Texas Instruments INA241B3EDRQ1
Manufacturer No:
INA241B3EDRQ1
Manufacturer:
Texas Instruments
Package:
Description:
AEC-Q100, -4V to 110V bidirectional high-precision current sense amp with enhanced PWM rejection
Quantity:
In Stock :8037
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Expected Shipping：Fri, May 29 - Sat, May 30, 2026
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Date Code：Within 2 Years
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INA241B3EDRQ1 Information
Texas Instruments INA241B3EDRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments INA241B3EDRQ1.
- Type
- Parameter
- Product type
- Analog output
- Common-mode voltage (max) (V)
- 110
- Common-mode voltage (min) (V)
- -5
- Input offset (±) (max) (µV)
- 150
- Input offset drift (±) (typ) (µV/°C)
- 0.5
- Voltage gain (V/V)
- 10, 20, 50, 100, 200
- CMRR (min) (dB)
- 120
- Bandwidth (kHz)
- 1100
- Supply voltage (max) (V)
- 20
- Supply voltage (min) (V)
- 2.7
- Type
- Parameter
- Iq (max) (mA)
- 3.2
- Number of channels
- 1
- Comparators (#)
- 0
- Gain error (%)
- 0.1
- Gain error drift (±) (max) (ppm/°C)
- 5
- Slew rate (V/µs)
- 5
- Features
- Bidirectional, Enhanced PWM Rejection, High precision, Low-side Capable
- Rating
- Automotive
- TI functional safety category
- Functional Safety-Capable
- Operating temperature range (°C)
- -40 to 150
Download datasheets and manufacturer documentation for Texas Instruments INA241B3EDRQ1.
Analog Design Journal:
Data sheet:
Application note:
Functional safety information:
The INA241x-Q1 is an ultra-precise, bidirectional current sense amplifier that can measure voltage drops across shunt resistors over a wide common-mode range from –5V to 110V, independent of the supply voltage. The high-precision current measurement is achieved through a combination of low offset voltage (±10µV, maximum), small gain error (±0.01%, maximum) and a high DC CMRR (typical 166dB). The INA241x-Q1 is designed for high voltage, bidirectional measurements in switching systems that see large common-mode voltage transients at the device inputs. The enhanced PWM rejection circuitry inside the INA241x-Q1 provides minimal signal disturbance at the output due to the common-mode voltage transitions at the input.
The INA241x-Q1 operates from a supply of 2.7V to 20V, drawing 2.5mA of supply current. The INA241x-Q1 is available in five gain options: 10V/V, 20V/V, 50V/V, 100V/V, and 200V/V. Multiple gain options allow for optimization between available shunt resistor values and wide output dynamic range requirements.
The INA241x-Q1Grade 1 is specified over operating temperature range of −40°C to 125°C and Grade 0 over operating temperature range of −40°C to 150°C.
- AEC-Q100 qualified for automotive applications:
- Temperature Grade 1: −40°C to 125°C, TA
- Temperature Grade 0: −40°C to 150°C, TA
- Functional Safety-Capable
- Enhanced PWM rejection optimized for systems subject to switching common-mode voltages
- Supports switching frequencies up to 125kHz
- Wide common-mode voltage:
- Operational voltage: −5V to 110V
- Survival voltage: −20V to 120V
- Bidirectional operation
- High small signal bandwidth: 1.1MHz (at all gains)
- Slew rate: 8V/µs
- Step response settling time to 1%: 1µs
- Excellent CMRR
- 166dB DC-CMRR
- 104dB AC-CMRR at 100kHz
- 89dB AC-CMRR at 1MHz
- Accuracy:
- Gain error (maximum)
- Version A: ±0.01%, ±1ppm/°C drift
- Version B: ±0.1%, ±5ppm/°C drift
- Offset voltage (maximum)
- Version A: ±10µV, ±0.1µV/°C drift
- Version B: ±150µV, ±0.5µV/°C drift
- Gain error (maximum)
- Available gains:
- INA241A1-Q1 : 10V/V
- INA241A2-Q1 : 20V/V
- INA241A3-Q1 : 50V/V
- INA241A4-Q1 : 100V/V
- INA241A5-Q1 : 200V/V
- Package options: SOT23-8, VSSOP-8, SOIC-8, VSSOP-10
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