TDC1000-Q1 - Texas Instruments

TDC1000-Q1 Ultrasonic Sensing Analog Front-End

The TDC1000-Q1 is a fully integrated analog frontend (AFE) for ultrasonic sensing measurements of level, fluid identification/concentration, and proximity/ distance applications common in automotive, industrial, and consumer markets. When paired with an MSP430/C2000 MCU, power, wireless, and source code, TI provides the complete ultrasonic sensing solution..

Features

• AEC-Q100 qualified for automotive applications:
  – Temperature grade 1:
  –40°C to +125°C, TA
• Measurement range: up to 8 ms
• Operating current: 1.8 µA (2 SPS)
• Transmitter channels TX1/TX2:
  – Supports single or dual-transducer application
  – Programmable excitation: 31.25 kHz to 4 MHz, up to 31 pulses
• Receiver channels RX1/RX2:
  – STOP cycle-to-cycle jitter: 50 psRMS
  – Low-noise and programmable gain amplifiers
  – Access to signal chain for external filter design
  – Programmable threshold comparator for echo qualification
  – Automatic channel swapping for differential Time-of-Flight (TOF) meas.