AK9223MK

2-channel 1-bit 10MHz ΔΣ modulator

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Description

The AK9223MK is a 2ch delta-sigma modulator that operates by a 10MHz internal clock. It is capable to achieve a high performance current measurement with a digital low-pass filter at the output.

High S/N Performance

The AK9223MK achieves 92dB S/N performance based on AKM's accumlated experience and know-how in analog-digital mixed signal LSI technology.

High Accuracy VREF, Internal Clock

The AK9223MK realizes 2.5V±1% VREF and 10MHz±10%. internal clock, achieving high performance.

【Applications】Motor Controllers, Current Sensors, Industrial Equipment Sensors

AK9223MK

AK9223MK



News Release
2015/12/18 High Performance 2ch 1bit 10MHz ΔΣModulator Is Suitable for Output Stage of a Current Sensor; The AK9223 Is Now On the Market.

Samples

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Key Features

□ 2ch ΔΣ Modulator
□ 2ch Input Reference
□ Resolution:16-bit
□ Linearity:13-bit
□ S/N:92dB(typ) Vin=±2.3V at 5kHz
□ Input Voltage Range:±2.3V
□ Gain Error:0.5%(max)
□ High Accurate Reference Voltage:2.5V±1% (2.5V±0.025V)、±20ppm/℃
□ High Accurate Internal Clock:10MHz±10%
□ Selectable External Clock
□ Power Consumption:67.5mW
□ Power Supply: AVDD=4.5V to 5.5V DVDD=2.7V to 5.5V
□ Operation Temperature Range:-40℃ to 105℃
□ Small Package:24-pin TSSOP (0.65mm pitch)

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Block Diagram

Block Diagram

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