SIT1581

Product Overview

The SiT1581 is a sealed low-power MEMS oscillator covering 1 Hz to 2.5 MHz plus 32.768 kHz. Its 1.5×0.8 mm CSP package, 1.8/1.62–3.63 V supply and ±50 ppm stability deliver reliable long-term clocking for health monitors, smart pens and ULP input devices in harsh or portable environments.

Key Advantages

• Ultra-small size, ultra-low power, sealed package.
• Frequency range: 1 Hz – 2.5 MHz / 32.768 kHz (factory programmable).
• Compact 4-pin CSP package (1.5 × 0.8 mm) with LVCMOS output.
• 1.8/1.62–3.63 V supply and -40~+85°C operating range; frequency stability ±50 ppm.
• YQM ELECTRONICS supplies SIT1581 with fast samples, competitive pricing and FAE support. YQM is an authorized SiTime distributor.

Technical Specifications

Applications

• Health and wellness monitors
• Smart pens
• ULP input devices

FAQ

Q: What frequency range does SIT1581 support?

A: 1 Hz – 2.5 MHz / 32.768 kHz.

Q: What package and supply voltage does SIT1581 use?

A: 4-pin CSP (1.5 × 0.8 mm), 1.8/1.62–3.63 V.

Q: What is the frequency stability and operating temperature?

A: ±50 ppm / -40~+85°C.

Q: Where can I get SIT1581 samples?

A: YQM ELECTRONICS supplies SIT1581 with fast samples, competitive pricing and FAE support. YQM is an authorized SiTime distributor.