OP281 Analog Devices, OP281 Datasheet - Page 5

• 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

V
Table 3.
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
Large-Signal Voltage Gain
Offset Voltage Drift
Bias Current Drift
Offset Current Drift
Output Voltage Swing
Short-Circuit Limit
Power Supply Rejection Ratio
Supply Current/Amplifier
Slew Rate
Gain Bandwidth Product
Phase Margin
Voltage Noise
Voltage Noise Density
Current Noise Density
= ±5.0 V, T
is tested under a no load condition.
A
= +25°C, unless otherwise noted.
1
Symbol
V
I
I
CMRR
A
ΔV
ΔI
ΔI
V
I
PSRR
I
SR
GBP
φ
e
e
i
B
OS
SC
SY
n
n
n
OS
O
VO
M
B
OS
p-p
OS
/ΔT
/ΔT
/ΔT
Condition
–40°C ≤ T
–40°C ≤ T
–40°C ≤ T
V
R
–40°C ≤ T
–40°C to +85°C
R
V
V
–40°C ≤ T
R
0.1 Hz to 10 Hz
f = 1 kHz
f = 10 kHz
CM
L
L
S
O
L
= 1 MΩ, V
= 100 kΩ to GND, –40°C ≤ T
= 100 kΩ, C
= ±1.35 V to ±6 V, –40°C ≤ T
= 0 V
= –5.0 V to +4.0 V, –40°C ≤ T
Rev. D | Page 5 of 20
A
A
A
A
A
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
≤ +85°C
O
= ±4.0 V,
L
= 50 pF
A
A
A
≤ +85°C
≤ +85°C
≤ +85°C
Min
–5
65
5
±4.925
76
2
Typ
0.1
3
0.1
95
13
10
20
2
±4.98
12
95
3.3
28
105
75
10
85
75
<1
OP281/OP481
Max
1.5
2.5
10
7
+4
5
6
Unit
mV
mV
nA
nA
V
dB
V/mV
V/mV
μV/°C
pA/°C
pA/°C
V
mA
dB
μA
μA
V/ms
kHz
Degrees
μV p-p
nV/√Hz
nV/√Hz
pA/√Hz