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SM5548B Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SM5548BNPC250Yes

Manufacturer:** NPC (Nippon Precision Circuits Inc.

Manufacturer: NPC (Nippon Precision Circuits Inc.)

Part Number: SM5548B

Specifications:

  • Type: CMOS Real-Time Clock (RTC) IC
  • Supply Voltage: 1.3V to 5.5V
  • Low Power Consumption:
  • Typical operating current: 0.35µA (at 3V)
  • Clock Accuracy: ±3.4ppm (at 25°C)
  • Frequency Output: 32.768kHz
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOP-8 (Small Outline Package)

Descriptions:

The SM5548B is a low-power CMOS real-time clock IC designed for timekeeping applications. It features high accuracy and ultra-low power consumption, making it suitable for battery-powered devices such as watches, meters, and portable electronics.

Features:

  • Wide Voltage Range: Operates from 1.3V to 5.5V
  • High Precision: Built-in temperature-compensated crystal oscillator (TCXO)
  • Low Current Consumption: Ideal for battery-operated devices
  • Compact Package: SOP-8 for space-constrained designs
  • Stable Timekeeping: Maintains accuracy over a wide temperature range

This information is based on NPC's official documentation. For detailed application notes, refer to the manufacturer's datasheet.

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