Data Sheet
AD8622/AD8624
Rev. D | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—±2.5 V OPERATION
VSY = ±2.5 V, VCM = 0 V, TA = 25°C, unless otherwise specified.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
10
125
μV
40°C ≤ TA ≤ +125°C
230
μV
Offset Voltage Drift
ΔVOS/ΔT
40°C ≤ TA ≤ +125°C
0.5
1.2
V/°C
Input Bias Current
IB
30
200
pA
40°C ≤ TA ≤ +125°C
400
pA
Input Offset Current
IOS
25
200
pA
40°C ≤ TA ≤ +125°C
300
pA
Input Voltage Range
40°C ≤ TA ≤ +125°C
1.3
+1.3
V
Common-Mode Rejection Ratio
CMRR
VCM = 1.3 V to +1.3 V
110
120
dB
40°C ≤ TA ≤ +125°C
107
dB
Open-Loop Gain
AVO
RL = 10 k, VO = 2.0 V to +2.0 V
118
135
dB
40°C ≤ TA ≤ +125°C
109
dB
Input Resistance, Differential Mode
RINDM
1
G
Input Resistance, Common Mode
RINCM
1
T
Input Capacitance, Differential Mode
CINDM
5.5
pF
Input Capacitance, Common Mode
CINCM
3
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 k to ground
2.45
2.49
V
40°C ≤ TA ≤ +125°C
2.41
V
RL = 10 k to ground
2.40
2.45
V
40°C ≤ TA ≤ +125°C
2.36
V
Output Voltage Low
VOL
RL = 100 k to ground
2.49
2.45
V
40°C ≤ TA ≤ +125°C
2.41
V
RL = 10 k to ground
2.45
2.40
V
40°C ≤ TA ≤ +125°C
2.36
V
Short-Circuit Current
ISC
±30
mA
Closed-Loop Output Impedance
ZOUT
f = 1 kHz, AV = 1
2
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = ±2.0 V to ±18.0 V
125
145
dB
40°C ≤ TA ≤ +125°C
120
dB
Supply Current/Amplifier
ISY
IO = 0 mA
175
225
μA
40°C ≤ TA ≤ +125°C
310
μA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 k, CL = 100 pF AV = 1
0.28
V/μs
Gain Bandwidth Product
GBP
RL = 10 k, CL = 20 pF, AV = 1
540
kHz
Phase Margin
ΦM
RL = 10 k, CL = 20 pF, AV = 1
74
Degrees
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
0.2
μV p-p
Voltage Noise Density
en
f = 1 kHz
12
nV/√Hz
Uncorrelated Current Noise Density
in_uncorr
f = 1 kHz
0.15
pA/√Hz
Correlated Current Noise Density
in_corr
f = 1 kHz
0.07
pA/√Hz