Electronic Design
Single-Supply 300 ksps Serial-Output ADC Slides Under $1

Single-Supply 300 ksps Serial-Output ADC Slides Under $1

Touchstone-240x160The TS7003, a single-supply, single-channel, 12-bit ADC, is the first ADC in Touchstone’s data converter product portfolio. It combines a 10-MHz track-and-hold, a high-speed serial digital interface and an internal ±0.6%-initial accuracy +2.5 V, 30 ppm/°C reference into a small 3 x 3 mm TDFN package. Operating from +2.7 V to +3.6 V supplies, the ADC consumes less than 2.8 mW when converting at 300 ksps. The converter's three-wire serial interface connects directly to any microcontroller or other interface-compatible computing device. An external serial-interface clock gives the system designer full control over the conversion process and output shift register operation. Available now at $.95 each/1,000, the TS7003 is fully specified over the -40°C to +85°C temperature range, and is available in a low-profile, 8-pin 3 x 3 mm TDFN package with an exposed back-side paddle. Free samples and completely assembled/tested demo boards are available upon request.


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