LTC2323-12
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LTC2323-12

Dual, 12-Bit + Sign, 5Msps Differential Input ADC with Wide Input Common Mode Range

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Part Details
Part Models 6
1ku List Price Starting From $8.25
Features
  • 5Msps Throughput Rate
  • ±0.5LSB INL (Typ)
  • Guaranteed 12-Bit, No Missing Codes
  • 8VP-P Differential Inputs with Wide Input Common Mode Range
  • 73dB SNR (Typ) at fIN = 2MHz
  • –85dB THD (Typ) at fIN = 2MHz
  • Guaranteed Operation to 125°C
  • Single 3.3V or 5V Supply
  • Low Drift (20ppm/°C Max) 2.048V or 4.096V Internal Reference
  • 1.8V to 2.5V I/O Voltages
  • CMOS or LVDS SPI-Compatible Serial I/O
  • Power Dissipation 38mW/Ch (Typ)
  • Small 28-Lead (4mm × 5mm) QFN Package
Additional Details
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The LTC2323-12 is a low noise, high speed dual 12-bit + sign successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operating from a single 3.3V or 5V supply, the LTC2323-12 has an 8VP-P differential input range, making it ideal for applications which require a wide dynamic range with high common mode rejection. The LTC2323-12 achieves ±0.5LSB INL typical, no missing codes at 12 bits and 73dB SNR.

The LTC2323-12 has an on-board low drift (20ppm/°C max) 2.048V or 4.096V temperature-compensated reference. The LTC2323-12 also has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 5Msps per channel throughput with one-cycle latency makes the LTC2323-12 ideally suited for a wide variety of high speed applications. The LTC2323-12 dissipates only 38mW per channel and offers nap and sleep modes to reduce the power consumption to 5μW for further power savings during inactive periods.


Bits
LTC2323-12 12
LTC2323-14 14
LTC2323-16 16

Applications

  • High Speed Data Acquisition Systems
  • Communications
  • Remote Data Acquisition
  • Imaging
  • Optical Networking
  • Multiphase Motor Control
Part Models 6
1ku List Price Starting From $8.25

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Feb 20, 2022

- 21_0269

Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

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Feb 20, 2022

- 21_0269

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Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products

LTC2323CUFD-12#PBF

PRODUCTION

LTC2323CUFD-12#TRPBF

PRODUCTION

LTC2323HUFD-12#PBF

PRODUCTION

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Evaluation Kit

Evaluation Kits 1

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DC1996A-E

LTC2323-12 Demo Board | Dual, 12-Bit, 5Msps True Differential Input Serial SAR ADC (Requires DC890)

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DC1996A-E

LTC2323-12 Demo Board | Dual, 12-Bit, 5Msps True Differential Input Serial SAR ADC (Requires DC890)

LTC2323-12 Demo Board | Dual, 12-Bit, 5Msps True Differential Input Serial SAR ADC (Requires DC890)

Product Detail

Demonstration circuit 1996A features the LTC2323 family. With up to 5Msps, these differential, dual channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 28-lead QFN package. The LTC2323 family has an internal 20ppm/°C reference and an SPI-compatible serial interface that supports CMOS and LVDS logic. Note the demo board is configured for CMOS operation by default; see the note under JP3 for LVDS operation. The demo manual refers to the LTC2323, but applies to all members of the family, the only difference being the sample rate and the number of bits.

Tools & Simulations

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