DIO2240D数据手册DIOO中文资料规格书

描述 Description

The DIO2240D device is a 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 DIO2240D 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. The DIO2240D is available in TSSOP-8 and SOIC-8 package. It is specified over ambient temperature range of -40°C to 125°C, which meets the requirements of industry applications.

特性 Features

产品特性
• Enhanced PWM rejection
• Wide supply range:
− Single power supply: 2.7 V to 5.5 V − Wide 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
• Choice of gain： 200 V/V
• Input voltage noise: 50 nV/√Hz

应用 Application

• Electronic power steering
• Stability and traction control
• Motor and actuator control
• Solenoid and valve control
• Actuator controls
• Pressure regulators