LTC2255 - 14-Bit, 125Msps Low Power 3V ADCs

DC specs include ±1LSB INL (typ), ±0.5LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 1.3 LSBRMS.

A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.3V logic.

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.

Features
  • Sample Rate: 125Msps/105Msps
  • Single 3V Supply (2.85V to 3.4V)
  • Low Power: 395mW/320mW
  • 72.4dB SNR
  • 88dB SFDR
  • No Missing Codes
  • Flexible Input: 1VP-P to 2VP-P Range
  • 640MHz Full Power Bandwidth S/H
  • Clock Duty Cycle Stabilizer
  • Shutdown and Nap Modes
  • Pin Compatible Family 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit)
  • 32-Pin (5mm × 5mm) QFN Package
Typical Application

Applications
  • Wireless and Wired Broadband Communication
  • Imaging Systems
  • Ultrasound
  • Spectral Analysis
  • Portable Instrumentation
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC2255CUH#PBF5x5 QFN-32C$70.00$49.00
LTC2255CUH#TRPBF5x5 QFN-32C$49.10
LTC2255IUH#PBF5x5 QFN-32I$84.00$58.80
LTC2255IUH#TRPBF5x5 QFN-32I$58.90
Demo Boards
Part NumberDescriptionPrice
DC782A-SLTC2255IUH | High Speed ADC, VDD = +3.0V, 125Msps, 14-Bit 10MHz < Ain < 170MHz, req DC718Contact Factory
DC900A-01VCombo Demoboard for LTC2255 and LT1993-2 (6dB) Req DC718Contact Factory
DC900A-02UCombo Demoboard for LTC2255 and LT1993-4 (12dB) Req DC718Contact Factory
Companion Boards
Part NumberDescriptionPrice
DC718CUSB Data Acquisition Controller, for PScope Evaluation Kits (<135Mbps)$300.00
Datasheet
Design Note
Reliability Data
Product Selector Card
Press Release
Software and Simulation
Related Product
LTC2255/LTC2254 - 14-Bit, 125/105Msps Low Power 3V ADCs
DN439 - Signal Chain Noise Analysis for RF-to-Digital Receivers
R478 - Reliability Data
14-Bit/12-Bit 125Msps Quad/Dual ADC Family
High Speed Amplifiers/ADC Drivers
低功耗的 125Msps、14 位宽带 ADC (低功率 ADC 提高基站功率效率并延长便携式电子产品的电池寿命)
LTC2249 - IBIS Model
LTC2255 Footprints and Symbols