Data Sheet
AD8031/AD8032
Rev. G | Page 3 of 20
SPECIFICATIONS
+2.7 V SUPPLY
@ TA = 25°C, VS = 2.7 V, RL = 1 kΩ to 1.35 V, RF = 2.5 kΩ, unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth
G = +1, VO < 0.4 V p-p
54
80
54
80
MHz
Slew Rate
G = 1, VO = 2 V step
25
30
25
30
V/s
Settling Time to 0.1%
G = 1, VO = 2 V step, CL = 10 pF
125
ns
DISTORTION/NOISE PERFORMANCE
Total Harmonic Distortion
fC = 1 MHz, VO = 2 V p-p, G = +2
62
dBc
fC = 100 kHz, VO = 2 V p-p, G = +2
86
dBc
Input Voltage Noise
f = 1 kHz
15
nV/√Hz
Input Current Noise
f = 100 kHz
0.4
pA/√Hz
f = 1 kHz
5
pA/√Hz
f = 5 MHz
60
dB
DC PERFORMANCE
Input Offset Voltage
VCM = VCC/2; VOUT = 1.35 V
±1
±6
±0.5
±1.5
mV
TMIN to TMAX
±6
±10
±1.6
±2.5
mV
Offset Drift
VCM = VCC/2; VOUT = 1.35 V
10
V/°C
Input Bias Current
VCM = VCC/2; VOUT = 1.35 V
0.45
2
0.45
2
A
TMIN to TMAX
2.2
A
Input Offset Current
50
500
50
500
nA
Open-Loop Gain
VCM = VCC/2; VOUT = 0.35 V to 2.35 V
76
80
76
80
dB
TMIN to TMAX
74
dB
INPUT CHARACTERISTICS
Common-Mode Input Resistance
40
MΩ
Differential Input Resistance
280
kΩ
Input Capacitance
1.6
pF
Input Voltage Range
0.5 to
+3.2
0.5 to
+3.2
V
Input Common-Mode Voltage Range
0.2 to
+2.9
0.2 to
+2.9
V
Common-Mode Rejection Ratio
VCM = 0 V to 2.7 V
46
64
46
64
dB
VCM = 0 V to 1.55 V
58
74
58
74
dB
Differential Input Voltage
3.4
V
OUTPUT CHARACTERISTICS
Output Voltage Swing Low
RL = 10 kΩ
0.05
0.02
0.05
0.02
V
Output Voltage Swing High
2.6
2.68
2.6
2.68
V
Output Voltage Swing Low
RL = 1 kΩ
0.15
0.08
0.15
0.08
V
Output Voltage Swing High
2.55
2.6
2.55
2.6
V
Output Current
15
mA
Short Circuit Current
Sourcing
21
mA
Sinking
34
mA
Capacitive Load Drive
15
pF
POWER SUPPLY
Operating Range
2.7
12
2.7
12
V
Quiescent Current per Amplifier
750
1250
750
1250
μA
Power Supply Rejection Ratio
VS = 0 V to 1 V or
VS+ = +2.7 V to +3.7 V
75
86
75
86
dB