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OPA145 Datasheet(PDF) 6 Page - Texas Instruments

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Part # OPA145
Description  OPAx145 High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers
PDF  42 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA145 Datasheet(HTML) 6 Page - Texas Instruments

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6.6 Electrical Characteristics: VS = 4.5 V to 36 V; ±2.25 V to ±18 V
at TA = 25°C, RL = 10 kΩ connected to midsupply, and VCM = VOUT = midsupply (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
VOS
Offset voltage, RTI
VS = ±18 V
±40
±150
μV
VS = ±18 V, TA = 0°C to +85°C
±280
VS = ±18 V, TA = –40°C to +125°C
±350
dVOS/dT
Drift
VS = ±18 V, TA = 0°C to +85°C
D and DGK Packages
±0.4
±1
μV/°C
VS = ±18 V, TA = 0°C to +85°C
DBV Package
±0.4
±1.2
VS = ±18 V, TA = –40°C to +125°C
D and DGK Packages
±0.5
±1.4
VS = ±18 V, TA = –40°C to +125°C
DBV Package
±0.5
±1.5
PSRR
Power-supply rejection ratio
VS = ±2.25 V to ±18 V
D Package Only
±0.06
±0.3
μV/V
VS = ±2.25 V to ±18 V
DGK and DBV Packages
±0.06
±0.5
VS = ±2.25 V to ±18 V,
TA = –40°C to +125°C
±2
INPUT BIAS CURRENT
IB
Input bias current
±2
±10
pA
TA = 0°C to +85°C
±600
TA = –40°C to +125°C
±10
nA
IOS
Input offset current
±2
±10
pA
TA = 0°C to +85°C
±600
TA = –40°C to +125°C
±10
nA
NOISE
Input voltage noise
f = 0.1 Hz to 10 Hz
320
nVPP
f = 0.1 Hz to 10 Hz
60
nVRMS
en
Input voltage noise density
f = 10 Hz
9
nV/√Hz
f = 100 Hz
7.2
f = 1 kHz
7
In
Input current noise density
f = 1 kHz
0.8
fA/√Hz
INPUT VOLTAGE RANGE
VCM
Common-mode voltage range
TA = –40°C to +125°C
(V–) –0.1
(V+)–3.5
V
CMRR
Common-mode rejection ratio
VS = ±18 V,
VCM = (V–) –0.1 V to (V+) – 3.5 V
126
140
dB
VS = ±18 V,
VCM = (V–) –0.1 V to (V+) – 3.5 V,
TA = –40°C to +125°C
118
INPUT IMPEDANCE
Differential
1013 || 5
Ω || pF
Common-mode
VCM = (V–) –0.1 V to (V+) –3.5 V
1013 || 4.3
OPA145,, OPA2145
SBOS427E – JUNE 2017 – REVISED OCTOBER 2020
www.ti.com
6
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Copyright © 2020 Texas Instruments Incorporated
Product Folder Links: OPA145, OPA2145



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