Datasheet > PAC330AQR

PAC330AQR

更新时间： 2024-11-14 22:44:35

品牌	Logo	应用领域
CALMIRCO		/
页数	文件大小	规格书
2页	127K
描述
P/ACTIVE AC TERMINATION NETWORK

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PAC330AQR 数据手册

CALIFORNIA MICRO DEVICES

PACAC

P/ACTIVE AC TERMINATION NETWORK

Features

Applications

AC Termination

Low Pass Filtering

High Frequency Performance

Miniature QSOP Package

18 terminating lines/package

Stable resistor-capacitor network

Refer to AP-201 Termination Application Note for

further information.

Product Description

Note: CAMDs P/Active AC Integrated Resistor-Capacitor Termination Network is an upgraded version of the original

PRC202/212 series. PACAC provides 2KV ESD protection, minimized lead inductance and parasitic capacitive effects

(with added ground pins), improved termination characteristics, and frequency response at high data transmission rates.

The PACAC is recommended for all new designs.

This integrated thin film resistor-capacitor network is designed to eliminate transmission line effects on high speed data

lines. Incorporating CAMDs P/Active AC Integrated Resistor-Capacitor Termination Network will result in improved board

yields and reliability, minimized space and routing problems on the board, and reduced assembly costs. This highly

integrated network requires no DC power dissipation.

Why P/Active termination networks? A terminating RC is used to reduce or eliminate reflections on a transmission line. It

can perform this function only when its impedance value matches the characteristic impedance of the transmission line across a

broad frequency spectrum.

Passive components affect the electrical performance of electronic systems. In reality, every resistor has some parasitic

series inductance and a parasitic capacitance; and every capacitor has both series resistance and inductance. At low

speeds, these parasitics do not affect the performance of resistors and capacitors. However, at higher speeds, these

parasitics cause mismatch in a termination. To prevent these problems in high speed digital designs, a designer must take

special care in selecting passive components or networks.

The PACAC family of devices provides consistent and predictable behavior over a higher frequency range than discrete

components or any previous network products.

S TA N D A R D S P E C IF IC A TIO N S

SCHEMATIC CONFIGURATION

Absolute Tolerance (R)

± 10%

Absolute Tolerance (C)

± 10%

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

Operating Temperature Range

Crosstalk (See Text Circuit)

0°C to 70°C

< 5% (typical)

100mW

Power Rating/Resistor

ESD Clamp

Positive Clamp

> 6V

Negative Clamp

< -6V

ESD Protection

(per MIL-STD-833, Method 3015)

Storage Temperature

Package Power Rating

> 2KV

-60°C to 150°C

1.00W, max.

10 11 12

S TA N D A R D VA LU E S

fmax* @

R± 10%

1 GHz

Time

Constant (ns)

R(Ω) C(pf)

RC Code

1.55

2.21

1.55

3.75

10.0

330/470

470/470

470/330

750/500

101/101

1 GHz

100

1 GHz

*Maximum frequency where the real part of the impedance of the AC

termination is within 10% tolerance of the designed resistance R.

C0840400

4/00

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

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与PAC330AQR相关器件

型号	品牌	获取价格	描述	数据表
PAC330AQT	CALMIRCO	获取价格	P/ACTIVE AC TERMINATION NETWORK
PAC330FRPIQ24	CALMIRCO	获取价格	P/Active 1% Tolerance Precision Isolated series Termination Network
PAC330FRPIQ24/T	CALMIRCO	获取价格	RESISTOR, NETWORK, FILM, ISOLATED, SURFACE MOUNT, QSOP
PAC330FRPIQ24R	CALMIRCO	获取价格	P/Active 1% Tolerance Precision Isolated series Termination Network
PAC330FRPIQ24T	CALMIRCO	获取价格	P/Active 1% Tolerance Precision Isolated series Termination Network
PAC330QR	CALMIRCO	获取价格	P/ACTIVE EMI/RFI T FILTER
PAC330QT	CALMIRCO	获取价格	P/ACTIVE EMI/RFI T FILTER
PAC330TFQR	CALMIRCO	获取价格	P/ACTIVE EMI/RFITAPPED FILTER
PAC330TFQT	CALMIRCO	获取价格	P/ACTIVE EMI/RFITAPPED FILTER
PAC390/500TFQ/R	CALMIRCO	获取价格	Data Line Filter, 8 Function(s), MINIATURE, QSOP-24

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