Overview
The EMI2121MTTAG, produced by onsemi, is an integrated common mode filter that provides both ESD protection and EMI filtering for high-speed serial digital interfaces, such as USB 2.0. This component is designed to offer cost and space savings over discrete solutions by integrating multiple functions into a single device. It is packaged in a small RoHS-compliant WDFN8 package, measuring 2.0 mm in length, 2.2 mm in width, and 0.75 mm in height.
Key Specifications
| Parameter | Symbol | Value | Units |
|---|---|---|---|
| Operating Temperature Range | TOP | −40 to +85 | °C |
| Storage Temperature Range | TSTG | −65 to +150 | °C |
| Maximum Lead Temperature for Soldering | TL | 260 | °C |
| DC Current per Line | ILINE | 100 | mA |
| Channel Input Capacitance to Ground | CIN | 0.8 - 1.3 | pF |
| Differential Mode Cut-Off Frequency | f3dB | > 2 GHz | |
| Common Mode Stop Band Attenuation at 800 MHz | Fatten | > 30 dB | |
| ESD Protection (Contact Discharge) | VESD | ±12 kV | |
| Working Voltage | VRWM | 5.0 | V |
| Breakdown Voltage | VBR | 5.5 - 9.0 | V |
Key Features
- Highly integrated common mode filter (CMF) with ESD protection, providing both EMI reduction and protection for high-speed serial data lines.
- Large differential mode bandwidth with a cutoff frequency greater than 2 GHz.
- High common mode stop band attenuation: >25 dB at 700 MHz, >30 dB at 800 MHz.
- Provides ESD protection to IEC61000-4-2 Level 4, ±12 kV contact discharge.
- Low channel input capacitance for superior impedance matching performance.
- Low profile package with a small footprint in WDFN8 (2.0 mm x 2.2 mm x 0.75 mm).
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
- AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
Applications
- USB 2.0 and other high-speed differential data lines in mobile phones.
- Digital still cameras.
- Automotive interfaces.
- MIPI D-PHY devices.
Q & A
- What is the primary function of the EMI2121MTTAG?
The primary function is to provide both ESD protection and EMI filtering for high-speed serial digital interfaces such as USB 2.0.
- What is the operating temperature range of the EMI2121MTTAG?
The operating temperature range is from −40°C to +85°C.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260°C.
- What level of ESD protection does the EMI2121MTTAG offer?
The EMI2121MTTAG offers ESD protection to IEC61000-4-2 Level 4, ±12 kV contact discharge.
- What is the typical common mode stop band attenuation at 800 MHz?
The typical common mode stop band attenuation at 800 MHz is greater than 30 dB.
- Is the EMI2121MTTAG RoHS compliant?
- What are the typical applications of the EMI2121MTTAG?
Typical applications include USB 2.0 and other high-speed differential data lines in mobile phones, digital still cameras, and automotive interfaces.
- What is the package type and dimensions of the EMI2121MTTAG?
The package type is WDFN8, with dimensions of 2.0 mm x 2.2 mm x 0.75 mm.
- Is the EMI2121MTTAG suitable for automotive applications?
- What is the differential mode cutoff frequency of the EMI2121MTTAG?
The differential mode cutoff frequency is greater than 2 GHz.
