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OPA2387 데이터시트(PDF) 5 Page - Texas Instruments

부품명 OPA2387
상세설명  OPA2387 Ultra-High Precision, Zero-Drift, Low-Input-Bias-Current Op Amps
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홈페이지  http://www.ti.com
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OPA2387 데이터시트(HTML) 5 Page - Texas Instruments

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6.5 Electrical Characteristics
at TA = 25°C, RL = 10 kΩ connected to VS / 2, VS = 1.7 V to 5.5 V, VCM = VS / 2, VOUT = VS / 2, and min and max specification
established from manufacturing final test (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
VOS
Input offset voltage
TA = –40°C to +125°C(1)
VS = 5.5 V
±1
µV
±1.5
VS = 5.5 V
±0.25
±2
VS = 1.7 V
±0.35
±2.5
VCM = (V–) – 0.1(1)
±2
VCM = (V+) + 0.1(1)
±2
dVOS/dT
Input offset voltage drift TA = –40°C to +125°C(1)
±0.003
±0.012
μV/°C
PSRR
Power supply rejection
ratio
VS = 1.7 V to 5.5 V
±0.05
±0.35
μV/V
TA = –40°C to +125°C(1)
±1
INPUT BIAS CURRENT
IB
Input bias current
±30
±135
pA
TA = –40°C to +125°C(1)
±135
IOS
Input offset current
±60
±270
pA
TA = –40°C to +125°C(1)
±270
NOISE
Input voltage noise
f = 0.1 Hz to 10 Hz
177
nVPP
27
nVRMS
eN
Input voltage noise
density
f = 1 Hz
8.5
nV/√Hz
f = 10 Hz
8.5
f = 100 Hz
8.5
f = 1 kHz
8.5
iN
Input current noise
f = 1 kHz
70
fA/√Hz
INPUT VOLTAGE RANGE
VCM
Common-mode voltage
range
VS = 1.7 V
(V–) – 0.1
(V+)
V
VS = 5.5 V
(V–) – 0.2
(V+) + 0.1
CMRR
Common-mode
rejection ratio
(V–) – 0.1 V < VCM < (V+), VS = 1.7 V
115
138
dB
(V–) – 0.2 V < VCM < (V+) + 0.1 V, VS = 5.5 V
140
150
(V–) – 0.1 V < VCM < (V+), TA = –40°C to +125°C(1)
110
132
(V–) – 0.2 V < VCM < (V+) + 0.1, VS = 5.5 V,
TA = –40°C to +125°C(1)
130
INPUT CAPACITANCE
ZID
Differential
100 || 3
MΩ || pF
ZICM
Common-mode
60 || 3
GΩ || pF
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
(V–) + 100 mV < VOUT <
(V+) – 100 mV,
RL = 10 kΩ
132
145
dB
TA = –40°C to +125°C(1)
125
(V–) + 150 mV < VOUT <
(V+) – 150 mV,
RL = 2 kΩ
132
145
TA = –40°C to +125°C(1)
125
www.ti.com
OPA2387
SBOS984A – NOVEMBER 2020 – REVISED DECEMBER 2020
Copyright © 2020 Texas Instruments Incorporated
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