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音訊 ADC

ADS7843-Q1

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車用 4 線觸控螢幕控制器

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ADS7843-Q1 將逐漸停產
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TSC2013-Q1 現行 1.2V 至 3.6V、12 位元、奈米功率、4 線觸控螢幕控制器 I2C dual touch screen controller with rotate & zoom gesture capability

ADS7843-Q1

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產品詳細資料

Control interface SPI Rating Automotive Operating temperature range (°C) -40 to 125
Control interface SPI Rating Automotive Operating temperature range (°C) -40 to 125
SSOP (DBQ) 16 29.4 mm² (4.9 mm × 6 mm)
  • Qualified for Automotive Applications
  • Ratiometric Conversion
  • Single Supply: 2.7V to 5V
  • Up to 125kHz Conversion Rate
  • Serial Interface
  • Programmable 8- or 12-Bit Resolution
  • 2 Auxiliary Analog Inputs
  • Full Power-Down Control
  • Qualified for Automotive Applications
  • Ratiometric Conversion
  • Single Supply: 2.7V to 5V
  • Up to 125kHz Conversion Rate
  • Serial Interface
  • Programmable 8- or 12-Bit Resolution
  • 2 Auxiliary Analog Inputs
  • Full Power-Down Control

The ADS7843-Q1 is a 12-bit sampling Analog-to-Digital Converter (ADC) with a synchronous serial interface and low on-resistance switches for driving touch screens. Typical power dissipation is 750µW at a 125kHz throughput rate and a +2.7V supply. The reference voltage (VREF) can be varied between 1V and +VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces typical power dissipation to under 0.5µW. The ADS7843-Q1 is specified down to 2.7V operation.

Low power, high speed, and onboard switches make the ADS7843-Q1 ideal for battery-operated systems such as personal digital assistants with resistive touch screens and other portable equipment. The ADS7843-Q1 is available in an SSOP-16 package and is specified over the –40°C to +85°C temperature range.

The ADS7843-Q1 is a 12-bit sampling Analog-to-Digital Converter (ADC) with a synchronous serial interface and low on-resistance switches for driving touch screens. Typical power dissipation is 750µW at a 125kHz throughput rate and a +2.7V supply. The reference voltage (VREF) can be varied between 1V and +VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces typical power dissipation to under 0.5µW. The ADS7843-Q1 is specified down to 2.7V operation.

Low power, high speed, and onboard switches make the ADS7843-Q1 ideal for battery-operated systems such as personal digital assistants with resistive touch screens and other portable equipment. The ADS7843-Q1 is available in an SSOP-16 package and is specified over the –40°C to +85°C temperature range.

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* 資料表 ADS7843-Q1 Touch Screen Controller datasheet (Rev. A) 2012/8/1

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