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TS3004 Datasheet(PDF) 1 Page - Touchstone Semiconductor Inc |
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TS3004 Datasheet(HTML) 1 Page - Touchstone Semiconductor Inc |
1 / 11 page TS3004 Page 1 © 2013 Touchstone Semiconductor, Inc. All rights reserved. FEATURES Ultra Low Supply Current: 1.9 μA at 25kHz Supply Voltage Operation: 1.55V to 5.25V Single Resistor Sets FOUT at 50% Duty Cycle 3-pin User-Programmable FOUT Period: 3.3µ s ≤ t FOUT ≤ 233s FOUT Period Accuracy: 3% FOUT Period Drift: 0.02%/ºC Single Resistor Sets Output Frequency Separate PWM Control and Buffered Output FOUT/PWMOUT Output Driver Resistance: 160Ω APPLICATIONS Portable and Battery-Powered Equipment Low-Parts-Count Nanopower Oscillator Compact Micropower Replacement for Crystal and Ceramic Oscillators Micropower Pulse-width Modulation Control Micropower Pulse-position Modulation Control Micropower Clock Generation Micropower Sequential Timing DESCRIPTION The TS3004 is a single-supply, second-generation Touchstone Semi oscillator/timer fully specified to operate at a supply voltage range of 1.55V to 5.25V while consuming less than 2.4 μA(max) supply current. Requiring only a resistor to set the base output frequency (or output period) at 25kHz (or 40µs) with a 50% duty cycle, the TS3004 timer/oscillator is compact, easy-to-use, and versatile. Optimized for ultra-long life, low frequency, battery-powered/portable applications, the TS3004 joins the TS3001, TS3002, TS3003 and TS3006 in Touchstone’s CMOS timer family in its “NanoWatt Analog™” series of high-performance analog integrated circuits. The TS3004 output period can be user-adjusted from 3.3µs to 233s without additional components. In addition, the TS3004 represents a 25% reduction in pcb area and a factor-of-10 lower power consumption over other CMOS-based integrated circuit oscillators/timers. When compared against industry- standard 555-timer-based products, the TS3004 offers up to 84% reduction in pcb area and over three orders of magnitude lower power consumption. The TS3004 is fully specified over the -40°C to +85°C temperature range and is available in a low-profile, 10-pin 3x3mm TDFN package with an exposed back-side paddle. A 1.55V to 5.25V, 1.9µA, 3.3µs to 233s Silicon Timer TYPICAL APPLICATION CIRCUIT TS3004 Flashing Railroad Lights Circuit The Touchstone Semiconductor logo and “NanoWatt Analog” are registered trademarks of Touchstone Semiconductor, Incorporated. |
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