Time-to-Digital-Converters by Acam
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Time to Digital Converters

TDC - GP1
TDC - GP2
TDC - GPX
Time-to-Digital Applications
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PICOSTRAIN®

Time to Digital Converters for Digital Strain Gage

PICOSTRAIN® PS08
PICOSTRAIN® PS081
PICOSTRAIN® PS021
Strain Gage Applications
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PICOCAP®

Time to Digital Converters for Capacitance Measurement

PICOCAP® PS021
PICOCAP® PSA21
Capacitance Applications
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PICOTURN®

Time to Digital Converters for Speed Sensors

PICOTURN® 2G
PICOTURN® BM/SM
Speed Sensor Applications
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Time-to-Digital - TDC Cookbook

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TDC - Cookbook
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Strain Gage TDC Application - Industrial Scale

Battery Driven Industrial Scale

Strain Gage Applications

Battery-driven industrial scale with 20.000 divisions at 5 Hz

Sensor: Fullbridge, 1000 Ohm SG , Sensitivity: 2 mV/V , Update rate: 5 Hz

Resolution: 20,000 scale divisions (6.6 sigma/div => 45nV rms noise)

Current consumption: optimized for battery life time , Supply voltage: 3 x AA, 3.0 V SG and core

Application: Industrial bench scale

Settings: Measurement range 2, One-sense mode, Cycle time 270µs, AVRate 60, Temperature measurement, Gain and Rdson compensation.

Current Consumption

Current into strain gage and circuit I/O section:

760 µA

Current into PICOSTRAIN core:

140 µA

Oscillator:

150 µA

Comparator:

120 µA

Totel current:

1,170 µA

 

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Strain Gage TDC Application - Industrial Scale Miniboard

mini board schematic

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