Data Sheet
AD8628/AD8629/AD8630
Rev. J | Page 5 of 24
ELECTRICAL CHARACTERISTICS—VS = 2.7 V
VS = 2.7 V, VCM = 1.35 V, VO = 1.4 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
1
5
V
40°C ≤ TA ≤ +125°C
10
V
Input Bias Current
IB
30
100
pA
100
300
pA
40°C ≤ TA ≤ +125°C
1.0
1.5
nA
Input Offset Current
IOS
50
200
pA
40°C ≤ TA ≤ +125°C
250
pA
Input Voltage Range
0
2.7
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.7 V
115
130
dB
40°C ≤ TA ≤ +125°C
110
120
dB
Large Signal Voltage Gain
AVO
RL = 10 k, VO = 0.3 V to 2.4 V
110
140
dB
40°C ≤ TA ≤ +125°C
105
130
dB
Offset Voltage Drift
VOS/T
40°C ≤ TA ≤ +125°C
0.002
0.02
V/°C
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 k to ground
2.68
2.695
V
40°C ≤ TA ≤ +125°C
2.68
2.695
V
RL = 10 k to ground
2.67
2.68
V
40°C ≤ TA ≤ +125°C
2.67
2.675
V
Output Voltage Low
VOL
RL = 100 k to V+
1
5
mV
40°C ≤ TA ≤ +125°C
2
5
mV
RL = 10 k to V+
10
20
mV
40°C ≤ TA ≤ +125°C
15
20
mV
Short-Circuit Limit
ISC
±10
±15
mA
40°C ≤ TA ≤ +125°C
±10
mA
Output Current
IO
±10
mA
40°C ≤ TA ≤ +125°C
±5
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 2.7 V to 5.5 V, 40°C ≤ TA ≤ +125°C
115
130
dB
Supply Current per Amplifier
ISY
VO = VS/2
0.75
1.0
mA
40°C ≤ TA ≤ +125°C
0.9
1.2
mA
INPUT CAPACITANCE
CIN
Differential
1.5
pF
Common Mode
8.0
pF
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 k
1
V/s
Overload Recovery Time
0.05
ms
Gain Bandwidth Product
GBP
2
MHz
NOISE PERFORMANCE
Voltage Noise
en p-p
0.1 Hz to 10 Hz
0.5
V p-p
Voltage Noise Density
en
f = 1 kHz
22
nV/√Hz
Current Noise Density
in
f = 10 Hz
5
fA/√Hz