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LTC2248

Features: ·Sample Rate: 65Msps/40Msps/25Msps·Single 3V Supply (2.7V to 3.4V)·Low Power: 205mW/120mW/75mW·74dB SNR up to 70MHz Input·80dB SFDR up to 140MHz Input·No Missing Codes·Flexible Input: 1V P-P to 2V P-P Range·575MHz Full Power Bandwidth S/H·Clock Duty Cycle Stabilizer·Shutdown and Nap Mode...

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SeekIC No. : 004402029 Detail

LTC2248: Features: ·Sample Rate: 65Msps/40Msps/25Msps·Single 3V Supply (2.7V to 3.4V)·Low Power: 205mW/120mW/75mW·74dB SNR up to 70MHz Input·80dB SFDR up to 140MHz Input·No Missing Codes·Flexible Input: 1V P...

LTC2248 Data Sheet

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Part Number:
LTC2248
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: 65Msps/40Msps/25Msps
·Single 3V Supply (2.7V to 3.4V)
·Low Power: 205mW/120mW/75mW
·74dB SNR up to 70MHz Input
·80dB SFDR up to 140MHz Input
·No Missing Codes
·Flexible Input: 1V P-P to 2V P-P Range
·575MHz Full Power Bandwidth S/H
·Clock Duty Cycle Stabilizer
·Shutdown and Nap Modes
·Pin Compatible Family
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
LTC2248C, LTC2247C, LTC2246C............. 0°C to 70°C
LTC2248I, LTC2247I, LTC2246I ...........40°C to 85°C
Storage Temperature Range ..............65°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C


Description

The LTC®2248/LTC2247/LTC2246 are 14-bit 65Msps/ 40Msps/25Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2248/LTC2247/LTC2246 are perfect for demanding imaging and communications applications with AC performance that includes 74dB SNR and 80dB SFDR for signals well beyond the Nyquist frequency.

DC specs include ±1LSB INL (typ), ±0.5LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 1LSBRMS.

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 LTC2248/LTC2247/LTC2246  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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