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AK9232 - Dual 18/16/14-Bit 1.1MSPS ZDS A/D Converter

General Description

The AK9232/33/34 are 18/16/14-bit 1.1MSPS ZDS

A/D converters.

A polar coordinate calculation function is also integrated, and it reduces the load of DSP or microcomputer.

The AK9232/33/34 are housed in a space-saving 24-pin QFN package.

ZDS: Zero latency Delta Sigma A ZDS A/D converter

Key Features

  •  Simultaneous Sampling 18/16/14-bit ZDS A/D Converter  Sampling Rate: 1.1MSPS  Differential Inputs  S/N: 88 dBFS(Typ. ) at 20kHz Input (AK9232) 87 dBFS(Typ. ) at 20kHz Input (AK9233) 84 dBFS(Typ. ) at 20kHz Input (AK9234)  18bit No Missing Code, INL: ±2LSB (Typ. ) @Vin=-6dBFS (AK9232) 16bit No Missing Code, INL: ±1LSB (Typ. ) @Vin=-6dBFS (AK9233) 14bit No Missing Code, INL: ±0.5LSB (Typ. ) @Vin=-6dBFS (AK9234)  Polar coordinate calculation function  Offset/Gain adjustment function.

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Other Datasheets by AKM (Asahi Kasei Microdevices)

Part Number Description
AK9231 Dual 12-Bit 1MSPS SAR A/D Converter
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[AK9232/33/34] = Preliminary = AK9232/33/34 Dual 18/16/14-Bit 1.1MSPS ZDS A/D Converter General Description The AK9232/33/34 are 18/16/14-bit 1.1MSPS ZDS* A/D converters. A polar coordinate calculation function is also integrated, and it reduces the load of DSP or microcomputer. The AK9232/33/34 are housed in a space-saving 24-pin QFN package. * ZDS: Zero latency Delta Sigma A ZDS A/D converter realizes ultrafast response of SAR with maintaining high accuracy conversion like a delta-sigma converter, based on AKM’s accumulated experience and know-how in analog-digital LSI technology. It contributes to improve the speed and the accuracy of negative feedback system. A ZDS A/D converter can achieve small and high accurate motor systems.