LTC2222-11 - 11-Bit, 105Msps ADC


  • Sample Rate: 105Msps
  • 65.4dB SNR up to 140MHz Input
  • 80dB SFDR up to 150MHz Input
  • 775MHz Full Power Bandwidth S/H
  • Single 3.3V Supply
  • Low Power Dissipation: 475mW
  • CMOS Outputs
  • Selectable Input Ranges: ±0.5V or ±1V
  • No Missing Codes
  • Optional Clock Duty Cycle Stabilizer
  • Shutdown and Nap Modes
  • Data Ready Output Clock
  • Pin Compatible Family
     135Msps: LTC2224 (12-Bit), LTC2234 (10-Bit)
     105Msps: LTC2222 (12-Bit), LTC2232 (10-Bit)
     80Msps: LTC2223 (12-Bit), LTC2233 (10-Bit)
  • 48-Pin 7mm × 7mm QFN Package

Typical Application

LTC2222-11 Typical Application
LTC2222-11 Typical Application


The LTC2222-11 is a 105Msps, sampling 11-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2222-11 is perfect for demanding communications applications with AC performance that includes 65.4dB SNR and 80dB spurious free dynamic range for signals up to 150MHz. Ultralow jitter of 0.15psRMS allows undersampling of IF frequencies with excellent noise performance.

DC specs include ±0.15LSB INL (typ), ±0.1LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.25LSBRMS.

A separate output power supply allows the CMOS output swing to range from 0.5V to 3.3V.

The ENC+ and ENC– inputs may be driven differentially or single ended with a sine wave, PECL, LVDS, TTL, or CMOS inputs. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.


For complete and up to date package information and drawings, please refer to our packaging page

Part Number Package Code Temp Package
LTC2222CUK-11#PBF 7x7 QFN-48 UK C 05-08-1704 Yes
LTC2222CUK-11#TRPBF 7x7 QFN-48 UK C 05-08-1704 Yes
LTC2222IUK-11#PBF 7x7 QFN-48 UK I 05-08-1704 Yes
LTC2222IUK-11#TRPBF 7x7 QFN-48 UK I 05-08-1704 Yes

LTC2222-11 Package Drawing

Order Info

  • Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
  • Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
  • Please refer to our general ordering information or the product datasheet for more details

Package Variations and Pricing

Part Number Package Temp Price
LTC2222CUK-11#PBF 7x7 QFN-48 C $20.71 $14.50 Yes
LTC2222CUK-11#TRPBF 7x7 QFN-48 C $14.60 Yes
LTC2222IUK-11#PBF 7x7 QFN-48 I $24.86 $17.40 Yes
LTC2222IUK-11#TRPBF 7x7 QFN-48 I $17.50 Yes
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* The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology sales office or authorized distributor.

Demo Boards

Linear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.

Part Number Description Price Documentation
DC751A-M LTC2222IUK-11 | High Speed ADC, VDD = +3.3V, 105Msps, 11-Bit 1MHz < Ain < 100MHz (Requires DC718) $200.00
DC751A-N LTC2222IUK-11 | High Speed ADC, VDD = +3.3V, 105Msps, 11-Bit 100MHz< Ain <250MHz (Requires DC718) $200.00
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Companion Boards

Part Number Description Price Documentation
DC718C USB Data Acquisition Controller, for PScope Evaluation Kits (<135Mbps) $300.00
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