ADA4084-1 Datasheet, PDF (4/35 Pages) Analog Devices – 30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Amplifiers

ADA4084-1/ADA4084-2/ADA4084-4
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VSY = 3 V, VCM = 1.5 V, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
Offset Voltage Drift
Offset Voltage Matching
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
Input Impedance
Differential
Common Mode
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Short-Circuit Current
Closed-Loop Output Impedance
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current per Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Unity-Gain Crossover
Phase Margin
−3 dB Closed-Loop Bandwidth
Settling Time
Total Harmonic Distortion Plus Noise
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
Current Noise Density
Symbol Test Conditions/Comments
VOS
Δt/ΔT
IB
IOS
SOIC package
−40°C ≤ TA ≤ +125°C
SOT-23, MSOP, TSSOP packages
−40°C ≤ TA ≤ +125°C
ADA4084-2 LFCSP package
−40°C ≤ TA ≤ +125°C
−40°C ≤ TA ≤ +125°C
TA = 25°C
ADA4084-4 LFCSP package
−40°C ≤ TA ≤ +125°C
−40°C ≤ TA ≤ +125°C
CMRR
AVO
VCM = 0 V to 3 V
−40°C ≤ TA ≤ +125°C
RL = 2 kΩ, 0.5 V ≤ VOUT ≤ 2.5 V
−40°C ≤ TA ≤ +125°C
VOH
RL = 10 kΩ to VCM
−40°C ≤ TA ≤ +125°C
RL = 2 kΩ to VCM
−40°C ≤ TA ≤ +125°C
VOL
RL = 10 kΩ to VCM
−40°C ≤ TA ≤ +125°C
RL = 2 kΩ to VCM
−40°C ≤ TA ≤ +125°C
ISC
ZOUT
f = 1 kHz, AV = 1
PSRR
ISY
VSY = ±1.25 V to ±1.75 V
−40°C ≤ TA ≤ +125°C
IOUT = 0 mA
−40°C ≤ TA ≤ +125°C
SR
GBP
UGC
ΦM
−3 dB
tS
THD + N
RL = 2 kΩ
VIN = 5 mV p-p, RL = 10 kΩ, AV = 100
VIN = 5 mV p-p, RL = 10 kΩ, AV = 1
AV = 1, VIN = 5 mV p-p
AV = 10, VIN = 2 V p-p, 0.1%
VIN = 300 mV rms, RL = 2 kΩ, f = 1 kHz
en p-p
en
in
0.1 Hz to 10 Hz
f = 1 kHz
f = 1 kHz
Rev. H | Page 4 of 35
Data Sheet
Min Typ
Max Unit
20
50
80
0.5
140
5
0
64 88
60
100 104
97
100 µV
200 µV
130 µV
250 µV
200 µV
300 µV
1.75 µV/°C
150 µV
200 µV
250 nA
400 nA
25
nA
50
nA
3
V
dB
dB
dB
dB
100||1.1
80||2.9
kΩ||pF
MΩ||pF
2.90 2.95
V
2.80
V
2.85 2.9
V
2.70
V
10
20
mV
40
mV
20
30
mV
50
mV
−17/+10
mA
0.1
Ω
100 110
90
0.565
dB
dB
0.650 mA
0.950 mA
2.0 2.6
15.4
8.08
86
12.3
4
0.009
V/µs
MHz
MHz
Degrees
MHz
µs
%
0.14
µV p-p
3.9
nV/√Hz
0.55
pA/√Hz