Data Sheet
ADA4940-1/ADA4940-2
Rev. C | Page 5 of 32
VOCM to VOUT,cm Performance
Table 4.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
VOCM DYNAMIC PERFORMANCE
3 dB Small Signal Bandwidth
VOUT, cm = 0.1 V p-p
36
MHz
3 dB Large Signal Bandwidth
VOUT, cm = 1 V p-p
29
MHz
Slew Rate
VOUT, cm = 1 V p-p
52
V/s
Input Voltage Noise
f = 100 kHz
83
nV/√Hz
Gain
ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V
0.99
1
1.01
V/V
VOCM CHARACTERISTICS
Input Common-Mode Voltage Range
VS + 0.8 to
+VS 0.7
V
Input Resistance
250
k
Offset Voltage
VOS, cm = VOUT, cm VOCM; VIP = VIN = VOCM = 0 V
6
±1
+6
mV
Input Offset Voltage Drift
TMIN to TMAX
20
V/°C
Input Bias Current
7
+4
+7
A
CMRR
ΔVOS,dm/ΔVOCM, ΔVOCM = ±1 V
86
100
dB
General Performance
Table 5.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
POWER SUPPLY
Operating Range
LFCSP
3
7
V
SOIC
3
6
V
Quiescent Current per Amplifier
Enabled
1.05
1.25
1.38
mA
Quiescent Current Drift
TMIN to TMAX
4.25
A/°C
Disabled
13.5
28.5
A
+PSRR
ΔVOS, dm/ΔVS, ΔVS = 1 V p-p
80
90
dB
PSRR
ΔVOS, dm/ΔVS, ΔVS = 1 V p-p
80
96
dB
DISABLE (DISABLE PIN)
DISABLE Input Voltage
Disabled
≤(VS + 1)
V
Enabled
≥(VS + 1.8)
V
Turn-Off Time
10
s
Turn-On Time
0.6
s
DISABLE Pin Bias Current per Amplifier
Enabled
DISABLE = +2.5 V
2
5
A
Disabled
DISABLE = 2.5 V
10
5
A
OPERATING TEMPERATURE RANGE
40
+125
°C