DIA2240DTP8 datasheet(1/22 Pages) DIOO

Part #	DIA2240DTP8

Description	Voltage Output, Bidirectional, Zero-Drift Series Current-Shunt Monitors with Enhanced PWM Rejection

PDF	22 Pages

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Manufacturer	DIOO [DIOO MICROCIRCUITS CO., LTD]

Direct Link	https://www.dioo.com/#/

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DIA2240

Version 1.1, Apr 2026

www.dioo.com

I

Voltage Output, Bidirectional, Zero-Drift Series

Current-Shunt Monitors with Enhanced PWM Rejection



Features



AEC-Q100 qualified

−

Device ambient temperature:

−

-40°C ≤ TA ≤ 125°C

−

Device junction temperature:

−

-40°C ≤ TJ ≤ 150°C



Enhanced PWM rejection



Wide supply range:

−

Single power supply: 2.7 V to 5.5 V

−

Common-mode range: -4 V to 110 V



Accuracy：

−

Low input offset voltage: ±5 µV (Typ)

−

Offset drift: 50 nV/°C (Typ)

−

Gain error: ±0.05%

−

Gain drift: ±0.5 ppm/°C (Typ)



Unity gain bandwidth:

−

400 kHz (DIA2240A)

−

360 kHz (DIA2240B)

−

360 kHz (DIA2240C)



Choice of gain：

−

DIA2240A: 20 V/V

−

DIA2240B: 50 V/V

−

DIA2240C: 100 V/V

−

DIA2240D: 200 V/V



Input voltage noise: 50 nV/√Hz



Applications



Electronic power steering



Stability and traction control



Motor and actuator control



Solenoid and valve control



Package Information

Part Number

Package

Body Size

DIA2240

TSSOP-8

4.4 mm × 3.0 mm

SOIC-8

3.9 mm × 4.9 mm



Description

The DIA2240 device is an automotive qualified

voltage output and current sense amplifier with

enhanced PWM rejection. The device sense drops

across the shunt resistor over a wide common-mode

voltage range of -4 V to 110 V independent of the

operating supply. The device achieves ultra-high

precision current measurement accuracy under the

combination of features such as an ultra-low offset

voltage, a small gain error, and a high DC CMRR.

The enhanced PWM rejection function provides a

high level of suppression of large common-mode

transients (ΔV/Δt) in systems that use pulse width

modulation (PWM) signals. With this feature, the

DIA2240 minimizes output interference and ringing

during common-mode conversion. The device

operates from a single power supply from 2.7 V to 5.5

V and consumes a low supply current. Four fixed

gains are available: 20 V/V, 50 V/V, 100 V/V, and 200

V/V.

The DIA2240 is available in TSSOP8 and SOIC-8

package. It is specified over ambient temperature

range of -40°C to 125°C, which meets the

requirements of automotive applications.



Simplified Schematic

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DIA2240DTP8 Datasheet(PDF) 1 Page - DIOO MICROCIRCUITS CO., LTD

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