Datasheet

ADA4084-2 Data Sheet
Rev. C | Page 4 of 28
V
SY
= ±5.0 V, V
CM
= 0 V, T
A
= 25°C, unless otherwise noted.
Table 3.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
SOIC package 100 μV
−40°C ≤ T
A
≤ +125°C 250 μV
MSOP package
130
μV
−40°C ≤ T
A
≤ +125°C 250 μV
LFCSP package 200 μV
−40°C ≤ T
A
≤ +125°C 300 μV
Offset Voltage Drift ΔV
OS
/ΔT −40°C ≤ T
A
≤ +125°C 0.5 1.75 μV/°C
Offset Voltage Matching
Channel A vs. Channel B, T
A
= 25°C
150
μV
Input Bias Current I
B
140 300 nA
−40°C ≤ T
A
≤ +125°C 450 nA
Input Offset Current I
OS
25 nA
−40°C ≤ T
A
≤ +125°C 50 nA
Input Voltage Range −5 +5 V
Common-Mode Rejection Ratio CMRR V
CM
= ±4 V 106 124 dB
V
CM
= ±5 V, −40°C ≤ T
A
≤ +125°C 76 dB
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ, −4 V ≤ V
O
≤ 4 V 108 112 dB
R
L
= 2 kΩ, −40°C ≤ T
A
≤ +125°C 103 dB
Input Impedance, Differential 100||1.1 kΩ||pF
Input Impedance, Common-Mode 200||2.5 MΩ||pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 10 kΩ to V
CM
4.9 4.95 V
−40°C ≤ T
A
≤ +125°C
4.8
V
R
L
= 2 kΩ to V
CM
4.8 4.85 V
−40°C ≤ T
A
≤ +125°C 4.7 V
Output Voltage Low V
OL
R
L
= 10 kΩ to V
CM
−4.95 −4.9 V
−40°C ≤ T
A
≤ +125°C −4.8 V
R
L
= 2 kΩ to V
CM
−4.95 −4.8 V
−40°C ≤ T
A
≤ +125°C −4.7 V
Short Circuit Current I
SC
−24/+17 mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
V
SY
= ±2 V to ±18 V
110
120
dB
−40°C ≤ T
A
≤ +125°C 105 dB
Supply Current/Amplifier I
SY
I
O
= 0 mA 595 700 µA
−40°C ≤ T
A
≤ +125°C 1000 µA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 kΩ to V
CM
2.4 3.7 V/µs
Gain Bandwidth Product GBP V
IN
= 5 mV p-p, R
L
= 10 kΩ, A
V
= 100 15.9 MHz
Unity-Gain Crossover UGC V
IN
= 5 mV p-p, R
L
= 10 kΩ, A
V
= 1 9.6 MHz
Phase Margin Φ
M
85 Degrees
−3 dB Closed-Loop Bandwidth −3 dB A
V
= 1, V
IN
= 5 mV p-p 13.9 MHz
NOISE PERFORMANCE
Voltage Noise
e
n
p-p
0.1 Hz to 10 Hz
0.14
µV p-p
Voltage Noise Density e
n
f = 1 kHz 3.9 nV/√Hz
Current Noise Density i
n
0.55 pA/√Hz