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| OPA322-Q1_17 Datasheet, PDF (9/39 Pages) Texas Instruments – 20-MHz, Low-Noise, 1.8-V, RRI/O, CMOS Operational Amplifier | |||
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OPA322-Q1
OPA2322-Q1
OPA4322-Q1
SLOS856B â JUNE 2013 â REVISED MAY 2017
6.7 Electrical Characteristics
at VS = 1.8 V to 5.5 V, or ±0.9 V to ±2.75 V, TA = 25°C, RL = 10 kΩ connected to VS / 2, VCM = VS / 2, VOUT = VS / 2, (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
OFFSET VOLTAGE
VOS
Input offset voltage
dVOS/dT vs temperature
PSR
vs power supply
Channel separation
VS = 5.5 V
VS = 1.8 V to 5.5 V
at 1 kHz
TA = 25°C
TA = â40°C to 125°C
0.5
2 mV
1.8
6 μV/°C
10
50
μV/V
20
65
130
dB
INPUT VOLTAGE
VCM
Common-mode voltage
range
(Vâ) â 0.1
(V+) + 0.1 V
CMRR
Common-mode rejection
ratio
(Vâ) â 0.1 V < VCM < (V+) + 0.1 V
TA = 25°C
TA = â40°C to 125°C
90
100
90
dB
INPUT BIAS CURRENT
IB
Input bias current
IOS
Input offset current
NOISE
TA = 25°C
TA = â40°C to 85°C
OPA322-Q1:
TA = â40°C to 125°C
OPA2322-Q1:
TA = â40°C to 125°C
OPA4322-Q1:
TA = â40°C to 125°C
TA = 25°C
TA = â40°C to 85°C
TA = â40°C to 125°C
±0.2
±10
±50
±800
pA
±400
±400
±0.2
±10
±50 pA
±400
Input voltage noise
f = 0.1 Hz to 10 Hz
f = 1 kHz
en
Input voltage noise density
f = 10 kHz
4.5
μVPP
8.5
nV/âHz
7
in
Input current noise density
INPUT CAPACITANCE
f = 1 kHz
0.6
fA/âHz
Differential
5
pF
Common-mode
4
pF
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
PM
Phase margin
FREQUENCY RESPONSE
0.1 V < VO < (V+) â 0.1 V
RL = 10 kΩ
VS = 5 V
CL = 50 pF
100
130
dB
47
°
GBP
SR
Gain bandwidth product
Slew rate
tS
Settling time
Overload recovery time
THD+N
Total harmonic distortion +
noise (1)
VS = 5 V
CL = 50 pF, unity gain
VS = 5 V
CL = 50 pF, G = 1
VS = 5 V
CL = 50 pF, to 0.1%, 2-V step, G = 1
VS = 5 V
CL = 50 pF, to 0.01%, 2-V step, G = 1
VS = 5 V
CL = 50 pF
VIN Ã G > VS
VS = 5 V
CL = 50 pF
VO = 4 VPP, G = 1, f = 10 kHz
RL = 10 kΩ
VS = 5 V, CL = 50 pF, VO = 2 VPP, G = 1, f = 10 kHz
RL = 600 Ω
20
10
0.25
0.32
100
0.0005%
0.0011%
MHz
V/μs
μs
ns
(1) Third-order filter; bandwidth = 80 kHz at â3 dB
Copyright © 2013â2017, Texas Instruments Incorporated
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Product Folder Links: OPA322-Q1 OPA2322-Q1 OPA4322-Q1
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