| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | SSOP-16 |
| Supply Current | 2.5 µA |
| Number of Channels | 4 Channel |
| Number of Bits | 12 Bit |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 2.7V ~ 5V |
| Supply Voltage (Max) | 3.6 V |
| Supply Voltage (Min) | 2.7 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Operating Temperature | -40℃ ~ 85℃ |
DESCRIPTION
●The ADS7843 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 is specified down to 2.7V operation.
●FEATURES
●4-WIRE TOUCH SCREEN INTERFACE
●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
●APPLICATIONS
●PERSONAL DIGITAL ASSISTANTS
●PORTABLE INSTRUMENTS
●POINT-OF-SALES TERMINALS
●PAGERS
●TOUCH SCREEN MONITORS
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12Bit Sampling Analog-to-Digital Converter (ADC)
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IC TOUCH SCREEN CNTRLR 16SSOP
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