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OPA388 Datasheet(PDF) 6 Page - Texas Instruments

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Part # OPA388
Description  OPAx388-Q1 Automotive, Precision, Zero-Drift, Zero-Crossover, True Rail-to-Rail, Input/Output Operational Amplifiers
PDF  34 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA388 Datasheet(HTML) 6 Page - Texas Instruments

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6.6 Electrical Characteristics
at TA = 25°C, VCM = VOUT = VS / 2, VS = ±1.25 V to ±2.75 V (2.5 V to 5.5 V), and RLOAD = 10 kΩ connected to VS / 2 (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
VOS
Input offset voltage
OPA388-Q1
±0.25
±5
µV
OPA2388-Q1
±1.5
±5
TA = –40°C to +125°C
±7.5
dVOS/dT
Input offset voltage drift
TA = –40°C to +125°C
±0.005
±0.05
µV/°C
PSRR
Power-supply rejection ratio TA = –40°C to +125°C
±0.1
±1
µV/V
INPUT BIAS CURRENT
IB
Input bias current
RIN = 100 kΩ
±30
±350
pA
TA = 0°C to +85°C
±400
TA = –40°C to +125°C
±700
IOS
Input offset current
RIN = 100 kΩ
±700
pA
TA = 0°C to +85°C
±800
TA = –40°C to +125°C
±800
NOISE
EN
Input voltage noise
f = 0.1 Hz to 10 Hz
0.14
µVPP
eN
Input voltage noise density
f = 10 Hz
7
nV/√Hz
f = 100 Hz
7
f = 1 kHz
7
f = 10 kHz
7
IN
Input current noise density
f = 1 kHz
100
fA/√Hz
INPUT VOLTAGE
VCM
Common-mode voltage
range
(V–) – 0.1
(V+) + 0.1
V
CMRR
Common-mode rejection
ratio
(V–) – 0.1 V < VCM < (V+) + 0.1 V
VS = ±1.25 V
124
138
dB
VS = ±2.75 V
124
140
(V–) < VCM < (V+) + 0.1 V,
TA = –40°C to +125°C
VS = ±1.25 V
114
134
(V–) – 0.05 V < VCM < (V+) + 0.1 V,
TA = –40°C to +125°C
VS = ±2.75 V
124
140
INPUT IMPEDANCE
zid
Differential input
impedance
100 || 2
MΩ || pF
zic
Common-mode input
impedance
60 || 4.5
TΩ || pF
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
(V–) + 0.15 V < VO < (V+) – 0.15 V
126
148
dB
TA = –40°C to +125°C
120
126
(V–) + 0.25 V < VO < (V+) – 0.25 V,
RLOAD = 2 kΩ
126
148
(V–) + 0.30 V < VO < (V+) – 0.30 V,
RLOAD = 2 kΩ
TA = –40°C to +125°C
120
148
OPA388-Q1, OPA2388-Q1
SBOS989A – AUGUST 2020 – REVISED NOVEMBER 2021
www.ti.com
6
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: OPA388-Q1 OPA2388-Q1



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