50 −50 −50 ppm/°C
INPUT
Impedance (Pin to
Ground)
2
T
A
10
4
||6 10
4
||6 10
4
||6 GΩ||pF
Input Voltage Range
3
T
A
−0.1 +V
S
−
2
−0.1 +V
S
−
2
V
Over Temperature T
OPR
−0.1 +V
S
−
2.1
−0.1 +V
S
−
2.1
−0.1 +V
S
−
2.2
V