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MFG:LINEAR  Package Cooled:N/A  D/C:575  

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Part Number: LT1319

 

MFG: LINEAR

Package Cooled: N/A

D/C: 575

Description: The LT®1319 is a general purpose building block that contains all the circuitry necessary to trans...


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LT1319 General Description


The LT®1319 is a general purpose building block that contains all the circuitry necessary to transform modulated photodiode signals back to digital signals. The circuit's flexibility permits it to receive multiple modulation methods. A low noise, high frequency preamplifier performs a current-to-voltage conversion while rejecting low frequency ambient interference with an AC coupling loop. Two separate high impedance filter buffer inputs are provided so that off-chip filtering can be tailored for specific modulation schemes. The filter buffers drive separate differential gain stages that end in comparators with internal hysteresis.

The comparator thresholds are adjustable externally by the current into Pin 11. One channel has a high speed 25ns comparator required for high data rates. The second channel's comparator has a 60ns response time and is well suited to more modest data rates. A power saving shutdown feature is useful in portable applications. For IRDA 4PPM contact the LTC Marketing Department.

LT1319 Maximum Ratings

Total Supply Voltage (VCC to GND) ........................... 6V
Differential Voltage (Any Two Pins) .......................... 6V
Maximum Junction Temperature ......................... 150°C
Operating Temperature Range .................... 0°C to 70°C
Specified Temperature Range ..................... 0°C to 70°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C

LT1319 Features

Receives Multiple IR Modulation Methods
Low Noise, High Speed Preamp: 2pA/ÖHz, 7MHz
Low Frequency Ambient Rejection Loops
Dual Gain Channels: 8MHz, 400V/V
25ns and 60ns Comparators
 16-Lead SO Package
5V Single Supply Operation
Supply Current: 14mA
Shutdown Supply Current: 500mA
External Comparator Threshold Setting

LT1319 Connection Diagram

LT1319  Connection Diagram

LT1319 datasheet

LT1319
PDF/DataSheet Download

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