Linear Technology’s LTC2165, LTC2185 and LTC2195 analog-to-digital converters

Linear Technology launched three families of low power 16-bit, 25Msps to 125Msps analog-to-digital converters (ADCs) that it claims dissipate approximately half the power of competing 16-bit products.

The LTC2165 and LTC2185 families are single- and two-channel simultaneous sampling parallel ADCs , respectively, offering a choice of full-rate CMOS, or double data rate (DDR) CMOS/LVDS digital outputs with programmable digital output timing, programmable LVDS output current and optional LVDS output termination. The LTC2195 family includes two-channel, simultaneous sampling ADCs with serial LVDS outputs. Each ADC family offers a choice of pin-compatible converters, sampling from 25Msps up to 125Msps and optimized for the lowest power dissipation at the rated speed.

Applications include handheld test and instrumentation , radar/LIDAR, portable medical imaging, PET/SPECT scanners, smart antenna systems and a variety of low-power communication systems .

Key highlights:

  • 16-bit, 25Msps-125Msps ADCs
  • 76.8dB SNR, 90dB SFDR
  • Low Power: 185mW/Ch (125Msps)
  • Single 1.8V Supply
  • Flexible Digital Interfaces:
    • LTC2185/LTC2165: CMOS, DDR CMOS or DDR LVDS Outputs
    • LTC2195: Serial LVDS
  • Selectable Input Ranges: 1VP-P to 2VP-P
  • 550MHz Full-Power Bandwidth S/H
  • Optional Data Output Randomizer
  • Optional Clock Duty Cycle Stabilizer
  • Shutdown & Nap Modes
  • Serial SPI Port for Configuration
  • 48-Pin (7mm x 7mm) QFN Package (LTC2165)
  • 64-Pin (9mm x 9mm) QFN Package (LTC2185)
  • 52-Pin (7mm x 8mm) QFN Package (LTC2195)

Pricing : Starts at $60each for the single 125Msps device in 1,000-piece quantities.

Availability : Now.

Datasheets : LTC2165



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