LTC2289

PRODUCTION

Dual 10-Bit, 80Msps Low Noise 3V ADC

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Overview

  • Integrated Dual 10-Bit ADCs
  • Sample Rate: 80Msps
  • Single 3V Supply (2.7V to 3.4V)
  • Low Power: 422mW
  • 61.6dB SNR at 70MHz Input
  • 85dB SFDR at 70MHz Input
  • 110dB Channel Isolation at 100MHz
  • Multiplexed or Separate Data Bus
  • Flexible Input: 1VP-P to 2VP-P Range
  • 575MHz Full Power Bandwidth S/H
  • Clock Duty Cycle Stabilizer
  • Shutdown and Nap Modes
  • Pin Compatible Family
    • 105Msps: LTC2282 (12-Bit), LTC2280 (10-Bit)
    • 80Msps: LTC2294 (12-Bit), LTC2289 (10-Bit)
    • 80Msps: LTC2294 (12-Bit), LTC2289 (10-Bit)
    • 65Msps: LTC2293 (12-Bit), LTC2288 (10-Bit)
    • 40Msps: LTC2292 (12-Bit), LTC2287 (10-Bit)
    • 25Msps: LTC2291 (12-Bit), LTC2286 (10-Bit)
  • 64-Pin (9mm × 9mm) QFN Package

The LTC2289 is a 10-bit 80Msps, low noise 3V dual A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2289 is perfect for demanding imaging and communications applications with AC performance that includes 61.6dB SNR and 85dB SFDR for signals well beyond the Nyquist frequency.

DC specs include ±0.1LSB INL (typ), ±0.1LSB DNL (typ) and ±0.6LSB INL, ±0.5LSB DNL over temperature. The transition noise is a low 0.08LSBRMS.

A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.6V logic. An optional multiplexer allows both channels to share a digital output bus.

A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.

Applications

  • Wireless and Wired Broadband Communication
  • Imaging Systems
  • Spectral Analysis
  • Portable Instrumentation
LTC2289
Dual 10-Bit, 80Msps Low Noise 3V ADC
SNR vs Input Frequency, –1dB, 2V Range, 80Msps Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

Evaluation Software 1

LinearLab Tools

A collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards.

Hardware Ecosystem

Parts Product Life Cycle Description
Differential Amplifiers 1
LTC6420-20
LAST TIME BUY Dual Matched 1.8GHz Differential Amplifiers/ADC Drivers
Phase-Locked Loop (PLL) Synthesizers 1
LTC6946
LAST TIME BUY Ultralow Noise and Spurious 0.37GHz to 6.39GHz Integer-N Synthesizer with Integrated VCO
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Tools & Simulations

IBIS Model 1

Evaluation Kits

eval board
schematic 1
DC851A-O

LTC2289IUP | DeMUX Dual ADC, +3.0V, 80Msps 10-Bit 1MHz < AIN < 70MHz, (Requires DC890)

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Product Details

DC851A-O: Demo Board for the LTC2289 Dual 10-Bit, 80Msps Low Noise 3V ADC.
DC851A-O
LTC2289IUP | DeMUX Dual ADC, +3.0V, 80Msps 10-Bit 1MHz < AIN < 70MHz, (Requires DC890)
DC851A-A - Schematic

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