EMIF04-1005M8(2008) Просмотр технического описания (PDF) - STMicroelectronics

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EMIF04-1005M8
(Rev.:2008)

4-line IPAD™ low capacitance EMI filter and ESD protection in micro QFN package

STMicroelectronics 

EMIF04-1005M8

4-line IPAD™

low capacitance EMI filter and ESD protection in micro QFN package

Features

■ EMI symmetrical (I/O) low-pass filter

■ High efficiency in EMI filtering: -34 dB at

frequencies from 900 MHz to 1.8 GHz

■ Very low PCB space consumption:

1.7 mm x 1.5 mm

■ Very thin package: 0.6 mm max

■ High efficiency in ESD suppression on input

pins (IEC 61000-4-2 level 4)

■ High reliability offered by monolithic integration

■ High reduction of parasitic elements through

integration and wafer level packaging

■ Lead-free package

Complies with following standards:

■ IEC 61000-4-2 level 4 input pins

– 15 kV (air discharge)

– 8 kV (contact discharge)

■ MIL STD 883G - Method 3015-7 Class 3B

(all pins)

Applications

Where EMI filtering in ESD sensitive equipment is

required:

■ LCD and camera for mobile phones

■ Computers and printers

■ Communication systems

■ MCU boards

Description

The EMIF04-1005M8 is a 4-line highly integrated

device designed to suppress EMI/RFI noise in all

systems exposed to electromagnetic interference.

This filter includes an ESD protection circuitry,

which prevents damage to the application when

subjected to ESD surges up to 15 kV on the input

pins.

8

1

7

GND

2

GND

6

3

5

4

Micro QFN 1.7 mm x 1.5 mm

(bottom view)

Figure 1. Pin configuration (top view)

1 Input

Output 8

2 Input

Output 7

3 Input

4 Input

Output 6

Output 5

Figure 2. Basic cell configuration

Input

100 Ω

Output

Typical line capacitance = 45 pF @ 0 V

TM: IPAD is a trademark of STMicroelectronics

February 2008

Rev 4

1/10

www.st.com

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