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INA149 Datasheet(PDF) 4 Page - Texas Instruments

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Part # INA149
Description  High Common-Mode Voltage Difference Amplifier
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

INA149 Datasheet(HTML) 4 Page - Texas Instruments

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INA149
SBOS579A
– SEPTEMBER 2011 – REVISED NOVEMBER 2011
www.ti.com
ELECTRICAL CHARACTERISTICS: V+ = 5 V and V
– = 0 V
At TA = +25°C, RL = 2 kΩ connected to 2.5 V, and VCM= REFA = REFB = 2.5 V, unless otherwise noted.
INA149
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
GAIN
Initial
VOUT = 1.5 V to 3.5 V
1
V/V
Gain error
VOUT = 1.5 V to 3.5 V
±0.005
%FSR
Gain
vs temperature, TA = –40°C to +125°C
±1.5
ppm/
°C
Nonlinearity
±0.0005
%FSR
OFFSET VOLTAGE
350
µV
Initial offset
vs temperature, TA = –40°C to +125°C
3
µV/°C
vs supply (PSRR), VS = 4 V to 5 V
120
dB
INPUT
Differential
800
k
Ω
Impedance
Common-mode
200
k
Ω
Differential
1.5
3.5
V
Voltage range
Common-mode
–20
25
V
At dc, VCM = –20 V to 25 V
100
dB
vs temperature, TA = –40°C to +125°C, at dc
100
dB
Common-mode rejection
At ac, 500 Hz, VCM = 49 VPP
100
dB
At ac, 1 kHz, VCM = 49 VPP
90
dB
OUTPUT
Voltage range
1.5
3.5
V
Short-circuit current
±15
mA
Capacitive load drive
No sustained oscillations
10
nF
OUTPUT NOISE VOLTAGE
0.01 Hz to 10 Hz
20
µVPP
10 kHz
550
nV/
√Hz
DYNAMIC RESPONSE
Small-signal bandwidth
500
kHz
Slew rate
VOUT = 2 VPP step
5
V/
µs
Full-power bandwidth
VOUT = 2 VPP
32
kHz
Settling time
0.01%, VOUT = 2 VPP step
7
µs
POWER SUPPLY
Voltage range
5
V
VS = 5 V
810
µA
Quiescent current
vs temperature, TA = –40°C to +125°C
1
mA
4
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Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): INA149


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