Datasheet

Data Sheet ADA4084-2
Rev. C | Page 5 of 28
V
SY
= ±15.0 V, V
CM
= 0 V, T
A
= 25°C, unless otherwise noted.
Table 4.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
SOIC package 100 μV
40°C T
A
≤ +125°C 200 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
T 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 15 +15 V
Common-Mode Rejection Ratio CMRR V
CM
= ±14 V 106 124 dB
V
CM
= ±15 V, −40°C ≤ T
A
≤ +125°C 85 dB
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ, −13.5 V ≤ V
O
+13.5 V 110 117 dB
40°C T
A
≤ +125°C 105 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
14.8 14.9 V
40°C ≤ T
A
≤ +125°C
14.8
V
R
L
= 2 kΩ to V
CM
14.5 14.6 V
40°C T
A
≤ +125°C 14.0 V
Output Voltage Low V
OL
R
L
= 10 kΩ to V
CM
14.95 14.9 V
40°C T
A
≤ +125°C 14.8 V
R
L
= 2 kΩ to V
CM
14.9 14.8 V
40°C T
A
≤ +125°C 14.7 V
Short Circuit Current I
SC
±30 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 625 750 µA
40°C T
A
≤ +125°C 1050 µA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 kΩ 2.4 4.6 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 9.9 MHz
Phase Margin Φ
M
86 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
0.1
µV p-p
Voltage Noise Density e
n
f = 1 kHz 3.9 nV/√Hz
Current Noise Density i
n
0.55 pA/√Hz