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SIT1532AC-J5-DCC-32.768D

SIT1532AC-J5-DCC-32.768D

SiTime
32.768 kHz XO (Standard) LVCMOS Oscillator 1.2V ~ 3.63V 4-UFBGA, CSPBGA
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Overview

The SIT1532AC-J5-DCC-32.768D is an ultra-small, low-power 32.768 kHz MEMS oscillator designed to replace traditional quartz crystals. It features an integrated LVCMOS output and operates over a wide voltage range from 1.2V to 3.63V, making it ideal for battery-powered systems.

Why Choose This Part

This MEMS oscillator eliminates the need for external load capacitors, significantly reducing PCB area compared to quartz crystals. It offers superior robustness against shock and vibration while supporting a wide supply voltage up to 3.63V.

Applications

RTC Reference Clock
Provides a stable 32.768 kHz time base for Real-Time Clocks in ultra-low power microcontrollers.
Wearable Electronics
The 1.5mm x 0.8mm CSP footprint is optimized for space-constrained health trackers and smartwatches.
Battery Management Systems
Low current consumption extends the shelf life of power-sensitive monitoring circuits.
IoT Sleep Timers
Acts as the low-frequency wake-up clock for wireless SoCs during deep sleep modes.

Key Specifications

Type XO (Standard)
Output LVCMOS
Frequency 32.768 kHz
Mounting Type Surface Mount
Base Resonator MEMS
Package / Case 4-UFBGA, CSPBGA
Size / Dimension 0.061" L x 0.033" W (1.54mm x 0.84mm)
Voltage - Supply 1.2V ~ 3.63V
Frequency Stability +/-75ppm
Height - Seated (Max) 0.024" (0.60mm)
Operating Temperature -10degC ~ 70degC
Current - Supply (Max) 1.3uA
Supplier Device Package 4-CSP (1.54x.84)

Getting Started

Integrate this oscillator by connecting the LVCMOS output directly to the XTAL_IN or CLKIN pin of your MCU; no external capacitors are required. Ensure the trace length is minimized to reduce parasitic capacitance and EMI in high-density layouts.

Categories

Clocks & Timing > Crystal Oscillators IoT & Smart Devices > Smart Home & Building