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OPA211-EP_15 Datasheet, PDF (5/26 Pages) Texas Instruments – 1.1nV/√Hz NOISE, LOW POWER, PRECISION OPERATIONAL AMPLIFIER
◁
OPA211-EP
www.ti.com
6.1 ELECTRICAL CHARACTERISTICS: VS = ±2.25V to ±18V
BOLDFACE limits apply over the specified temperature range, TA = –55°C to +125°C.
At TA = +25°C, RL = 10kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
OFFSET VOLTAGE
Input Offset Voltage
VOS
VS = ±15V
±20
Over Temperature
Drift
dVOS/dT
0.35
vs Power Supply
PSRR
VS = ±2.25V to ±18V
0.1
Over Temperature
INPUT BIAS CURRENT
Input Bias Current
IB
VCM = 0V
±50
Offset Current
IOS
VCM = 0V
±20
NOISE
Input Voltage Noise
en
f = 0.1Hz to 10Hz
80
Input Voltage Noise Density
f = 10Hz
2
f = 100Hz
1.4
f = 1kHz
1.1
Input Current Noise Density
In
f = 10Hz
3.2
f = 1kHz
1.7
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
INPUT IMPEDANCE
VCM
CMRR
VS ≥ ±5V
VS < ±5V
VS ≥ ±5V, (V–) + 2V ≤ VCM ≤ (V+) – 2V
VS < ±5V, (V–) + 2V ≤ VCM ≤ (V+) – 2V
(V–) + 1.8
(V–) + 2
114
120
108
120
Differential
20k || 8
Common-Mode
109 || 2
OPEN-LOOP GAIN
Open-Loop Voltage Gain
Over Temperature
FREQUENCY RESPONSE
AOL
(V–) + 0.2V ≤ VO ≤ (V+) – 0.2V,
RL = 10kΩ
AOL
(V–) + 0.6V ≤ VO ≤ (V+) – 0.6V,
RL = 600Ω
AOL
(V–) + 0.6V ≤ VO ≤ (V+) – 0.6V,
IO ≤ 15mA
AOL
(V–) + 0.6V ≤ VO ≤ (V+)–0.6V,
15mA < IO ≤ 30mA
114
130
110
114
110
103
Gain-Bandwidth Product
GBW
G = 100
80
G=1
45
Slew Rate
SR
27
Settling Time, 0.01%
tS
VS = ±15V, G = –1, 10V Step, CL = 100pF
400
0.0015% (16-bit)
VS = ±15V, G = –1, 10V Step, CL = 100pF
700
Overload Recovery Time
G = –10
500
Total Harmonic Distortion + Noise
THD+N
G = +1, f = 1kHz,
VO = 3VRMS, RL = 600Ω
0.000015
–136
SBOS638 – JUNE 2012
MAX
±100
±180
0.5
3
±200
±150
(V+) – 1.4
(V+) – 1.4
UNIT
μV
µV
μV/°C
μV/V
μV/V
nA
nA
nVPP
nV/√Hz
nV/√Hz
nV/√Hz
pA/√Hz
pA/√Hz
V
V
dB
dB
Ω || pF
Ω || pF
dB
dB
dB
dB
MHz
MHz
V/μs
ns
ns
ns
%
dB
Copyright © 2012, Texas Instruments Incorporated
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