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LTC1799HS5 DataSheet

LTC1799HS5 DataSheet

Part No.
LTC1799HS5
Part Marking
LTND
Temperature
–40°C to 125°C
Package
5-Lead Plastic TSOT-23
File Size
395 KB
Page
14 Pages
Manufacturer
Linear Technology
Views
2
Upload Time
2022-06-10 12:10:35
Update Time
2022-06-10
Description
IC OSC SILICON PROG TSOT23-5
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LTC1799HS5 Features

■ One External Resistor Sets the Frequency
■ Fast Start-Up Time: <1ms
■ 1kHz to 33MHz Frequency Range
■ Frequency Error ≤1.5% 5kHz to 20MHz (TA = 25°C)
■ Frequency Error ≤2% 5kHz to 20MHz (TA = 0°C to 70°C)
■ ±40ppm/°C Temperature Stability
■ 0.05%/V Supply Stability
■ 50% ±1% Duty Cycle 1kHz to 2MHz
■ 50% ±5% Duty Cycle 2MHz to 20MHz
■ 1mA Typical Supply Current
■ 100Ω CMOS Output Driver
■ Operates from a Single 2.7V to 5.5V Supply
■ Low Profile (1mm) SOT-23 (ThinSOT™ Package)
■ AEC-Q100 Qualified for Automotive Applications

LTC1799HS5 Applications

■ Low Cost Precision Oscillator
■ Switching Power Supply Clock Reference
■ Clocking Switched Capacitor Filters
■ Fixed Crystal Oscillator Replacement
■ Ceramic Oscillator Replacement

LTC1799HS5 Description

The LTC1799HS5 is a precision oscillator that is easy to use and occupies very little PC board space. The oscillator frequency is programmed by a single external resistor (RSET). The LTC1799 has been designed for high accuracy operation (≤1.5% frequency error) without the need for external trim components.

The LTC1799HS5 operates with a single 2.7V to 5.5V power supply and provides a rail-to-rail, 50% duty cycle square wave output. The CMOS output driver ensures fast rise/fall times and rail-to-rail switching. The frequency-setting resistor can vary from 3k to 1M to select a master oscillator frequency between 100kHz and 33MHz (5V supply). The three-state DIV input determines whether the master clock is divided by 1, 10 or 100 before driving the output, providing three frequency ranges spanning 1kHz to 33MHz (5V supply). The LTC1799 features a proprietary feedback loop that linearizes the relationship between RSET and frequency, eliminating the need for tables to calculate frequency.

Related LTC1799HS5 Datasheet

Part No.
Datasheet

395Kb / 14P

395Kb / 14P

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