TDC7201ZAXT Part Information

Details for TDC7201ZAXT by Texas Instruments

Semiconductors - ICs > Special Function >

Part Description

The TDC7201 is designed for use with ultrasonic, laser and radar range finding equipment using timeof-flight technique. The TDC7201 has two built-in Time-to-Digital Converters (TDCs) that can be used to measure distance down to 4 cm and up to several kilometers using a simple architecture, which eliminates the need to use expensive FPGAs or processors. Each TDC performs the function of a stopwatch and measures the elapsed time (time-of-flight or TOF) between a START pulse and up to five STOP pulses. The ability to measure simultaneously and individually on two pairs of START and STOP pins using two built-in TDCs offers high flexibility in time measurement design. The device has an internal self-calibrated time base which compensates for drift over time and temperature. Self-calibration enables time-to-digital conversion accuracy in the order of picoseconds. This accuracy makes the TDC7201 ideal for range finder applications. When placed in the Autonomous Multi-Cycle Averaging Mode, the TDC7201 device can be optimized for low system power consumption, which is ideal for battery-powered flow meters. In this mode, the host can go to sleep to save power and wake up when interrupted by the TDC upon completion of the measurement sequence.

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Part Features

  • Autonomous Multi-Cycle Averaging Mode for Low Power Consumption
  • Low Active Power Consumption: 2.7 mA
  • Measurement Range: u2013 Individual Mode 1: 12 ns to 2000 ns u2013 Individual Mode 2: 250 ns to 8 ms u2013 Combined Operation: 0.25 ns to 8 ms
  • Operating Temperature u201340u00b0C to +85u00b0C
  • Resolution: 55 ps
  • SPI Interface for Register Access
  • Standard Deviation: 35 ps
  • Supply Voltage: 2 V to 3.6 V
  • Supports up to 10 STOP Signals

Part Specifications

IC Function Time to Digital Converter
Supply Voltage Min 2V
Supply Voltage Max 3.6V
IC Package Type NFBGA
No. of Pins 25Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • TIME TO DIGITAL CONVERTER, NFBGA-25; IC Function:Time to Digital Converter; Supply Voltage Min:2V; Supply Voltage Max:3.6V; IC Package Type:NFBGA; No. of Pins:25Pins; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; RoHS Compliant: Yes | Newark Electronics
  • TDC7201 Time-to-Digital Converter for Time-of-Flight Applications | Texas Instruments

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