Overview
The CM1230-02CP is a part of the CM1230 family of low-capacitance ESD protection diode arrays produced by onsemi. This device is available in a 2-channel configuration and is packaged in a Chip Scale Package (CSP) form factor. It is designed to provide robust ESD protection for high-speed data and clock lines, making it ideal for applications in mobile handsets, notebook computers, and other portable electronic devices. The CM1230-02CP features very low capacitance, which is crucial for maintaining the integrity of high-speed serial interfaces.
Key Specifications
| Parameter | Rating | Units |
|---|---|---|
| Operating Supply Voltage (VP - VN) | 6.0 | V |
| Operating Temperature Range | –40 to +85 | °C |
| Storage Temperature Range | –65 to +150 | °C |
| DC Voltage at any Channel Input | (VN - 0.5) to (VP + 0.5) | V |
| Operating Supply Current (VP - VN) = 3.3 V | 8.0 | µA |
| Diode Forward Voltage (Top Diode, Bottom Diode) | 0.60 - 0.95 | V |
| Channel Leakage Current | ±0.1 - ±1.0 | µA |
| Channel Input Capacitance | 0.80 - 1.2 | pF |
| Channel Input Capacitance Matching | 0.02 | pF |
| Mutual Capacitance between signal pin and adjacent signal pin | 0.15 | pF |
| In-system ESD Protection (Contact Discharge, Human Body Model) | ±8 kV, ±15 kV | kV |
| Channel Clamp Voltage (Positive Transients, Negative Transients) | +9.8, –1.8 | V |
| Dynamic Resistance (Positive Transients, Negative Transients) | 0.76, 0.56 | Ω |
Key Features
- Two, Four, and Eight Channels of ESD Protection (CM1230-02CP is a 2-channel version)
- Provides ESD Protection to IEC61000-4-2 Level 4 ±8 kV Contact Discharge & ±15 kV Air Discharge
- Low Loading Capacitance of 0.8 pF Typical
- Minimal Capacitance Change with Temperature and Voltage
- Channel I/O to GND Capacitance Difference of 0.02 pF Typical, ideal for differential signals
- Channel I/O to I/O Capacitance 0.15 pF Typical
- Zener Diode Protects Supply Rail and Eliminates the Need for External By-pass Capacitors
- Each I/O Pin Can Withstand Over 1000 ESD Strikes
- Available in 4, 6, and 10 Bump Chip Scale Packages (CSP)
- OptiGuard Coated for Improved Reliability at Assembly
- Pb-Free and RoHS Compliant
Applications
- I/O Port Protection for Mobile Handsets, Notebook Computers, DSCs, MP3 Players, PDAs, etc. including USB, 1394, and Serial ATA
- LCD and Camera Data Lines in Wireless Handsets using High-speed Serial Interfaces
- Wireless Handsets
- Handheld PCs/PDAs
- LCD and Camera Modules
Q & A
- What is the CM1230-02CP used for? The CM1230-02CP is used for providing ESD protection to high-speed data and clock lines in electronic devices such as mobile handsets and notebook computers.
- What is the ESD protection level of the CM1230-02CP? The CM1230-02CP provides ESD protection to IEC61000-4-2 Level 4 ±8 kV Contact Discharge & ±15 kV Air Discharge.
- What is the typical input capacitance of the CM1230-02CP? The typical input capacitance is 0.8 pF.
- Does the CM1230-02CP require external bypass capacitors? No, the CM1230-02CP has a Zener diode that protects the supply rail and eliminates the need for external bypass capacitors.
- How many ESD strikes can each I/O pin withstand? Each I/O pin can withstand over 1000 ESD strikes.
- What package types are available for the CM1230 family? The CM1230 family is available in 4, 6, and 10 bump Chip Scale Packages (CSP).
- Is the CM1230-02CP RoHS compliant? Yes, the CM1230-02CP is Pb-Free and RoHS compliant.
- What is the operating temperature range of the CM1230-02CP? The operating temperature range is –40 to +85°C.
- What is the storage temperature range of the CM1230-02CP? The storage temperature range is –65 to +150°C.
- What is the maximum operating supply voltage for the CM1230-02CP? The maximum operating supply voltage is 6.0 V.
