Datasheet

Data Sheet ADA4091-2/ADA4091-4
Rev. G | Page 3 of 20
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
V
SY
= ±1.5 V, V
CM
= 0.0 V, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
−250 −40 +250 µV
ADA4091-4 LFCSP package −400 −40 +400 µV
−40°C ≤ T
A
≤ +125°C −600 +600 µV
Offset Voltage Drift ∆V
OS
/∆T 2.5 µV/°C
Input Bias Current
I
B
−55
−44
nA
−40°C ≤ T
A
≤ +85°C −55 +55 nA
−40°C ≤ T
A
≤ +125°C −275 +275 nA
Input Offset Current I
OS
−3 0.5 +3 nA
−40°C ≤ T
A
≤ +85°C −5 +5 nA
−40°C ≤ T
A
≤ +125°C −75 +75 nA
Input Voltage Range −1.5 +1.5 V
Common-Mode Rejection Ratio CMRR V
CM
= −1.35 V to +1.35 V 84 100 dB
−40°C ≤ T
A
≤ +125°C 78 dB
Large Signal Voltage Gain A
VO
R
L
= 100 kΩ, V
O
= −1.2 V to +1.2 V 106 113 dB
−40°C ≤ T
A
≤ +125°C 101 dB
R
L
= 10 kΩ, V
O
= −1.2 V to +1.2 V 92 94 dB
−40°C ≤ T
A
≤ +125°C
85
dB
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 100 kΩ to GND 1.490 1.495 V
−40°C ≤ T
A
≤ +125°C
1.490
V
R
L
= 10 kΩ to GND 1.475 1.485 V
−40°C to +125°C 1.455 V
Output Voltage Low V
OL
R
L
= 100 kΩ to GND −1.499 −1.495 V
−40°C ≤ T
A
≤ +125°C −1.495 V
R
L
= 10 kΩ to GND −1.495 −1.490 V
−40°C ≤ T
A
≤ +125°C −1.490 V
Short-Circuit Limit I
SC
Source/sink ±31 mA
Closed-Loop Impedance Z
OUT
f = 1 MHz, A
V
= 1 102 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
SY
= 2.7 V to 36 V 108 126 dB
−40°C ≤ T
A
≤ +125°C
100
dB
Supply Current per Amplifier I
SY
I
O
= 0 mA 165 200 µA
−40°C ≤ T
A
≤ +125°C 300 µA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 100 kΩ, C
L
= 30 pF 0.46 V/µs
Settling Time t
S
To 0.01% 22 µs
Gain Bandwidth Product GBP 1.22 MHz
Phase Margin Φ
M
69 Degrees
NOISE PERFORMANCE
Voltage Noise e
n
p-p 0.1 Hz to 10 Hz 0.8 µV p-p
Voltage Noise Density e
n
f = 1 kHz 24 nV/√Hz