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LTC1273

Features: Single Supply 5V or ±5V Operation 300ksps Sample Rate 75mW (Typ) Power Dissipation On-Chip 25ppm/°C Reference Internal Synchronized Clock; No Clock Required High Impedance Analog Input 70dB S/(N + D) and 77dB THD at Nyquist±1/2LSB INL and ±3/4LSB DNL Max (A Grade)ESD Protected On All Pin...

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SeekIC No. : 004401469 Detail

LTC1273: Features: Single Supply 5V or ±5V Operation 300ksps Sample Rate 75mW (Typ) Power Dissipation On-Chip 25ppm/°C Reference Internal Synchronized Clock; No Clock Required High Impedance Analog Input 70d...

LTC1273 Data Sheet

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Part Number:
LTC1273
Supply Ability:
5000

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

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Product Details

Description



Features:

Single Supply 5V or ±5V Operation
300ksps Sample Rate
75mW (Typ) Power Dissipation
On-Chip 25ppm/°C Reference
Internal Synchronized Clock; No Clock Required
High Impedance Analog Input
70dB S/(N + D) and 77dB THD at Nyquist
±1/2LSB INL and ±3/4LSB DNL Max (A Grade)
 ESD Protected On All Pins
24-Pin Narrow DIP and SOL Packages
Variety of Input Ranges: 0V to 5V (LTC1273)±2.5V (LTC1275)±5V (LTC1276)


Application

High Speed Data Acquisition
Digital Signal Processing
Multiplexed Data Acquisition Systems
Audio and Telecom Processing
Spectrum Analysis


Pinout

Connection Diagram


Specifications

Supply Voltage (VDD) ..............................................  12V
Negative Supply Voltage (VSS)
   LTC1275/LTC1276..................................  6V to GND
Total Supply Voltage (VDD to VSS)
   LTC1275/LTC1276...............................................  12V
Analog Input Voltage (Note 3)
   LTC1273 ..................................  0.3V to VDD + 0.3V
   LTC1275/LTC1276.............  VSS 0.3V to VDD + 0.3V
Digital Input Voltage (Note 4)
   LTC1273 ..............................................  0.3V to 12V
   LTC1275/LTC1276........................  VSS 0.3V to 12V
Digital Output Voltage (Note 3)
   LTC1273 .................................  0.3V to VDD + 0.3V
   LTC1275/LTC1276.............  VSS 0.3V to VDD + 0.3V
Power Dissipation ...........................................  500mW
Operating Temperature Range
   LTC1273AC, LTC1273BC, LTC1275AC
   LTC1275BC, LTC1276AC, LTC1276BC . 0°C to 70°C
Storage Temperature Range ...........65°C to 150°C
Lead Temperature (Soldering, 10 sec) ............. 300°C


Description

The LTC1273/LTC1275/LTC1276 are 300ksps, sampling12-bit A/D converters that draw only 75mW from single5V or ±5V supplies. These easy-to-usedevices comecomplete with 600ns sample-and-holds, precision refer-ences and internally trimmed clocks. Unipolar and bipo-lar conversion modes provide flexibility for various appli-ations. They are built with LTBiCMOSTMswitched ca-pacitor technology.

These devices have  25ppm/°C (max) internal references.The LTC1273 converts 0V to 5V unipolar inputs from asingle 5V supply. The LTC1275/LTC1276 convert ±2.5Vand ±5V respectively from ±5V supplies. Maximum DCspecifications include ±1/2LSB INL, ±3/4LSB DNL and25ppm/°C full scale drift over temperature. OutstandingAC performance includes 70dB S/(N + D) and 77dB THDat the Nyquist input frequency of 150kHz.

The internal clock is trimmed for 2.7µs maximum conver-sion time. The clock automatically synchronizes to eachsample command eliminating problems with asynchro-nous clock noise found in competitive devices. A highspeed parallel interface eases connections to FIFOs, DSPsand microprocessors.




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