LTC1276
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LTC1276

12-Bit, 300ksps Sampling A/D Converters with Reference

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Part Details
Part Models 6
1ku List Price Starting From $17.12
Features
  • Single Supply 5V or ±5V Operation
  • 300ksps Sample Rate
  • 75mW (Typ) Power Dissipation
  • On-Chip 25ppm/°C Reference
  • Internal Synchronized Clock; No Clock Required
  • High Impedance Analog Input
  • 70dB S/(N + D) and 77dB THD at Nyquist
  • ±1/2LSB INL and ±3/4LSB DNL Max (A Grade)
  • ESD Protected On All Pins
  • 24-Pin Narrow PDIP and SW Packages
  • Variety of Input Ranges:
    • 0V to 5V (LTC1273)
    • ±2.5V (LTC1275)
    • ±5V (LTC1276)
Additional Details
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The LTC1273/LTC1275/LTC1276 are 300ksps, sampling 12-bit A/D converters that draw only 75mW from single 5V or ±5V supplies. These easy-to-use devices come complete with 600ns sample-and-holds, precision references and internally trimmed clocks. Unipolar and larcon version modes provide flexibility for various cations. They are built with LTBiCMOS switched capacitor technology.

These devices have 25ppm/°C (max) internal references. The LTC1273 converts 0V to 5V unipolar inputs from a single 5V supply. The LTC1275/LTC1276 convert ±2.5V and ±5V respectively from ±5V supplies. Maximum DC specifications include ±1/2LSB INL, ±3/4LSB DNL and 25ppm/°C full scale drift over temperature. Outstanding AC performance includes 70dB S/(N + D) and 77dB THD at the Nyquist input frequency of 150kHz.

The internal clock is trimmed for 2.7µs maximum conversion time. The clock automatically synchronizes to each sample command eliminating problems with asynchronous clock noise found in competitive devices. A high speed parallel interface eases connections to FIFOs, DSPs and microprocessors.

Applications

  • High Speed Data Acquisition
  • Digital Signal Processing
  • Multiplexed Data Acquisition Systems
  • Audio and Telecom Processing
  • Spectrum Analysis
Part Models 6
1ku List Price Starting From $17.12

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC1276ACN#PBF
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LTC1276ACSW#PBF
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LTC1276ACSW#TRPBF
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LTC1276BCN#PBF
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LTC1276BCSW#PBF
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LTC1276BCSW#TRPBF
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Product Lifecycle

PCN

Mar 7, 2019

- 19_0046

Assembly Transfer of 18,20,24,28 Lead PDIP to Cirtek

Aug 10, 2022

- 22_0176

Laser Top Mark Conversion for SOIC_W Packages Assembled in ADPG [PNG] and UTL

LTC1276ACSW#PBF

PRODUCTION

LTC1276ACSW#TRPBF

PRODUCTION

LTC1276BCSW#PBF

PRODUCTION

LTC1276BCSW#TRPBF

PRODUCTION

Filter by Model

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Part Models

Product Lifecycle

PCN

Mar 7, 2019

- 19_0046

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Assembly Transfer of 18,20,24,28 Lead PDIP to Cirtek

Aug 10, 2022

- 22_0176

arrow down

Laser Top Mark Conversion for SOIC_W Packages Assembled in ADPG [PNG] and UTL

LTC1276ACSW#PBF

PRODUCTION

LTC1276ACSW#TRPBF

PRODUCTION

LTC1276BCSW#PBF

PRODUCTION

LTC1276BCSW#TRPBF

PRODUCTION

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