ADA4950-1 Datasheet, PDF (6/28 Pages) Analog Devices – Low Power, Selectable Gain Differential ADC Driver, G = 1, 2, 3

ADA4950-1/ADA4950-2
V_OCM to V_{OUT, cm} Performance
Table 5.
Parameter
Test Conditions/Comments
Min
VOCM DYNAMIC PERFORMANCE
−3 dB Small-Signal Bandwidth
VOUT, cm = 100 mV p-p
−3 dB Large-Signal Bandwidth
VOUT, cm = 2 V p-p
Slew Rate
VIN = 1.5 V to 3.5 V, 25% to 75%
Input Voltage Noise (Referred to Input) f = 1 MHz
VOCM INPUT CHARACTERISTICS
Input Voltage Range
Input Resistance
Input Offset Voltage
VOCM CMRR
Gain
V+DIN = V−DIN = 2.5 V
ΔVOUT, dm/ΔVOCM, ΔVOCM = ±1 V
ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V
22
−6.5
0.98
General Performance
Table 6.
Parameter
POWER SUPPLY
Operating Range
Quiescent Current per Amplifier
Power Supply Rejection Ratio
POWER-DOWN (PD)
PD Input Voltage
Turn-Off Time
Turn-On Time
PD Pin Bias Current per Amplifier
Enabled
Disabled
OPERATING TEMPERATURE RANGE
Test Conditions/Comments
Min
3.0
8.4
TMIN to TMAX variation
Powered down
ΔVOUT, dm/ΔVS, ΔVS = 1 V p-p
Powered down
Enabled
PD = 5 V
PD = 0 V
−1.0
−100
−40
Typ
Max
240
90
380
9.8
–VS + 1.2 to
+VS – 1.2
26
32
+1.0
+6.5
−60
−49
1.0
1.01
Typ
Max
11
8.9
9.6
31
0.6
0.9
−96
−84
≤(+VS – 2.5)
≥(+VS – 1.8)
600
29
+0.2
+1.0
−65
−40
+105
Unit
MHz
MHz
V/μs
nV/√Hz
V
kΩ
mV
dB
V/V
Unit
V
mA
μA/°C
mA
dB
V
V
ns
ns
μA
μA
°C
Rev. 0 | Page 6 of 28