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OPA320AIDBVT Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. OPA320AIDBVT
Description  Precision, 20MHz, 0.9pA, Low-Noise, RRIO, CMOS Operational Amplifier with Shutdown
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

OPA320AIDBVT Datasheet(HTML) 3 Page - National Semiconductor (TI)

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OPA320, OPA2320
OPA320S, OPA2320S
www.ti.com
SBOS513E – AUGUST 2010 – REVISED JUNE 2013
ELECTRICAL CHARACTERISTICS: VS = +1.8V to +5.5V or ±0.9V to ±2.75V
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, RL = 10kΩ connected to VS/2, VCM = VS/2, VOUT = VS/2, and SHDN x = VS+, unless otherwise noted.
OPA320, OPA320S, OPA2320, OPA2320S
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
Input offset voltage
VOS
40
150
μV
vs Temperature
dVOS/dT
VS = +5.5V
1.5
5
μV/°C
vs Power supply
PSR
VS = +1.8V to +5.5V
5
20
μV/V
Over temperature
VS = +1.8V to +5.5V
15
μV/V
Channel separation
At 1kHz
130
dB
INPUT VOLTAGE
Common-mode voltage range
VCM
(V–) – 0.1
(V+) + 0.1
V
Common-mode rejection ratio
CMRR
VS = 5.5V, (V–) – 0.1V < VCM < (V+) + 0.1V
100
114
dB
Over temperature
96
dB
INPUT BIAS CURRENT
Input bias current
IB
±0.2
±0.9
pA
TA = –40°C to +85°C
±50
pA
Over temperature
OPA2320, OPA2320S, TA = –40°C to +125°C
±400
pA
OPA320, OPA320S, TA = –40°C to +125°C
±600
pA
Input offset current
IOS
±0.2
±0.9
pA
TA = –40°C to +85°C
±50
pA
Over temperature
TA = –40°C to +125°C
±400
pA
NOISE
Input voltage noise
f = 0.1Hz to 10Hz
2.8
μVPP
f = 1kHz
8.5
nV/
√Hz
Input voltage noise density
en
f = 10kHz
7
nV/
√Hz
Input current noise density
in
f = 1kHz
0.6
fA/
√Hz
INPUT CAPACITANCE
Differential
5
pF
Common-mode
4
pF
OPEN-LOOP GAIN
0.1V < VO < (V+) – 0.1V, RL = 10kΩ
114
132
dB
0.1V < VO < (V+) – 0.1V, RL = 10kΩ
100
130
dB
Open-loop voltage gain
AOL
0.2V < VO < (V+) – 0.2V, RL = 2kΩ
108
123
dB
0.2V < VO < (V+) – 0.2V, RL = 2kΩ
96
130
dB
Phase margin
PM
VS = 5V, CL = 50pF
47
Degrees
FREQUENCY RESPONSE
VS = 5.0V, CL = 50pF
Gain bandwidth product
GBP
Unity gain
20
MHz
Slew rate
SR
G = +1
10
V/
μs
To 0.1%, 2V step, G = +1
0.25
μs
Settling time
tS
To 0.01%, 2V step, G = +1
0.32
μs
To 0.0015%, 2V step, G = +1(1)
0.5
μs
Overload recovery time
VIN × G > VS
100
ns
VO = 4VPP, G = +1, f = 10kHz, RL = 10kΩ
0.0005
%
Total harmonic distortion +
THD+N
noise(2)
VO = 2VPP, G = +1, f = 10kHz, RL = 600Ω
0.0011
%
(1)
Based on simulation.
(2)
Third-order filter; bandwidth = 80kHz at –3dB.
Copyright © 2010–2013, Texas Instruments Incorporated
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Product Folder Links: OPA320 OPA2320 OPA320S OPA2320S


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