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INA236 Datasheet(PDF) 5 Page - Texas Instruments

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Part # INA236
Description  INA236 48-V, 16-Bit, High-Precision, Current, Voltage, and Power Monitor with an I2C Interface
PDF  32 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

INA236 Datasheet(HTML) 5 Page - Texas Instruments

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6.5 Electrical Characteristics
at TA = 25°C, VS = 3.3 V, VSENSE = VIN+ - VIN- = 0 mV, VIN- = VBUS = 12V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT
VCM
Common-mode input range
TA = –40°C to 125°C
–0.3
48
V
CMRR
Common-mode rejection
VCM = –0.3 V to 48 V, TA = –40°C to
125°C
132
150
dB
Shunt Voltage Input Range
ADCRANGE = 0
–81.9175
81.92
mV
ADCRANGE = 1
–20.4794
20.48
mV
Vos
Shunt Offset Voltage
VCM = 12 V
±10
µV
dVos/dT
Shunt Offset voltage drift
TA = –40°C to +125°C
±0.1
µV/°C
Vos_b
IN- Bus Offset Voltage
±10
mV
dVos_b/dT
IN- Bus Offset voltage drift
±50
µV/°C
PSRR
Power supply rejection ratio
(Current Measurments)
Vs = 1.7 V to 5.5 V, TA = –40°C to 125°C
±0.5
±2.5
µV/V
PSRR_B
Power supply rejection ratio
(Voltage Measurments)
Vs = 1.7 V to 5.5 V, TA = –40°C to 125°C,
VIN- = 50 mV
±0.5
±2.5
mV/V
ZIN-
IN- Input Impedance
Bus Voltage Measurement Mode
1.05
MΩ
IB_SHDWN
Input Leakage
IN+, IN-, Shutdown Mode
0.1
5
nA
IB
Input bias current
IN+, IN-, Current Measurment Mode
0.1
10
nA
DC ACCURACY
RDIFF
Differential Input Impedance
(IN+ to IN-)
Shunt or Current Measurment
Modes, VIN+ - VIN- < 82 mV
140
kΩ
ADC Resolution
TA = –40°C to 125°C
16
Bits
1 LSB step size
Shunt Voltage, ADCRANGE = 0
2.5
µV
Shunt Voltage, ADCRANGE = 1
625
nV
Bus Voltage
1.6
mV
ADC Conversion-time
(TA = –40°C to 125°C)
CT bit = 000
140
154
µs
CT bit = 001
204
224
µs
CT bit = 010
332
365
µs
CT bit = 011
588
646
µs
CT bit = 100
1.100
1.21
ms
CT bit = 101
2.116
2.328
ms
CT bit = 110
4.156
4.572
ms
CT bit = 111
8.244
9.068
ms
GSERR
Shunt voltage gain error
0.015
0.2
%
GS_DRFT
Shunt voltage gain error drift
50 ppm/°C
GBERR
VIN- voltage gain error
0.015
0.2
%
GB_DRFT
VIN- voltage gain error drift
50 ppm/°C
DNL
Differential Non-Linearity
±0.1
LSB
POWER SUPPLY
IQ
Quiescent current
VSENSE = 0 mV
300
400
µA
IQ vs temperature, TA = –40°C to +125°C
600
µA
Shuntdown
2
3
µA
www.ti.com
INA236
SBOSA81 – MAY 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: INA236



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