Texas Instruments' TDC1000 is a fully-integrated analog front-end (AFE) for ultrasonic sensing measurements of level, fluid identification/concentration, flow, and proximity/distance applications common in automotive, industrial, medical, and consumer markets. When paired with an MSP430/C2000 MCU, power, wireless, and source code, TI provides the complete ultrasonic sensing solution.
TI’s ultrasonic AFE offers programmability and flexibility to accommodate a wide-range of applications and end equipment. The TDC1000 can be configured for multiple transmit pulses and frequencies, gain, and signal thresholds for use with a wide-range of transducer frequencies (31.25 kHz to 4 MHz) and Q-factors. Similarly, the programmability of the receive path allows ultrasonic waves to be detected over a wider range of distances/tank sizes and through various mediums.
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- Automotive AEC-Q100 (TDC1000-Q1)
- 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
- Temperature measurement:
- Interface to two PT1000/500 RTDs
- RTD-to-RTD matching accuracy 0.02°CRMS
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- 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 EchoQualification
- Automatic channel swapping for differential time-of-flight (TOF) measurement
- Programmable low-power mode for long TOF measurements
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Texas Instruments' TDC1000 is a fully-integrated analog front-end (AFE) for ultrasonic sensing measurements of level, fluid identification/concentration, flow, and proximity/distance applications common in automotive, industrial, medical, and consumer markets. When paired with an MSP430/C2000 MCU, power, wireless, and source code, TI provides the complete ultrasonic sensing solution.
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