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LTC2253

Features: · Sample Rate: 125Msps/105Msps· Single 3V Supply (2.85V to 3.4V)· Low Power: 395mW/320mW· 70.2dB SNR· 88dB SFDR· No Missing Codes· Flexible Input: 1V P-P to 2V P-P Range· 640MHz Full Power Bandwidth S/H· Clock Duty Cycle Stabilizer· Shutdown and Nap Modes· Pin Compatible Family125Msps: L...

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SeekIC No. : 004402034 Detail

LTC2253: Features: · Sample Rate: 125Msps/105Msps· Single 3V Supply (2.85V to 3.4V)· Low Power: 395mW/320mW· 70.2dB SNR· 88dB SFDR· No Missing Codes· Flexible Input: 1V P-P to 2V P-P Range· 640MHz Full Power...

LTC2253 Data Sheet

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Part Number:
LTC2253
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Sample Rate: 125Msps/105Msps
· Single 3V Supply (2.85V to 3.4V)
· Low Power: 395mW/320mW
· 70.2dB SNR
· 88dB SFDR
· No Missing Codes
· Flexible Input: 1V P-P to 2V P-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


Application

· Wireless and Wired Broadband Communication
·Imaging Systems
·Ultrasound
·Spectral Analysis
·Portable Instrumentation


Pinout

Connection Diagram


Specifications

OVDD = VDD (Notes 1, 2)
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
LTC2253C, LTC2252C ............................. 0°C to 70°C
LTC2253I, LTC2252I ...........................40°C to 85°C
Storage Temperature Range .............65°C to 125°C
Lead Temperature (Soldering, 10 sec)................ 300°C


Description

The LTC®2253/LTC2252 are 12-bit 125Msps/105Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2253/ LTC2252 are perfect for demanding imaging and communications applications with AC performance that includes 70.1dB SNR and 85dB SFDR for signals at the Nyquist frequency.

DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.32LSBRMS.

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 of LTC2253/ LTC2252 controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles.




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