Allegro 电流传感器

具有共模抑制功能的 1MHz 差分非接触式电流传感器

CT456

Markets Served

Automotive

Consumer

Industrial

CT456 提供高精度非接触式电流感测，采用差分测量方式强化共模抑制能力，支持 1Mhz 带宽和可编程增益。

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Evaluation Board

LiveBench

Product Details

Top Features

Optimized for high dV/dt applications
Integrated Contactless Current/Field Sensor
Linear Analog Output Voltage
Differential measurements
1 MHz Bandwidth
Response Time < 300 ns
Very low noise: 0.92mVrms (@100kHz)
Supply Voltage: 3.3 V to 5.0 V
AEC-Q100 Grade 1
Package Options:
- 8-lead TSSOP

Target Application

Part Number Specifications and Availability

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CT456-H00B3-TS08

architecture: Bidirectional
programming: Customer Programmable
magnetic_field_range: ±240G
typical_sensitivity_mv_per_g: 2.1 to 16.67, 2.1 to 16.7
quiescent_output_v: Typ 50% VCC
bandwidth_khz: 1000
supply_voltage_v: 3.3
temp_ranges: -40°C to 125°C
over_current_fault: No
aec_q100: No
package: 8-Pin TSSOP
market: Automotive

CT456-H00B5-TS08

architecture: Bidirectional
programming: Customer Programmable
magnetic_field_range: ±240G
typical_sensitivity_mv_per_g: 2.1 to 16.7
quiescent_output_v: Typ 50% VCC
bandwidth_khz: 1000
supply_voltage_v: 5
temp_ranges: -40°C to 125°C
over_current_fault: No
aec_q100: No
package: 8-Pin TSSOP
market: Automotive

CT456-H00U5-TS08

architecture: Unidirectional
programming: Customer Programmable
magnetic_field_range: +240G
typical_sensitivity_mv_per_g: 8.33 to 66.67, 2.1 to 16.7
quiescent_output_v: 0.5
bandwidth_khz: 1000
supply_voltage_v: 5
temp_ranges: -40°C to 125°C
over_current_fault: No
aec_q100: No
package: 8-Pin TSSOP
market: Automotive

CT456-H06B5-TS08

architecture: Bidirectional
programming: Factory Programmed
magnetic_field_range: ±60G
typical_sensitivity_mv_per_g: 33.33, 2.1 to 16.7
quiescent_output_v: Typ 50% VCC
bandwidth_khz: 1000
supply_voltage_v: 5
temp_ranges: -40°C to 125°C
over_current_fault: No
aec_q100: No
package: 8-Pin TSSOP
market: Automotive

Discover the next generation of magnetic sensing

Efficient Power Conversion
Accurately measures the full dynamic range and provides a cleaner signal.

Adoption of Wide Bandgap Transistors
Wide bandgap transistors such as GAN and SiC require high bandwidth current sensors which XtremeSense TMR achieves without sacrificing accuracy and resolution.

Reduce the Energy Footprint
Delivers the lowest power consumption in any magnetic sensing product category.

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Allegro's XtremeSense™ TMR technology

Superior magnetic sensitivity, low power consumption, and compact size compared to other technologies, driving innovation in applications like renewable energy, electric vehicles, and consumer electronics.

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