제품 상세 정보

SAR ADC resolution (bps) 12 SAR sample rate (max) (ksps) 125 Touch panel 4-Wire Control interface SPI Vref (int/ext) Internal Rating Catalog Operating temperature range (°C) -40 to 85 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 Input type Single-ended
SAR ADC resolution (bps) 12 SAR sample rate (max) (ksps) 125 Touch panel 4-Wire Control interface SPI Vref (int/ext) Internal Rating Catalog Operating temperature range (°C) -40 to 85 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25 Input type Single-ended
SSOP (DBQ) 16 29.4 mm² 4.9 x 6 TSSOP (PW) 16 32 mm² 5 x 6.4 VQFN (RGV) 16 16 mm² 4 x 4
  • SAME PINOUT AS ADS7843
  • 2.2V TO 5.25V OPERATION
  • INTERNAL 2.5V REFERENCE
  • DIRECT BATTERY MEASUREMENT (0V to 6V)
  • ON-CHIP TEMPERATURE MEASUREMENT
  • TOUCH-PRESSURE MEASUREMENT
  • QSPI™/SPI™ 3-WIRE INTERFACE
  • AUTO POWER-DOWN
  • TSSOP-16, SSOP-16, QFN-16, AND VFBGA-48 PACKAGES
  • APPLICATIONS
    • PERSONAL DIGITAL ASSISTANTS
    • PORTABLE INSTRUMENTS
    • POINT-OF-SALES TERMINALS
    • PAGERS
    • TOUCH SCREEN MONITORS
    • CELLULAR PHONES

US Patent No. 6246394
QSPI and SPI are registered trademarks of Motorola.
All trademarks are the property of their respective owners.

  • SAME PINOUT AS ADS7843
  • 2.2V TO 5.25V OPERATION
  • INTERNAL 2.5V REFERENCE
  • DIRECT BATTERY MEASUREMENT (0V to 6V)
  • ON-CHIP TEMPERATURE MEASUREMENT
  • TOUCH-PRESSURE MEASUREMENT
  • QSPI™/SPI™ 3-WIRE INTERFACE
  • AUTO POWER-DOWN
  • TSSOP-16, SSOP-16, QFN-16, AND VFBGA-48 PACKAGES
  • APPLICATIONS
    • PERSONAL DIGITAL ASSISTANTS
    • PORTABLE INSTRUMENTS
    • POINT-OF-SALES TERMINALS
    • PAGERS
    • TOUCH SCREEN MONITORS
    • CELLULAR PHONES

US Patent No. 6246394
QSPI and SPI are registered trademarks of Motorola.
All trademarks are the property of their respective owners.

The ADS7846 is a next-generation version to the industry standard ADS7843 4-wire touch screen controller. The ADS7846 is 100% pin-compatible with the existing ADS7843, and drops into the same socket. This allows for easy upgrade of current applications to the new version. Only software changes are required to take advantage of the added features of direct battery measurement, temperature measurement, and touch-pressure measurement. The ADS7846 also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage while monitoring the battery voltage from 0V to 6V.

The low-power consumption of < 0.75mW typ at 2.7V (reference off), high speed (up to 125kHz clock rate), and on-chip drivers make the ADS7846 an ideal choice for battery-operated systems such as personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable equipment. The ADS7846 is available in the small TSSOP-16, SSOP-16, QFN-16, and VFBGA-48 packages and is specified over the –40°C to +85°C temperature range.

The ADS7846 is a next-generation version to the industry standard ADS7843 4-wire touch screen controller. The ADS7846 is 100% pin-compatible with the existing ADS7843, and drops into the same socket. This allows for easy upgrade of current applications to the new version. Only software changes are required to take advantage of the added features of direct battery measurement, temperature measurement, and touch-pressure measurement. The ADS7846 also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage while monitoring the battery voltage from 0V to 6V.

The low-power consumption of < 0.75mW typ at 2.7V (reference off), high speed (up to 125kHz clock rate), and on-chip drivers make the ADS7846 an ideal choice for battery-operated systems such as personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable equipment. The ADS7846 is available in the small TSSOP-16, SSOP-16, QFN-16, and VFBGA-48 packages and is specified over the –40°C to +85°C temperature range.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 유사한 기능
TSC2046E 활성 저전압 디지털 I/O 및 확장된 ESD 보호를 지원하는 4선 터치 스크린 컨트롤러 SPI touch screen controller with direct battery measurement and improved ESD protection

기술 자료

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유형 직함 날짜
* Data sheet Touch-Screen Controller datasheet (Rev. H) 2005/01/27

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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