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TS3004 Folha de dados(PDF) 1 Page - Silicon Laboratories |
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TS3004 Folha de dados(HTML) 1 Page - Silicon Laboratories |
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1 / 12 page  TS3004 Page 1 © 2014 Silicon Laboratories, 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: 3.3µs ≤ tFOUT ≤ 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: 160 Ω 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 oscillator/timer fully specified to operate over 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 the CMOS timer family of “NanoWatt Analog™” 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 |
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