ON Semiconductor EMI9408 User Manual

EMI9408

PRAETORIAN) L-C LCD and Camera EMI Array with ESD Protection

Functional Description

The EMI9408 is an inductor−based (L−C) EMI filter array with

ESD protection, which integrates eight filters in a uDFN package with

0.40 mm pitch. Each EMI filter channel of the EMI9408 is implemented with the component value of

1.8 pF−35 nH–4.7 pF−35 nH–6 pF. The cut−off frequency at 3dB attenuation is 300MHz and can be used in applications where the data rates are as high as 160 Mbps, while providing greater than −35 dB attenuation over the 800 MHz to 2.7 GHz frequency range. The parts include ESD diodes on every I/O pin and provide a high level of protection against electrostatic discharge (ESD). The ESD protection diodes connected to the external filter ports are designed and characterized to safely dissipate ESD strikes of ±14 kV, which is beyond the maximum requirement of the IEC61000−4−2 international standard.

This device is particularly well suited for wireless handsets, mobile LCD modules and PDAs because of its small package format and easy−to−use pin assignments. In particular, the EMI9408 is ideal for EMI filtering and protecting data and control lines for the LCD display and camera interface in mobile handsets.

The EMI9408 is housed in space saving, low profile, 0.40 mm pitch uDFN packages in a RoHS compliant, Pb−Free format.

Features

• Eight Channels of EMI Filtering with Integrated ESD Protection

• Pi−Style EMI Filters in a Capacitor−Inductor Capacitor (C−L−C)

Network

• ±14 kV ESD Protection (IEC 61000−4−2 Level 4, Contact

Discharge) at External Pin

• Greater than −35 dB Attenuation (Typical) at 1 GHz

• uDFN Pb−Free Package with 0.40 mm Lead Pitch:

8−ch. = 16−lead uDFN

• uDFN Package Size:

16−Lead: 3.30 mm x 1.35 mm

• Increased Robustness Against Vertical Impacts During

Manufacturing Process

• These Devices are Pb−Free and are RoHS Compliant

http://onsemi.com

MARKING

DIAGRAMS

UDFN16

(*Note: Microdot may be in either location)

16 15 14 13 12 11 10 9

See detailed ordering and shipping information in the package dimensions section on page 3 of this data sheet.

CASE 517BE

LE = Specific Device Code M = Month Code G = Pb−Free Package

PINOUTS

Internal Pins

(Lower ESD Event)

2345678

GND

External Pins

(Higher ESD Event)

(Bottom View)

ORDERING INFORMATION

LE MG

Applications

• LCD and Camera Data Lines in Mobile Nandsets

• I/O Port Protection for Mobile Handsets, Notebook

Computers, PDAs, etc.

• EMI Filtering for Data Ports in Cell Phones, PDAs or

Notebook Computer

November, 2012 − Rev. 1

• Wireless Handsets

• Handheld PCs/PDAs

• LCD and Camera Modules

1 Publication Order Number:

EMI9408/D

EMI9408

Figure 1. Electrical Schematic

Table 1. PIN DESCRIPTIONS

Pin # Name Description

1 FILTER1 Filter + ESD Channel 1 (Internal)

2 FILTER2 Filter + ESD Channel 2 (Internal)

3 FILTER3 Filter + ESD Channel 3 (Internal)

4 FILTER4 Filter + ESD Channel 4 (Internal)

5 FILTER5 Filter + ESD Channel 5 (Internal)

6 FILTER6 Filter + ESD Channel 6 (Internal)

7 FILTER7 Filter + ESD Channel 7 (Internal)

8 FILTER8 Filter + ESD Channel 8 (Internal)

9 FILTER8 Filter + ESD Channel 8 (External)

10 FILTER7 Filter + ESD Channel 7 (External)

11 FILTER6 Filter + ESD Channel 6 (External)

12 FILTER5 Filter + ESD Channel 5 (External)

13 FILTER4 Filter + ESD Channel 4 (External)

14 FILTER3 Filter + ESD Channel 3 (External)

15 FILTER2 Filter + ESD Channel 2 (External)

16 FILTER1 Filter + ESD Channel 1 (External)

GND PAD GND Device Ground

SPECIFICATIONS

MAXIMUM RATINGS

Parameter Value Unit

Storage Temperature Range –65 to +150 °C

Current per Inductor 15 mA

DC Package Power Rating 500 mW

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.

STANDARD OPERATING CONDITIONS

Parameter Rating Unit

Operating Temperature Range –40 to +85 °C

http://onsemi.com

+ 4 hidden pages