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| OPA2227-EP_13 Datasheet, PDF (3/23 Pages) Texas Instruments – HIGH PRECISION, LOW NOISE OPERATIONAL AMPLIFIER | |||
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OPA2227-EP
www.ti.com
SBOS594A â MARCH 2012 â REVISED NOVEMBER 2012
ELECTRICAL CHARACTERISTICS
At TA = 25°C, VS = ±5 V to ±15 V, RL = 10 kΩ (unless otherwise noted).
PARAMETER
TEST CONDITIONS
OFFSET VOLTAGE
Input offset voltage (VOS)
vs Temperature, TA = -55°C to 125°C
vs Temperature (dVOS/dT), TA = -55°C to 125°C
vs Power supply (PSRR) TA = -55°C to 125°C
vs Time
VS = ±2.5 V to ±18 V
Channel separation (dual)
INPUT BIAS CURRENT
dc
f = 1 kHz, RL = 5 kΩ
Input bias current (IB)
TA = -55°C to 125°C
Input offset current (IOS)
TA = -55°C to 125°C
NOISE
Input voltage noise, f = 0.1 Hz to 10 Hz
Input voltage noise density (en)
Current noise density (in), f = 1 kHz
INPUT VOLTAGE RANGE
Common-mode voltage range (VCM)
TA = -55°C to 125°C
Common-mode rejection (CMRR)
TA = -55°C to 125°C
INPUT IMPEDANCE
Differential
Common-mode
OPEN-LOOP GAIN
Open-loop voltage gain (AOL)
TA = -55°C to 125°C
f = 10 Hz
f = 100 Hz
f = 1 kHz
TA = -55°C to 125°C
FREQUENCY RESPONSE
Gain bandwidth product (GBW)
Slew rate (SR)
Settling time:
0.1%
0.01%
Overload recovery time
Total harmonic distortion + noise (THD+N)
OUTPUT
Voltage output
TA = -55°C to 125°C
TA = -55°C to 125°C
Short-circuit current (ISC)
Capacitive load drive (CLOAD)
POWER SUPPLY
Specified voltage range (VS)
Operating voltage range
Quiescent current (per amplifier) (IQ)
VCM = (Vâ) + 2 V to (V+) â 2 V
Open-loop voltage gain (AOL)
VCM = (Vâ) + 2 V to (V+) â 2 V
VO = (Vâ) + 2 V to (V+) â 2 V, RL = 10 kΩ
VO = (Vâ) + 3.5 V to (V+) â 3.5 V, RL = 600 Ω
G = 1, 10-V Step, CL = 100 pF
G = 1, 10-V Step, CL = 100 pF
VIN x G = VS
f = 1 kHz, G = 1, VO = 3.5 Vrms
RL = 10 kΩ
RL = 600 Ω
IO = 0 A
MIN
TYP
MAX UNIT
±5
±100
µV
±10
±250
µV
±0.1
µV/°C
±0.5
±2.1 µV/V
0.2
µV/mo
0.2
µV/V
110
dB
±2.5
±10
nA
See Typical Characteristics
±2.5
±10
nA
See Typical Characteristics
90
nVp-p
15
nVrms
3.5
nV/âHz
3
nV/âHz
3
nV/âHz
0.4
pA/âHz
(V-) + 2
120
108
(V+) â 2
V
138
dB
138
dB
107 || 12
109 || 3
Ω || pF
Ω || pF
132
160
112
160
dB
132
160
112
160
8
2.3
5
5.6
1.3
0.00005
MHz
V/µs
µs
µs
µs
%
(V-) + 2
(V+) â 2
V
(V-) + 3.5
(V+) â 3.5
±45
mA
See Typical Characteristics
±5
±15
V
±2.5
±18
V
±3.7
±3.95
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: OPA2227-EP
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