ADA4950-1/ADA4950-2
Data Sheet
Rev. A | Page 4 of 28
VOCM to VOUT,cm Performance
Table 2.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
VOCM DYNAMIC PERFORMANCE
3 dB Small-Signal Bandwidth
VOUT, cm = 100 mV p-p
250
MHz
3 dB Large-Signal Bandwidth
VOUT, cm = 2 V p-p
105
MHz
Slew Rate
VIN = 1.5 V to 3.5 V, 25% to 75%
430
V/s
Input Voltage Noise (Referred to Input)
f = 1 MHz
9.8
nV/√Hz
VOCM INPUT CHARACTERISTICS
Input Voltage Range
–VS + 1.2 to
+VS – 1.2
V
Input Resistance
22
26
32
k
Input Offset Voltage
V+DIN = VDIN = 0 V
6
+0.8
+6
mV
VOCM CMRR
ΔVOUT, dm/ΔVOCM, ΔVOCM = ±1 V
60
49
dB
Gain
ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V
0.98
1.0
1.01
V/V
General Performance
Table 3.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
POWER SUPPLY
Operating Range
3.0
11
V
Quiescent Current per Amplifier
8.8
9.5
10.1
mA
TMIN to TMAX variation
31
A/°C
Powered down
0.7
1.0
mA
Power Supply Rejection Ratio
ΔVOUT, dm/ΔVS, ΔVS = 1 V p-p
96
84
dB
POWER-DOWN (PD)
PD Input Voltage
Powered down
≤(+VS – 2.5)
V
Enabled
≥(+VS – 1.8)
V
Turn-Off Time
600
ns
Turn-On Time
28
ns
PD Pin Bias Current per Amplifier
Enabled
PD = 5 V
1.0
+0.2
+1.0
A
Disabled
PD = 0 V
250
180
140
A
OPERATING TEMPERATURE RANGE
40
+105
°C