ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：MEMS OSC PROG BLANK 1MHZ-220MHZ
- Series：SiT3821
- Mfr：SiTime
- Package：Bulk
- Base Resonator：MEMS
- Type：VCXO
- Programmable Type：Blank (User Must Program)
- Available Frequency Range：1 MHz ~ 220 MHz
- Function：Enable/Disable, Standby
- Output：LVPECL
- Voltage - Supply：2.5V, 3.3V
- Frequency Stability：-
- Frequency Stability (Total)：±25ppm
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：69mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：6-SMD, No Lead
- Size / Dimension：0.276" L x 0.197" W (7.00mm x 5.00mm)
- Height - Seated (Max)：0.039" (1.00mm)
- Supplier Device Package：6-SMD (7x5)
Download product information
Overview
The SiTime SIT3821AI-1D2-XXXX000.FP0000X is a programmable Voltage-Controlled Crystal Oscillator (VCXO) manufactured by SiTime. It operates within a frequency range of 1 MHz to 220 MHz with a frequency stability of ±25 ppm. The device supports supply voltages from 2.5 V to 3.3 V and features an LVPECL output format. It is housed in a 6-SMD, No Lead package measuring 7 mm x 5 mm x 0.9 mm. The component functions across a temperature range of -40°C to +85°C and has a maximum current rating of 61 mA.
Feature Summary
- Programmable MEMS VCXO architecture for flexible frequency generation
- LVPECL output interface for high-speed digital applications
- Integrated enable/disable and standby control capabilities
Applications
- Telecommunications infrastructure equipment
- High-speed data transmission systems
- Test and measurement instrumentation
Procurement Notes
Verify the specific frequency configuration required for your application, as this part number represents a customizable programmable oscillator series. Confirm that the LVPECL output format aligns with your system's input requirements. Ensure the operating voltage range of 2.5V to 3.3V matches your power supply design. Check the lead time availability through authorized distributors, as production cycles may vary based on current demand and manufacturing schedules.
Selection Notes
Select this component when precise frequency tuning via voltage control is necessary within the 1 MHz to 220 MHz range. The LVPECL output is suitable for differential signaling applications requiring low jitter. Consider the ±25 ppm stability specification against your system's timing accuracy requirements. The wide operating temperature range makes it suitable for industrial environments. Ensure the 6-SMD package footprint fits your PCB layout constraints.
Part Context
This model belongs to the SiT3821 series of programmable oscillators from SiTime. These devices utilize MEMS technology to replace traditional quartz crystals, offering greater flexibility in frequency selection. The series includes various output formats and package options to accommodate different design needs. The SiT3821 series is designed for applications requiring robust performance and compact form factors.
Replacement Considerations
Direct replacements include other SiT3821 variants with different output formats or packages, such as SIT3821AI-1B2-XXXX000.FP0000X or SIT3821AI-1C2-XXXX000.FP0000X. Verify compatibility regarding output signal type, package dimensions, and electrical specifications before substitution.
