TS3005ITD1033T

Overview

The TS3005ITD1033T is a single-supply oscillator/timer from Silicon Labs, designed for ultra-low power applications. It operates within a supply voltage range of 1.55V to 5.25V and consumes a maximum supply current of 1.9 µA across the -40°C to +85°C temperature range. The output period is user-programmable from 1.7ms to 33hrs using a single external resistor on the RSET pin, with a typical accuracy of 3% and a drift of 0.02%/°C. The device features separate FOUT and PWMOUT push-pull outputs with an internal driver resistance of 160Ω.

Feature Summary

• Ultra-low supply current of 1.35 µA at 49Hz (max 1.9 µA over full temperature range)
• Single-resistor frequency setting with programmable output period from 1.7ms to 33hrs
• Separate buffered FOUT and anti-phase PWMOUT signals with 160Ω output resistance
• Frequency divider inputs (FDIV2:0) allow adjustment of base frequency ranges

Applications

• Portable and battery-powered equipment requiring nanopower oscillators
• Compact replacement for crystal and ceramic oscillators in low-parts-count designs
• Micropower pulse-width modulation (PWM) control circuits
• Sequential timing and clock generation systems

Procurement Notes

Verify component authenticity through authorized channels as the TS3005ITD1033T is supplied in tape and reel packaging with a quantity of 3000 units. Confirm that the ordering suffix 'T' corresponds to the tape and reel carrier format specified by Silicon Labs. Ensure compliance with RoHS lead-free packaging standards during procurement.

Selection Notes

Select the TS3005ITD1033T when design requirements demand minimal PCB area and ultra-low quiescent current compared to standard 555-timer based solutions. Use this component if the application requires a fixed 50% duty cycle square wave or a separate PWM signal controlled by a single capacitor. Verify that the required output period falls within the 1.7ms to 33hrs range defined by the FDIV2:0 settings and RSET value.

Part Context

The TS3005ITD1033T belongs to the TS300x family of CMOS timers, which includes models such as the TS3001, TS3002, TS3003, TS3004, and TS3006. These devices are categorized under Silicon Labs' "NanoWatt Analog" high-performance analog integrated circuits. The ITD1033T designation specifically identifies the industrial temperature grade variant packaged in a 10-pin TDFN33EP-10 footprint.

Replacement Considerations

Publicly confirmed substitute part numbers for the TS3005ITD1033T are not available in the provided documentation.