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INA240A4PWR Datasheet(PDF) 5 Page - Texas Instruments

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Part # INA240A4PWR
Description  High- and Low-Side, Bidirectional, Zero-Drift, Current-Sense Amplifier with Enhanced PWM Rejection
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

INA240A4PWR Datasheet(HTML) 5 Page - Texas Instruments

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5
INA240
www.ti.com
SBOS662A – JULY 2016 – REVISED OCTOBER 2016
Product Folder Links: INA240
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
(1)
See Figure 13.
(2)
See the Input Signal Bandwidth section for more details.
7.5 Electrical Characteristics
at TA = 25 °C, VS = 5 V, VSENSE = VIN+ – VIN–, VCM = 12 V, and VREF1 = VREF2 = VS / 2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT
VCM
Common-mode input range
VIN+ = –4 V to 80 V, VSENSE = 0 mV,
TA = – 40°C to +125°C
–4
80
V
CMRR
Common-mode rejection ratio
VIN+ = –4 V to 80 V, VSENSE = 0 mV,
TA = –40°C to +125°C
120
132
dB
f = 50 kHz
93
VOS
Offset voltage, input-referred
VSENSE = 0 mV
±5
±25
µV
dVOS/dT
Offset voltage drift
VSENSE = 0 mV, TA = –40°C to +125°C
±50
±250
nV/°C
PSRR
Power-supply rejection ratio
VS = 2.7 V to 5.5 V, VSENSE = 0 mV,
TA = –40°C to +125°C
±1
±10
µV/V
IB
Input bias current
IB+, IB–, VSENSE = 0 mV
90
µA
Reference input range
0
VS
V
OUTPUT
G
Gain
INA240A1
20
V/V
INA240A2
50
INA240A3
100
INA240A4
200
Gain error
GND + 50 mV
≤ VOUT ≤ VS – 200 mV
±0.05%
±0.20%
TA = –40°C to +125°C
±0.5
±2.5
ppm/°C
Non-linearity error
GND + 10 mV
≤ VOUT ≤ VS – 200 mV
±0.01%
Reference divider accuracy
VOUT = |(VREF1 – VREF2)| / 2 at VSENSE =
0 mV, TA = –40°C to +125°C
0.02%
0.1%
RVRR
Reference voltage rejection ratio
(input-referred)
INA240A1
20
µV/V
INA240A3
5
INA240A2, INA240A4
2
Maximum capacitive load
No sustained oscillation
1
nF
VOLTAGE OUTPUT(1)
Swing to VS power-supply rail
RL = 10 kΩ to GND,
TA = –40°C to +125°C
VS – 0.05
VS – 0.2
V
Swing to GND
RL = 10 kΩ to GND, VSENSE = 0 mV,
VREF1 = VREF2 = 0 V, TA = –40°C to
+125°C
VGND + 1
VGND + 10
mV
FREQUENCY RESPONSE
BW
Bandwidth
All gains, –3-dB bandwidth
400
kHz
All gains, 2% THD+N(2)
100
Settling time - output settles to 0.5% of
final value
INA240A1
9.6
µs
INA240A4
9.8
SR
Slew rate
2
V/µs
NOISE (Input Referred)
Voltage noise density
40
nV/
√Hz
POWER SUPPLY
VS
Operating voltage range
TA = –40°C to +125°C
2.7
5.5
V
IQ
Quiescent current
VSENSE = 0 mV
1.8
2.4
mA
IQ vs temperature, TA = –40°C to
+125°C
2.6
TEMPERATURE RANGE
Specified range
–40
125
°C


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