AD8655/AD8656
Data Sheet
Rev. E | Page 4 of 20
VS = 2.7 V, VCM = VS/2, TA = 25°C, unless otherwise specified.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
VCM = 0 V to 2.7 V
44
250
V
40°C ≤ TA ≤ +125°C
550
V
Offset Voltage Drift
ΔVOS/ΔT
40°C ≤ TA ≤ +125°C
0.4
2.0
V/°C
Input Bias Current
IB
1
10
pA
40°C ≤ TA ≤ +125°C
500
pA
Input Offset Current
IOS
10
pA
40°C ≤ TA ≤ +125°C
500
pA
Input Voltage Range
0
2.7
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.7 V
80
98
dB
Large Signal Voltage Gain
AVO
VO = 0.2 V to 2.5 V, RL = 10 kΩ, VCM = 0 V
98
dB
40°C ≤ TA ≤ +125°C
90
dB
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
IL = 1 mA; 40°C ≤ TA ≤ +125°C
2.67
2.688
V
Output Voltage Low
VOL
IL = 1 mA; 40°C ≤ TA ≤ +125°C
10
30
mV
Output Current
IOUT
VOUT = ±0.5 V
±75
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 2.7 V to 5.0 V
88
105
dB
Supply Current/Amplifier
ISY
VO = 0 V
3.7
4.5
mA
40°C ≤ TA ≤ +125°C
5.3
mA
INPUT CAPACITANCE
CIN
Differential
9.3
pF
Common-Mode
16.7
pF
NOISE PERFORMANCE
Input Voltage Noise Density
en
f = 1 kHz
4.0
nV/√Hz
f = 10 kHz
2.7
nV/√Hz
Total Harmonic Distortion + Noise
THD + N
G = 1, RL = 1kΩ, f = 1 kHz, VIN = 2 V p-p
0.0007
%
FREQUENCY RESPONSE
Gain Bandwidth Product
GBP
27
MHz
Slew Rate
SR
RL = 10 kΩ
8.5
V/s
Settling Time
ts
To 0.1%, VIN = 0 to 1 V step, G = +1
370
ns
Phase Margin
CL = 0 pF
54
degrees