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PINA241A3IDDFR 数据表(PDF) 6 Page - Texas Instruments

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部件名 PINA241A3IDDFR
功能描述  INA241x ??-V to 110-V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection
PDF  27 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

PINA241A3IDDFR 数据表(HTML) 6 Page - Texas Instruments

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7.5 Electrical Characteristics
at TA = 25 °C, VS = 5 V, VSENSE = VIN+ – VIN–, VCM = VIN– = 48 V, and VREF1 = VREF2 = VS / 2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT
VCM
Common-mode input range
VIN+, VIN- = –4 V to 110 V, VSENSE =0mV
TA = – 40°C to 125°C
–4
110
V
CMRR
Common-mode rejection ratio
VIN+, VIN- = –4 V to 110 V, VSENSE =0 mV
TA = – 40°C to 125°C, INA241A
150
160
dB
VIN+, VIN- = –4 V to 110 V, VSENSE =0 mV
TA = – 40°C to 125°C, INA241B
120
130
dB
f = 50 kHz
93
dB
Vos
Offset voltage, input referred
VSENSE = 0 mV, INA241A1
2
25
µV
VSENSE = 0 mV, INA241A2
2
15
µV
VSENSE = 0 mV, INA241A
2
12
µV
VSENSE = 0 mV, INA241B
25
150
µV
dVos/dT
Offset voltage drift
TA = – 40°C to 125°C, INA241A
50
250
nV/°C
TA = – 40°C to 125°C, INA241B
100
500
nV/°C
PSRR
Power-supply rejection ratio
VS = 2.7 V to 20 V, VSENSE = 0 mV
TA = –40°C to 125°C, INA241A
0.1
1
µV/V
VS = 2.7 V to 20 V, VSENSE = 0 mV
TA = –40°C to 125°C, INA241B
1
10
µV/V
IB
Input bias current
IB+, IB-, VSENSE=0 mV
30
40
50
uA
Reference input range
0
VS
V
OUTPUT
G
Gain
A1, B1 Devices
10
V/V
A2, B2 Devices
20
V/V
A3, B3 Devices
50
V/V
A4, B4 Devices
100
V/V
A5, B5 Devices
200
V/V
GERR
Gain Error
(GND + 50 mV) < VOUT < (VS - 200 mV),
INA241A
0.01
0.05
%
(GND + 50 mV) < VOUT < (VS - 200 mV),
INA241B
0.02
0.1
%
TA = –40°C to +125°C, INA241A
0.1
2.5 ppm/°C
TA = –40°C to +125°C, INA241B
0.2
5 ppm/°C
Non-Linearity Error
0.01
%
Maximum Capacitive Load
No Sustained oscillations, No Isolation
resistor
500
pF
VOLTAGE OUTPUT
Swing to Vs Power Supply Rail
RL = 10 kΩ to GND,TA = –40°C to +125°C
VS − 0.05 VS − 0.2
V/V
Swing to Ground
RL = 10 kΩ to GND, VSENSE = 0 mV,
TA = –40°C to +125°C
5
20
mV
REFERENCE INPUT
RVRR
Reference voltage rejection ratio,input-
referred
VREF1 = VREF2 = 0.5 V to 4.5 V,
TA = –40°C to +125°C
1
5
µV/V
Reference divider accuracy
VOUT = |(VREF1 + VREF2)| / 2 at VSENSE =0
mV, TA = –40°C to +125°C
0.02
0.1
%
FREQUENCY RESPONSE
BW
Bandwidth
All Gains, −3dB Bandwidth
1
MHz
INA241A, INA241B
SBOSA30 – MARCH 2022
www.ti.com
6
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: INA241A INA241B



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