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OPA378 Datasheet(PDF) 3 Page - Texas Instruments

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Part # OPA378
Description  Low Noise, 900kHz, 50mV, Rail-to-Rail Input/Output Precision OPERATIONAL AMPLIFIER Zer첩-Drift Series
PDF  14 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

OPA378 Datasheet(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS: VS = +1.8V to +5.5V
OPA378
OPA2378
SBOS417 – JANUARY 2008
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, and VOUT = VS/2, unless otherwise noted.
OPA378, OPA2378
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
Input Offset Voltage
VOS
15
50
µV
vs Temperature
dVOS/dT
0.1
0.25
µV/°C
vs Power Supply
PSRR
VCM = 0V, VS = +1.8V to +5.5V
2
5
µV/V
over Temperature
VCM = 0V, VS = +1.8V to +5.5V
8
µV/V
Channel Separation, dc
0.1
µV/V
INPUT BIAS CURRENT
Input Bias Current
IB
±150
±500
pA
Input Offset Current
IOS
±1000
pA
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
en
0.4
µV
PP
Input Voltage Noise Density, f = 1kHz
en
20
nV/
√Hz
Input Current Noise, f = 10Hz
in
200
fA/
√Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
VCM
(V–) – 0.1
(V+) + 0.1
V
Common-Mode Rejection Ratio
CMRR
(V–) – 0.1V < VCM < (V+) + 0.1V, VS = 5.5V
100
110
dB
(V–) – 0.1V < VCM < (V+) + 0.1V, VS = 1.8V
94
103
dB
OPEN-LOOP GAIN
Open-Loop Voltage Gain
AOL
50mV < VO < (V+) – 50mV, RL = 100kΩ
110
134
dB
100mV < VO < (V+) – 100mV, RL = 10kΩ
110
130
dB
FREQUENCY RESPONSE
CL = 100pF
Gain-Bandwidth Product
GBW
900
kHz
Slew Rate
SR
G = +1
0.4
V/
µs
Settling Time 0.1%
tD
VS = 5.5V, 2V Step, G = +1
5
µs
Settling Time 0.01%
tD
VS = 5.5V, 2V Step, G = +1
7
µs
Overload Recovery Time
VIN • Gain > VS
4
µs
THD + Noise
THD + N
VS = 5.5V, VO = 3VPP, G = +1, f = 1kHz
0.0012
%
OUTPUT
Voltage Output Swing from Rail
RL = 10kΩ
6
8
mV
over Temperature
RL = 10kΩ
10
mV
Voltage Output Swing from Rail
RL = 100kΩ
0.7
1
mV
over Temperature
RL = 100kΩ
2
mV
Short-Circuit Current
ISC
±10
mA
Capacitive Load Drive
CLOAD
See Typical Characteristics
Open-Loop Output Resistance
RO
See Typical Characteristics
POWER SUPPLY
Specified Voltage Range
VS
1.8
5.5
V
Quiescent Current (per Amplifier)
IQ
IO = 0V, VS = +5.5V
100
125
µA
over Temperature
135
µA
Copyright © 2008, Texas Instruments Incorporated
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Product Folder Link(s): OPA378 OPA2378



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