Facebook Official Page

www.facebook.com/DIYmodules

Share EAGLE library

Have you created EAGLE library?
Did you find an interesting library?
Why not share with the community?

More...

News

2017-07-02

DIY Modules Eagle Library version 1.8.0 has been released.

2017-05-20

DIY Modules Eagle Library version 1.7.0 has been released.

2017-05-03

DIY Modules Eagle Library version 1.6.0 has been released.

More news...

EAGLE Library Object

File details

File name:texas-das.lbr
Uploaded by:helge
Download options:Download original file
from DIYmodules.org
( 39.9 KiB )
Download file converted
to the latest EAGLE format
( 122.3 KiB )

Object details

Name:DDC118
Type:device
Description:Octal Current Input, 20-Bit Analog-To-Digital Converter

Description:

The DDC118 is a 20-bit, octal channel, current-input analog-to-digital (A/D) converter. It combines both current-to-voltage and A/D conversion so that eight low-level current output devices, such as photodiodes, can be directly connected to its inputs and digitized.

For each of the eight inputs, the DDC118 provides a dual-switched integrator front-end. This design allows for continuous current integration: while one integrator is being digitized by the onboard A/D converter, the other is integrating the input current. Adjustable full-scale ranges from 12pC to 350pC and adjustable integration times from 50µs to 1s allow currents from fAs to µAs to be measured with outstanding precision. Low-level linearity is ±0.5ppm of the full-scale range and noise is 5.2ppm of the full-scale range.

Two modes of operation are provided. In Low-Power mode, total power dissipation is only 13.5mW per channel with a maximum data rate of 2.5kSPS. High-Speed mode supports data rates up to 3.125kSPS with a corresponding dissipation of 18mW per channel.

Features: SINGLE-CHIP SOLUTION TO DIRECTLY MEASURE EIGHT LOW-LEVEL CURRENTS HIGH PRECISION, TRUE INTEGRATING FUNCTION INTEGRAL LINEARITY: ±0.01% of Reading ±0.5ppm of FSR VERY LOW NOISE: 5.2ppm of FSR LOW POWER: 13.5mW/channel ADJUSTABLE DATA RATE: Up to 3.125kSPS PROGRAMMABLE FULL SCALE DAISY-CHAINABLE SERIAL INTERFACE

Datasheet:

http://www.ti.com/lit/ds/symlink/ddc118.pdf

Additional information:

Basics of operation can be found in the DDC112 datasheet:
http://www.ti.com/lit/ds/symlink/ddc112.pdf
For practical daisychaining and layout considerations, consider the DDC112 evaluation board documentation:
http://www.ti.com/lit/an/sbaa029/sbaa029.pdf

Preview

VariantSymbolPackage

DDC118

Preview Preview
Copyright © 2015-2017 DIYmodules.org|Contact webmaster
Our website uses icons made by www.icondrawer.com