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LTC2222-11

Features: 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...

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LTC2222-11: Features: 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 Inp...

LTC2222-11 Data Sheet

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Part Number:
LTC2222-11
Supply Ability:
5000

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Product Details

Description



Features:

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


Application

Wireless and Wired Broadband Communication
Cable Head-End Systems
Power Amplifier Linearization
Communications Test Equipment


Pinout

Connection Diagram


Specifications

Supply Voltage (VDD) ................................................. 4V
Digital Output Ground Voltage (OGND) ....... 0.3V to 1V
Analog Input Voltage (Note 3) .....0.3V to (VDD + 0.3V)
Digital Input Voltage ................... 0.3V to (VDD + 0.3V)
Digital Output Voltage ...............0.3V to (OVDD + 0.3V)
Power Dissipation ............................................ 1500mW
Operating Temperature Range
LTC2222-11C ..........................................  0°C to 70°C
LTC2222-11I ....................................... 40°C to 85°C
Storage Temperature Range .............65°C to 125°C


Description

The LTC®2222-11 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 of LTC2222-11 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.




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