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LTC2222

Features: Sample Rate: 105Msps/80Msps 68dB SNR up to 140MHz Input 80dB SFDR up to 170MHz Input 775MHz Full Power Bandwidth S/H Single 3.3V Supply Low Power Dissipation: 475mW/366mW Selectable Input Ranges: ±0.5V or ±1V No Missing Codes Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes D...

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SeekIC No. : 004402008 Detail

LTC2222: Features: Sample Rate: 105Msps/80Msps 68dB SNR up to 140MHz Input 80dB SFDR up to 170MHz Input 775MHz Full Power Bandwidth S/H Single 3.3V Supply Low Power Dissipation: 475mW/366mW Selectable Input...

LTC2222 Data Sheet

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Part Number:
LTC2222
Supply Ability:
5000

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Product Details

Description



Features:

Sample Rate: 105Msps/80Msps
68dB SNR up to 140MHz Input
80dB SFDR up to 170MHz Input
775MHz Full Power Bandwidth S/H
Single 3.3V Supply
Low Power Dissipation: 475mW/366mW
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 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
LTC2222C, LTC2223C .............................  0°C to 70°C
LTC2222I, LTC2223I ........................... 40°C to 85°C
Storage Temperature Range .............65°C to 125°C


Description

The LTC®2222 and LTC2223 are 105Msps/80Msps, sampling 12-bit A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2222/ LTC2223 are perfect for demanding communications applications with AC performance that includes 68dB SNR and 80dB spurious free dynamic range for signals up to 170MHz. Ultralow jitter of 0.15psRMS allows undersampling of IF frequencies with excellent noise performance. DC specs include ±0.3LSB INL (typ), ±0.2LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.5LSBRMS.

A separate output power supply of LTC2222 and LTC2223 allows the outputs to drive 0.5V to 3.3V logic.

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.




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