Datasheet > PACTF

PACTF

更新时间： 2024-09-07 22:44:35

品牌	Logo	应用领域
CALMIRCO		LTE
页数	文件大小	规格书
3页	124K
描述
P/ACTIVE EMI/RFITAPPED FILTER

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PACTF

CALIFORNIA MICRO DEVICES

P/ACTIVE EMI/RFITAPPED FILTER

Features

Pin Assignments

8 Filter Channels in Miniature QSOP Package

Ideal Frequency Response to Over 3 GHz

Low In-Band Insertion Loss Maintains Signal Integrity

Low Distortion Low Cross Talk

ESD Protected

GND

Filt1

Filt2

Filt3

GND

Filt4

Filt5

GND

Filt6

Filt7

Filt8

GND

Filt1

Filt2

Filt3

GND

Filt4

Filt5

GND

Filt6

Filt7

Filt8

GND

Applications

EMI/RFI Filter

Low Pass Filter

SCSI Port Filter

LCD Panel Display Filter

Product Description

Note: CAMDs P/Active Tapped Filters are a higher performance, upgraded versions of the original PRC201/211/221 series

which provides 2KV ESD protection, minimized lead inductance and parasitic capacitive effects (with added ground pins), and

improved crosstalk and filter performance characteristics at high data transmission rates. They exhibit almost ideal RC charac-

teristics to 3GHz. The PACTF series is recommended for all new designs.

CAMDs P/Active Tapped Filter is a highly integrated thin film resistor-capacitor network designed to suppress EMI/RFI noise at

I/O ports of personal computers and peripherals, workstations, Local Area Network (LAN), Asynchronous Transfer Mode

(ATM), and Wide Area Network (WAN). The filter includes ESD protection circuitry which prevents device destruction when

subjected to ESD discharges of greater than 2KV. The ESD protection circuitry permits the filter to operate on bipolar signals

of up to ±6V. CAMDs PACTF is housed in a surface mount package suitable for bottom side mounting to the board. This

integrated network solution minimizes space and routing problems and improves reliability and yields.

Why P/Active EMI/RFI filters? EMI/RFI filters are needed to suppress noise at low and high frequencies of the signal. Ferrite

beads, commonly used for EMI/RFI filtering, are bulky and ineffective at low frequencies and have saturation problems at high

frequencies. Resistor-capacitor networks offer the best technical approach for effective EMI/RFI filtering. Also, conventional

thick film-based EMI/RFI filters do not effectively suppress noise at high frequencies.

STANDARD SPECIFICATIONS

SCHEMATIC CONFIGURATION

Absolute Tolerance (R)

Absolute Tolerance (C)

Absolute Tolerance (C=15pF)

Operating Temperature Range

Power Rating/Resistor

Leakage Current

±10%

24 23 22 21 20 19 18 17 16 15 14 13

±20%

0^OC to 70^OC

100mW

1 µA @ 25^OC max.

< 5% (typical)

Crosstalk

(see Test Circuit)

ESD Clamp

10 11 12

Positive Clamp

> 6 Volts

Negative Clamp

ESD Protection

Storage Temperature

Package Power Rating

< -6 Volts

> 2 KV

-65^OC to +150^OC

1.00W, max.

C1090600

6/7/2000

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

12 3

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