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LTC2910

Linear Technology
Part Number LTC2910
Manufacturer Linear Technology
Description Octal Positive/Negative Voltage Monitor
Published May 31, 2010
Detailed Description FEATURES 8 Low Voltage Adjustable Inputs (0.5V) ■ Guaranteed Threshold Accuracy: ±1.5V ■ Input Glitch Rejection ■ Pin Se...
Datasheet PDF File LTC2910 PDF File

LTC2910
LTC2910

Overview
FEATURES 8 Low Voltage Adjustable Inputs (0.
5V) ■ Guaranteed Threshold Accuracy: ±1.
5V ■ Input Glitch Rejection ■ Pin Selectable Input Polarity Allows Negative and OV Monitoring ■ Buffered 1V Reference Output ■ Adjustable Reset Timeout with Timeout Disable ■ 70µA Quiescent Current www.
DataSheet4U.
com ■ Open Drain RST and ⎯R⎯S⎯T Outputs ■ Guaranteed RST and ⎯R⎯S⎯T for V CC ≥ 1V ■ Available in 16-Lead SSOP and 16-Lead (5mm × 3mm) DFN Packages ■ LTC2910 Octal Positive/Negative Voltage Monitor DESCRIPTION The LTC®2910 is an octal input voltage monitor intended for monitoring multiple voltages in a variety of applications.
Each input has a nominal 0.
5V threshold, featuring 1.
5% tight threshold accuracy over the entire operating temperature range.
Glitch filtering ensures reliable reset operation without false or noisy triggering.
Polarity selection and a buffered reference allow monitoring up to two separate negative voltages.
A three state input pin allows setting the polarity of two inputs without requiring any external components.
The LTC2910 provides a precise, versatile, space-conscious, micropower solution for voltage monitoring.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
APPLICATIONS ■ ■ ■ Desktop and Notebook Computers Network Servers Core, I/O Voltage Monitors TYPICAL APPLICATION Octal Supply Monitor, 10% Tolerance, 12V, 5V (x2), 3.
3V (x2), 2.
5V, 1.
8V, 1.
2V 12V 5V TYPICAL TRANSIENT DURATION (µs) 3.
3V 2.
5V POWER SUPPLIES 1.
8V 1.
2V 5V 3.
3V 54.
9k 11k 11k 88.
7k 11k 12.
7k 11k 24.
9k 11k 39.
2k 11k 54.
9k 11k 88.
7k 11k 226k SYSTEM 600 500 400 300 200 VCC = 6V 100 VCC = 2.
3V 700 Typical Transient Duration vs Comparator Overdrive RESET OCCURS ABOVE CURVE V8 V7 V6 V5 V4 V3 V2 V1 VCC 0.
1µF 0 1 10 100 0.
1 COMPARATOR OVERDRIVE PAST THRESHOLD (%) 2910 TD01b LTC2910 GND TMR 1nF TIMEOUT = 8.
5ms DIS RST RST SEL 2910 TA01 2910fb 1 LTC2910 ABSOLUTE MAXIMUM RATINGS...


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