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OPA328 Datasheet(PDF) 5 Page - Texas Instruments

Part # OPA328
Description  OPAx328 Precision, 40-MHz, 1.0-pA, Low-Noise, RRIO, CMOS Operational Amplifier With Shutdown
PDF  23 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA328 Datasheet(HTML) 5 Page - Texas Instruments

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6.5 Electrical Characteristics
at TA = 25°C, VS = ±1.1 V to ±2.75 V (VS = 2.2 V to 5.5 V), RL = 10 kΩ connected to VS / 2, VCM = 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
±3
±25
μV
dVOS/dT
Input offset voltage drift TA = –40°C to +125°C
±0.15
±1
μV/°C
PSRR
Power-supply rejection
ratio
VS = ±1.1 V to ±2.75 V
±1
±10
μV/V
VS = ±1.1 V to ±2.75 V, TA = –40°C to +125°C
±15
TBD
Channel separation
(dual, quad)
f = dc
140
dB
f = 100 kHz
75
INPUT BIAS CURRENT
IB
Input bias current
±0.2
±1
pA
TA = 0°C to 85°C
10
TA = –40°C to +125°C
TBD
IOS
Input offset current
±0.2
±1
pA
TA = 0°C to 85°C
TBD
TA = –40°C to +125°C
TBD
NOISE
Input voltage noise
f = 0.1 Hz to 10 Hz
3
μVPP
eN
Input voltage noise
density
f = 100 Hz
25
nV/√Hz
f = 1 kHz
9.8
f = 10 kHz
6.1
iN
Input current noise
f = 10 kHz
0.125
pA/√Hz
INPUT VOLTAGE
VCM
Common-mode voltage
(V–) – 0.1
(V+) + 0.1
V
CMRR
Common-mode
rejection ratio
(V–) – 0.1 V < VCM <
(V+) + 0.1 V
106
120
dB
TA = –40°C to +125°C
96
110
INPUT CAPACITANCE
ZID
Differential
1 || 4
TΩ || pF
ZICM
Common-mode
1 || 2
TΩ || pF
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
(V–) + 100 mV < VO <
(V+) – 100 mV
114
132
dB
TA = –40°C to +125°C
96
130
(V–) + 200 mV < VO <
(V+) – 200 mV,
RL = 2 kΩ
108
123
TA = –40°C to +125°C
90
FREQUENCY RESPONSE
GBW
Gain-bandwidth product Gain = 100
40
MHz
SR
Slew rate
4-V step, gain = +1
30
V/μs
tS
Settling time
To 0.1%, 1-V step, gain = +1
0.1
μs
To 0.01%, 1-V step, gain = +1
0.18
Overload recovery time VIN × gain > VS
0.5
μs
THD+N
Total harmonic
distortion + noise
VO = 1 VRMS, gain = +1, f = 1 kHz
0.0001
%
www.ti.com
OPA2328
SBOS957 – FEBRUARY 2022
Copyright © 2022 Texas Instruments Incorporated
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5
Product Folder Links: OPA2328



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