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AK9240 Datasheet Afe

Manufacturer: AKM (Asahi Kasei Microdevices)

Overview: [AK9240] = Preliminary = AK9240 AFE with Dual 12-Bit 1MSPS SAR ADC.

General Description

The AK9240 is an Analog Front End with 12-bit 1MSPS A/D converter.

It integrates a programmable gain amplifier (PGA) that is able to select the input current and the input voltage realizing to control the input range.

An LED driver and auto power control circuits are also integrated, making the device suitable for pact optical encoders.

Key Features

  •  Simultaneous Sampling 12-bit SAR A/D Converter  Sampling Rate: 1MSPS  Differential Inputs  Current Input or Voltage Input Selectable  PGA Function  LED driver  Automatic Power Control Circuit  Low Pass Filter  S/(N+D): 71dB (Typ. ) at 10kHz Input.  INL: ±1.25LSB (Max. )  DNL: ±1.0LSB (Max. )  Power Consumption: 17 mA (Typ. ) at Voltage Input Mode, fs= 1MSPS  Power Supply: 2.7 ~ 5.5V  Operational Temperature Range (Ta): -40 ~ 105ºC  Small Package: 20-pin QFN (3mm x 3mm) LVDD LEDLPF.

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AK9240 Distributor