Email: sales@xtalong.com Tel: +86-28-80192520
Email: sales@xtalong.com Tel: +86-28-80192520
High-precision RFC Series 32.768kHz RTC Oscillator for BMS & Smart Meters. Features ±5ppm stability, ultra-low 1.5uA power consumption, and AEC-Q200 compliance. Shop 3.2x2.5mm TCXO today.
RFC Series: 3.2x2.5mm High-Precision & Low Power RTC Oscillator (32.768kHz)
Product Overview :
The RFC Series is a state-of-the-art Real-Time Clock (RTC) oscillator designed for demanding environments. Housed in a compact 3225 (3.2x2.5mm) SMD package, this series offers exceptional frequency stability of up to ±5ppm. With its ultra-low current consumption of only 1.5µA, it is the perfect timing solution for battery-powered IoT devices, automotive BMS, and smart metering applications.
Key Features :
High Precision: Temperature-compensated (TCXO) versions achieve ±5ppm stability from -40°C to +85°C.
Ultra-Low Power: Draws only 1.5µA, significantly extending the battery life of portable electronics.
Automotive Grade: Fully compliant with AEC-Q200 standards for high reliability in harsh conditions.
Wide Voltage Range: Supports a flexible supply voltage from 1.6V to 5.5V.
Superior Environmental Resistance: Engineered for excellent heat resistance and long-term stability.
Technical Specifications:
| Model | RFC3225 | ||
| Temp.compensation Non temp.compensation | |||
| Nominal frequency range | 32.768KHz | 32.768KHz | |
| Oscillation mode | Fundamental(AT-cut) | Fundamental(AT-cut) | |
| Supply voltage (VDD) | 1.6V~5.5V | 1.2V~5.5V | |
| Backup Battery voltage | 1.6V~5.5V | 1.2V~5.5V | |
| Frequency tolerance at 25℃±3℃ | ±10ppm | 5±23ppm | |
| Operating temperature range | -40℃~85℃ | -40℃~105℃ | -40℃~85℃ |
| Frequency stability over temperature(Ref.to 25℃) | ±5ppm | ±20ppm | -120~+10ppm at-20℃~+70℃ |
| Storage temperature range | -55℃~125℃ | ||
| Duty cycle | 40~60% | 40~60% | |
| Current consumption | 1.5uA Type | 1.5uA Type | |
| Start-up time | 1.0us Max | 1.0us Max | |
| Load capacitance | Customized | Customized | |
| Aging at first year | ±3.0ppm | ±3.0ppm | |
Dimension:mm
Pin function:
| Pin | Function |
| #1 | FOE |
| #2 | VDD |
| #3 | EVIN |
| #4 | FOUT |
| #5 | SCL |
| #6 | SOUT |
| #7 | SDA |
| #8 | T2 |
| #9 | GND |
| #10 | /INT |
Target Applications:
BMS (Battery Management Systems): Ensuring accurate data logging in electric vehicles and energy storage.
Smart Meters: Reliable timekeeping for electricity, water, and gas meters with decadal lifespans.
Communication Devices: Precision timing for 5G base stations and networking hardware.
Portable Terminals: Ideal for handheld scanners, wearables, and medical IoT devices.
Q: Why use a 32.768kHz TCXO for BMS?
A: A TCXO like the RFC series provides high stability (±5ppm) across temperature fluctuations, ensuring accurate time-stamping for battery data which is critical for safety and efficiency.
Contact: Katya Vane
Phone: +86-18884136031
Tel: +86-28-80192520
Email: sales@xtalong.com
Add: No.4 of XinHang Road, West of High-tech zone, Chengdu City 611731, China
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