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LTC2251

Features: ·Sample Rate: 125Msps/105Msps·Single 3V Supply (2.85V to 3.4V)·Low Power: 395mW/320mW·61.6dB SNR·85dB 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: LTC2251 (10...

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SeekIC No. : 004402032 Detail

LTC2251: Features: ·Sample Rate: 125Msps/105Msps·Single 3V Supply (2.85V to 3.4V)·Low Power: 395mW/320mW·61.6dB SNR·85dB SFDR·No Missing Codes·Flexible Input: 1V P-P to 2V P-P Range·640MHz Full Power Bandwid...

LTC2251 Data Sheet

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Part Number:
LTC2251
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
·61.6dB SNR
·85dB 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: LTC2251 (10-Bit), LTC2253 (12-Bit)
105Msps: LTC2250 (10-Bit), LTC2252 (12-Bit)
80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit)
65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit)
40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit)
25Msps: LTC2236 (10-Bit), LTC2226 (12-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
LTC2251C, LTC2250C ................................ 0°C to 70°C
LTC2251I, LTC2250I ..............................40°C to 85°C
Storage Temperature Range ...............65°C to 125°C


Description

The LTC®2251/LTC2250 are 10-bit 125Msps/105Msps, low noise 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2251/ LTC2250 are perfect for demanding imaging and communications applications with AC performance that includes 61.6dB SNR and 85dB SFDR for signals at the Nyquist frequency.

DC specs include ±0.1LSB INL (typ), ±0.05LSB DNL (typ) and ±0.6LSB INL, ±0.6LSB DNL over temperature. The transition noise is a low 0.08LSBRMS.

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 LTC2251/ LTC2250  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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