Datasheet

ADA4938-1/ADA4938-2
Rev. A | Page 6 of 28
V
OCM
to ±OUT Performance
Table 4.
Parameter Conditions Min Typ Max Unit
V
OCM
DYNAMIC PERFORMANCE
−3 dB Bandwidth 400 MHz
Slew Rate V
IN
= 1.6 V to 3.4 V, 25% to 75% 1700 V/μs
Input Voltage Noise (RTI) 7.5 nV/√Hz
V
OCM
INPUT CHARACTERISTICS
Input Voltage Range −V
S
+ 1.3 to +V
S
− 1.3 V
Input Resistance 10 kΩ
Input Offset Voltage V
OS, cm
= V
OUT, cm
; V
DIN+
= V
DIN–
= V
OCM
= 2.5 V 3 mV
Input Bias Current 0.5 μA
V
OCM
CMRR ∆V
OUT, dm
/∆V
OCM
; ∆V
OCM
= ±1 V −89 dB
Gain ∆V
OUT, cm
/∆V
OCM
; ∆V
OCM
= ±1 V 0.95 1.00 1.05 V/V
POWER SUPPLY
Operating Range 4.5 11 V
Quiescent Current 34 36.5 mA
T
MIN
to T
MAX
variation 40 μA/°C
Powered down 1.0 1.7 mA
Power Supply Rejection Ratio ∆V
OUT, dm
/∆V
S
; ∆V
S
= ±1 V −80 dB
POWER DOWN (PD)
PD Input Voltage
Powered down ≤2.5 V
Enabled ≥3 V
Turn-Off Time 1 μs
Turn-On Time 200 ns
PD Bias Current
Enabled
PD
= 5 V
1 μA
Disabled
PD
= 0 V
−260 μA
OPERATING TEMPERATURE RANGE −40 +85 °C