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| OPA211 Datasheet, PDF (4/9 Pages) Texas Instruments – 1.1nV/Noise, Low Power, Precision Operational Amplifier in Tiny DFN-8 Package | |||
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OPA211
OPA2211
SBOS377A â OCTOBER 2006 â REVISED FEBRUARY 2007
www.ti.com
ELECTRICAL CHARACTERISTICS: VS = ±2.25V to ±18V
BOLDFACE limits apply over the specified temperature range, TA = â40°C to +125°C.
At TA = +25°C and RL = 10kâ¦, unless otherwise noted.
Standard Grade
OPA211A, OPA2211A
PARAMETER
CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
Input Offset Voltage
Drift
vs Power Supply
INPUT BIAS CURRENT
VOS
dVOS/dT
PSRR
±15V
VS = ±2.25V to ±18V
±20
±100
0.35
1
2
Input Bias Current
Over Temperature
IB
VCM = 0V
30
TBD
150
TBD
Offset Current
Over Temperature
IOS
VCM = 0V
10
TBD
100
TBD
NOISE
Input Voltage Noise:
en
f = 0.1Hz to 10Hz
0.1
Voltage Noise Density:
f = 10Hz
2.5
f = 100Hz
1.6
f = 1kHz
1.1
Input Current Noise Density:
in
f = 10Hz
TBD
f = 1kHz
1.5
INPUT VOLTAGE RANGE
Common-Mode Voltage
Range
VCM
(Vâ)+1.8
(V+)â1.4
Common-Mode Rejection
Ratio
CMRR (Vâ)+1.8V < VCM < (V+)â1.4V
114
120
INPUT IMPEDANCE
Differential
1010||TBD
Common-Mode
109|| 2
OPEN-LOOP GAIN
Open-Loop Voltage Gain
AOL (Vâ)+0.2V < VO < (V+)â0.2V,
RL = 10kâ¦
114
120
AOL (Vâ)+0.6V < VO < (V+)â0.6V,
RL = 600â¦
110
114
Over Temperature
(Vâ)+0.6V < VO < (V+)â0.6V,
RL = 600â¦, IO < 25mA
110
114
FREQUENCY RESPONSE
Gain-Bandwidth Product
GBW
G = 100
80
G=1
58
Slew Rate
SR
27
Settling Time, 0.01%
0.0015% (16-bit)
Overload Recovery Time
tS G = â1, 10V Step, CL = 100pF
G = â1, 10V Step, CL = 100pF
G = â1
TBD
TBD
<1
Total Harmonic Distortion +
Noise
THD+N
G = +10, f = 20kHz,
VO = 20VPP, 600â¦
TBD
High Grade
OPA211I, OPA2211I(1)
MIN
TYP
MAX
UNIT
±20
TBD
µV
0.35
µV/°C
TBD
µV/V
30
TBD
10
TBD
TBD
nA
TBD
nA
TBD
nA
TBD
nA
0.1
2.5
1.6
1.1
TBD
1.5
µVPP
nV/âHz
nV/âHz
nV/âHz
pA/âHz
pA/âHz
(Vâ)+1.8
114
(V+)â1.4 V
120
dB
1010 ||TBD
109 || 2
⦠|| pF
⦠|| pF
114
120
114
110
114
80
58
27
TBD
TBD
<1
TBD
dB
dB
dB
MHz
MHz
V/µs
µs
µs
µs
%
(1) Shaded cells indicate different specifications from low-grade version of device.
4
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