Data Conversion Analog-to-Digital Converters (ADC) Precision ADCs (Fs < 10Msps)

LTM2883 - SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
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LTC1404 - Complete SO-8, 12-Bit, 600ksps ADC with Shutdown

Features

  • Complete 12-Bit ADC in SO-8
  • Single Supply 5V or ±5V Operation
  • Sample Rate: 600ksps
  • Power Dissipation: 75mW (Typ)
  • 72dB S/(N + D) and ?80dB THD at Nyquist
  • No Missing Codes over Temperature
  • Nap Mode with Instant Wake-Up: 7.5mW
  • Sleep Mode: 60µW
  • High Impedance Analog Input
  • Input Range (1mV/LSB): 0V to 4.096V or ±2.048V
  • Internal Reference Can Be Overdriven Externally
  • 3-Wire Interface to DSPs and Processors (SPI and MICROWIRE™ Compatible)

Typical Application

LTC1404 Typical Application
LTC1404 Typical Application

Description

The LTC1404 is a complete 600ksps, 12-bit A/D converter which draws only 75mW from a 5V or ±5V supplies. This easy-to-use device comes complete with a 160ns sample-and-hold and a precision reference. Unipolar and bipolar conversion modes add to the flexibility of the ADC. The LTC1404 has two power saving modes: Nap and Sleep. In Nap mode, it consumes only 7.5mW of power and can wake up and convert immediately. In the Sleep mode, it consumes 60µW of power typically. Upon power-up from Sleep mode, a reference ready (REFRDY) signal is available in the serial data word to indicate that the reference has settled and the chip is ready to convert.

The LTC1404 converts 0V to 4.096V unipolar inputs from a single 5V supply and ±2.048V bipolar inputs from ±5V supplies. Maximum DC specs include ±1LSB INL, ±1LSB DNL and 45ppm/°C full-scale drift over temperature. Guaranteed AC performance includes 69dB S/(N + D)and -76dB THD at an input frequency of 100kHz over temperature.

The 3-wire serial port allows compact and efficient data transfer to a wide range of microprocessors, microcontrollers and DSPs.

 

Packaging

CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints.

For complete and up to date package information and drawings, please refer to our packaging page

Part Number Package Code Temp Package
Drawing		 RoHS
LTC1404CS8#PBF SO-8 S8 C 05-08-1610 (S8) Yes
LTC1404CS8#TRPBF SO-8 S8 C 05-08-1610 (S8) Yes
LTC1404IS8#PBF SO-8 S8 I 05-08-1610 (S8) Yes
LTC1404IS8#TRPBF SO-8 S8 I 05-08-1610 (S8) Yes


LTC1404 Package Drawing

Order Info

  • Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
  • Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
  • Please refer to our general ordering information or the product datasheet for more details

Package Variations and Pricing

Part Number Package Temp Price
(1-99)		 Price
(1k)*		 RoHS
LTC1404CS8#PBF SO-8 C $6.20 $5.10 Yes
LTC1404CS8#TRPBF SO-8 C $5.16 Yes
LTC1404IS8#PBF SO-8 I $6.75 $5.60 Yes
LTC1404IS8#TRPBF SO-8 I $5.66 Yes
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* The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology sales office or authorized distributor.

Demo Boards

Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.

Part Number Description Price Documentation
DC209A LTC1404CS8 | 12-BIT, HIGH SPEED 600ksps A to D CONVERTER with SHUTDOWN $50.00
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Click here to view our complete list of demo boards

Applications

  • High Speed Data Acquisition
  • Digital Signal Processing
  • Multiplexed Data Acquisition Systems
  • Audio and Telecom Processing
  • Digital Radio
  • Spectrum Analysis
  • Low Power and Battery-Operated Systems
  • Handheld or Portable Instruments

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Design Tools

Linear Technology provides a variety of custom design simulation tools and device models to allow even novice designers to quickly and easily evaluate circuits using high performance switching regulators, amplifiers, data converters, filters and more. Please visit our Design Tools page to view and download:

  • LTspice - A powerful SPICE simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators
  • LTpowerCAD - A complete power supply selection, synthesis and design tool
  • LTpowerPlay - A development environment supporting Linear Technology's Digital Power System Management (PSM) products
  • PScope & QuikEval - USB-based product demonstration and data acquisition system for use with our ADCs, DACs, and more
  • Linduino - Arduino compatible system for developing and distributing firmware libraries and example code
  • LinearLab Tools - A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards
  • And More!

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