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AK9240 Datasheet

Part Number AK9240
Manufacturers AKM
Logo AKM
Description AFE
Datasheet AK9240 DatasheetAK9240 Datasheet (PDF)

[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 compact optical encoders. The AK9240 is housed in a space-saving 20-pin QFN package. Featur.

  AK9240   AK9240






Part Number AK9243
Manufacturers AKM
Logo AKM
Description AFE
Datasheet AK9240 DatasheetAK9243 Datasheet (PDF)

[AK9242/43] = Preliminary = AK9242/43 AFE with Dual 16/14-Bit 1.1MSPS ZDS A/D Converter General Description The AK9242/43 are Analog Front Ends with 16/14-bit 1.1MSPS ZDS* A/D converters. They integrate a programmable gain amplifier (PGA) that is able to select the input current and the input voltage realizing to control the input range. A polar coordinate calculation function is also integrated, and it reduces the load of DSP or microcomputer. The AK9242/43 are housed in a space-saving 24-p.

  AK9240   AK9240







Part Number AK9242
Manufacturers AKM
Logo AKM
Description AFE
Datasheet AK9240 DatasheetAK9242 Datasheet (PDF)

[AK9242/43] = Preliminary = AK9242/43 AFE with Dual 16/14-Bit 1.1MSPS ZDS A/D Converter General Description The AK9242/43 are Analog Front Ends with 16/14-bit 1.1MSPS ZDS* A/D converters. They integrate a programmable gain amplifier (PGA) that is able to select the input current and the input voltage realizing to control the input range. A polar coordinate calculation function is also integrated, and it reduces the load of DSP or microcomputer. The AK9242/43 are housed in a space-saving 24-p.

  AK9240   AK9240







AFE

[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 compact optical encoders. The AK9240 is housed in a space-saving 20-pin QFN package. 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 LEDREF VREFP VREFN LEDO AIN0P AIN0N AIN1P AIN1N LED Driver Auto Power Controller 2.5V Reference Current Input Voltage Input Current Input Voltage Input Current Input Voltage Input Current Input Voltage Input PGA0 SAR ADC0 PGA1 SAR ADC1 Serial I/F & Control Logic VDD VSS DRVDD RSTN CSN SCLK SDO0 SDO1 SDATI SDATO Figure 1. AK9240 Block Diagram Rev. 0.7 -1- 2015/7 ■ Outline Dimensions Package [AK9240] 3.00 0.07 B A 3.00 0.07 0.05 C A (0.30) 1.90 0.25 0.07 11 15 10 1.90 .


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