Datasheet

Data Sheet ADA4940-1/ADA4940-2
Rev. C | Page 7 of 32
V
OCM
to V
OUT, cm
Performance
Table 7.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
V
OCM
DYNAMIC PERFORMANCE
−3 dB Small Signal Bandwidth V
OUT, cm
= 0.1 V p-p 36 MHz
−3 dB Large Signal Bandwidth V
OUT, cm
= 1 V p-p 26 MHz
Slew Rate V
OUT, cm
= 1 V p-p 48 V/µs
Input Voltage Noise f = 100 kHz 92 nV/√Hz
Gain ΔV
OUT, cm
/ΔV
OCM
, ΔV
OCM
= ±0.25 V 0.99 1 1.01 V/V
V
OCM
CHARACTERISTICS
Input Common-Mode Voltage Range −V
S
+ 0.8 to
+V
S
− 0.7
V
Input Resistance 250 kΩ
Offset Voltage V
OS, cm
= V
OUT, cm
− V
OCM
; V
IP
= V
IN
= V
OCM
= 1.5 V −7 ±1 +7 mV
Input Offset Voltage Drift T
MIN
to T
MAX
20 µV/°C
Input Bias Current −5 +1 +5 µA
CMRR ΔV
OS,dm
/ΔV
OCM
, ΔV
OCM
= ±0.25 V 80 100 dB
General Performance
Table 8.
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 1.18 1.33 mA
T
MIN
to T
MAX
4.25 µA/°C
Disabled 7 22 µA
+PSRR ΔV
OS, dm
/ΔV
S
, ΔV
S
= 0.25 V p-p 80 90 dB
−PSRR ΔV
OS, dm
/ΔV
S
, ΔV
S
= 0.25 V p-p 80 96 dB
DISABLE (
DISABLE
PIN)
DISABLE
Input Voltage Disabled ≤(−V
S
+ 1) V
Enabled ≥(−V
S
+ 1.8) V
Turn-Off Time 16 µs
Turn-On Time 0.6 µs
DISABLE
Pin Bias Current per Amplifier
Enabled
DISABLE
= +3 V 0.3 1 µA
Disabled
DISABLE
= 0 V −6 −3 µA
OPERATING TEMPERATURE RANGE −40 +125 °C