TDC-GP-21

TDC-GP21 Features

General Features
  • 4-wire SPI interface
  • Up to 1 million measurements per second im Measure Mode 1
  • I/O voltage 2.5 V to 3.6 V
  • Core voltage 2.5 V to 3.6 V
  • Temperature range - 40 °C to +125 °C
  • QFN 32 package

GENERAL Circuit Features

Measurement Mode 1
  • 2 channels with typ. 90 ps resolution
  • 1-channel double resolution with typ. 45 ps
  • Range 3.5 ns (0 ns) to 2.5 µs
  • 20 ns pulse-pair resolution, 4-fold multihit
  • Up to 1 million measurements per second in measure mode 1
Measurement Mode 2
  • 1 channel with typ. 90 ps resolution
  • Double resolution mode with 45 ps, Quad resolution mode with 22 ps resolution
  • Measurement range 500 ns to 4 ms
  • 2 x CLKHS pulse-pair resolution with 3-fold multihit capability
  • Each of the 3 events can be assigned to an adjustable measuring window with 10 ns resolution
Temperature Measurement Unit
  • 2 or 4 sensors
  • PT100/PT500/PT1000 or higher
  • Schmitt trigger integrated
  • Very high resolution: up to 17.5 Bit eff. (0.004 °C resolution for platinum sensors)
  • Ultra low current (0.08 µA when measuring every 30 seconds)
Special Functions
  • Fire pulse generator, up to 127 pulses
  • Trigger to rising and/or falling edge
  • Precise stop enable by windowing
  • Low-power 32 kHz oscillator (500 nA)
  • Clock calibration unit
  • 7x32 Bit EEPROM
Analog Input Circuit
  • Chopper-stabilized low-offset comparator
  • 2 analog switches for input selection
  • External circuit is reduced to 2 resistors and 2 capacitors

FUNCTIONAL BLOCK DIAGRAM

click to enlarge


DescriptionVersionSizeDownload
Datasheet TDC-GP30 Vol. 1:
System-Integrated Solution for Ultrasonic Flow Meters General Data and Frontend Description
V0.11.2MBDB_GP30_Vol1.pdf
Datasheet TDC-GP30 Vol. 2:
System-Integrated Solution for Ultrasonic Flow Meters CPU, Memory and Firmware
V0.01.3MBDB_GP30_Vol2.pdf
Datasheet TDC-GP30 Vol. 3:
System-Integrated Solution for Ultrasonic Flow Meters: User Manual
V0.01.3MBDB_GP30_Vol3.pdf
Datasheet TDC-GP30 Vol. 4:
Firmware, Memory and ROM Overview: User Manual
V0.52MBDB_GP30_Vol4_en.pdf
Datasheet TDC-GP22 Eval System:
Evaluation System for TDC-GP22
V0.25.3MBDB_GP22-EVA_en.pdf
Datasheet TDC-GP22:
Universal 2-Channel TDC-GP22 dedicated to Ultrasonic Heat & Water Meters
V0.94MBDB_GP22_en.pdf
Datasheet TDC-GP21 Eval System:
Evaluation System for TDC-GP21
V0.05.3MBDB_GP21-EVA_en.pdf
Datasheet TDC-GP21:
Universal 2-Channel TDC-GP21
V1.64MBDB_GP21_en.pdf
Development Support TDC-GP30:
Eval Kit Manual for TDC-GP30
V1.02.5MBGP30Y-EVA-KIT.pdf
Development Support TDC-GP30:
Demo Kit Manual for TDC-GP30
V1.03MBGP30-DEV-KIT.pdf
Development Support TDC-GP22:
Evaluation System for TDC-GP22 DEMO KIT
V0.02.4MBDB_GP22-DEMO_en.pdf
Development Support TDC-GP22:
Evaluation System for TDC-GP22
V0.22.8MBDB_GP22-EVA_en.pdf
Development Support TDC-GP21:
Evaluation System for TDC-GP21
V0.05.3MBDB_GP21-EVA_en.pdf
DescriptionVersionSizeDownload
Application Note:
TDC-GP30
External circuit for gas meters
V1.012MBGP30 Application note Gas Meter.pdf
Application Note:
TDC-GP30-F01
Scaling calibration coefficients by 2-point calibration
V1.011.5MBGP30-F01 Application note 2pt Calibration.pdf
Application Note 032:
Ultrasonic Water & Heat Metering with the TDC-GP22
V1.21.5MBAN032_en.pdf
Application Note 029:
Ultrasonic Heat Metering with the TDC-GP21
V1.13.6MBAN029_en.pdf
DescriptionVersionSizeDownload
Screencast TDC-GP30-F01:
2-Point Calibration with ams/acam Firmware Scaling calibration coefficients by 2-point calibration
9MBGP30_SUMTOF_Cal.zip
DescriptionVersionSizeDownload
Software TDC-GP30 / TDC-GP30-F01
Software package for GP30 Demo Kit
V1.6.0204MBacam_GP30-DEMO-KIT.zip
Software TDC-GP30-F01
Calibration Engine for GP30
V5.0169MBacam_GP30y_Calibration_Installer.zip
Software TDC-GP30-F01
Open part of the acam Firmware A1.A2.11.03
A1.D2.x259KBacam_FW_A1.A2.11.XX.zip
Software TDC-GP30-F01
Open part of the acam Firmware A1.D2.11.04
A1.D2.x35KBacam_FW_A1.D2.11.04.zip
Software TDC-GP22:
Software package for GP22-EVA-KIT
V1.9111MBCD-GP22-EVA-XP-WIN7.zip
Software TDC-GP22:
STM32 µC Sample code
34kGP22_main_AN032.c
Software TDC-GP21:
Software package for GP21-EVA-KIT
V3.9104MBCD-GP21-EVA-XP-WIN7.zip
Software PICOPROG V3.0(V2.0):
Driver Installer Stand Alone
R125MBPicoProg_v2_Driver_Installer_Stand-Alone_r11.zip
TypePart numberPackageRoHS compl.Shipping package
TDC-GP22:
TDC-GP22MNR 1949QFN32YesTray
TDC-GP22MNR 1950QFN32YesTape & Reel (5k)
GP22-EVA-KITMNR 1951SystemYesBox
GP22-DEMO-KITMNR 1979SystemYesBox
TDC-GP21:
TDC-GP21MNR 1839QFN32YesTray
TDC-GP21MNR 1720QFN32YesTape & Reel (3K/5K)
GP21-EVA-KITMNR 1781SystemYesBox
TDC-GP2:
TDC-GP2MNR 1058QFN32YesTray
TDC-GP2MNR 1480QFN32YesTape & Reel (2k)
TDC-GP1:
TDC-GP1MNR 278TQFP44YesTray
TDC-GPX:
TDC-GPXMNR 975TQFP100YesTray
TDC-GPX-FGMNR 1089TFBGA120YesTray

ADDITIONAL INFORMATION