OP281 Analog Devices, OP281 Datasheet - Page 3

• Manufacturer Part Number: OP281
• Description: Ultralow Power, Rail-to-Rail Output Operational Amplifier (Dual)
• Manufacturer: Analog Devices

Specifications of OP281

• -3db Bandwidth: 105kHz
• Slew Rate: 28mV/µs
• Vos: 100µV
• Ib: 3nA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 75nV/rtHz
• Vcc-vee: 2.7V to 12V
• Isy Per Amplifier: 5µA
• Packages: SOIC,SOP

SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
V
Table 1.
Parameter
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
POWER SUPPLY
DYNAMIC PERFORMANCE
NOISE PERFORMANCE
1
V
S
OS
Offset Voltage
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large-Signal Voltage Gain
Offset Voltage Drift
Bias Current Drift
Offset Current Drift
Output Voltage High
Output Voltage Low
Short-Circuit Limit
Power Supply Rejection Ratio
Supply Current/Amplifier
Slew Rate
Turn-On Time
Saturation Recovery Time
Gain Bandwidth Product
Phase Margin
Voltage Noise
Voltage Noise Density
Current Noise Density
= 3.0 V, V
is tested under a no load condition.
CM
= 1.5 V, T
1
A
= 25°C, unless otherwise noted.
Symbol
V
I
GBP
V
I
I
CMRR
A
ΔV
ΔI
ΔI
V
PSRR
I
SR
φ
e
e
i
B
OS
SC
SY
n
n
n
OS
OH
OL
VO
M
B
OS
p-p
OS
/ΔT
/ΔT
/∆T
Condition
−40°C ≤ T
−40°C ≤ T
−40°C ≤ T
V
R
−40°C ≤ T
−40°C to +85°C
R
R
V
V
−40°C ≤ T
R
A
A
0.1 Hz to 10 Hz
f = 1 kHz
L
L
L
L
CM
S
O
V
V
= 100 kΩ to GND, −40°C ≤ T
= 1 MΩ, V
= 100 kΩ to V+, −40°C ≤ T
= 2.7 V to 12 V, −40°C ≤ T
= 100 kΩ, C
= 0 V
= 1, V
= 20, V
Rev. D | Page 3 of 20
= 0 V to 2.0 V, −40°C ≤ T
O
O
A
A
A
A
A
= 1 V
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
= 1 V
O
= 0.3 V to 2.7 V
L
= 50 pF
A
A
A
A
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
Min
0
65
2
2.925
76
5
Typ
3
0.1
95
13
10
20
2
2.96
25
±1.1
95
3
25
40
50
65
95
70
10
75
<1
OP281/OP481
Max
1.5
2.5
10
7
2
75
4
5
Unit
kHz
Degrees
mV
mV
nA
nA
V
dB
V/mV
V/mV
μV/°C
pA/°C
pA/°C
V
mV
mA
dB
μA
μA
V/ms
μs
μs
μs
μV p-p
nV/√Hz
pA/√Hz