Datasheet > PAC003DTFQ

PAC003DTFQ

更新时间： 2024-12-01 21:14:59

品牌	Logo	应用领域
CALMIRCO		电阻器
页数	文件大小	规格书
2页	47K
描述
RESISTOR, NETWORK, FILM, TERMINATOR, 1W, SURFACE MOUNT, QSOP

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技术参数
数据手册

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PAC003DTFQ 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
风险等级：	5.84	元件功耗：	0.1 W
第一元件电阻：	112 Ω	安装特点：	SURFACE MOUNT
网络类型：	TERMINATOR	元件数量：	2
功能数量：	16	端子数量：	24
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装形状：	RECTANGULAR PACKAGE	包装方法：	TR
额定功率耗散 (P)：	1 W	额定温度：	70 °C
电阻器类型：	ARRAY/NETWORK RESISTOR	第二/最后一个元素电阻：	112 Ω
子类别：	Array/Network Resistors	表面贴装：	YES
温度系数：	100 ppm/ °C	端子形状：	GULL WING
容差：	1%	工作电压：	100 V
Base Number Matches：	1

PAC003DTFQ 数据手册

CALIFORNIA MICRO DEVICES

PACDT

P/Active 1%Tolerance DualThéveninTermination Network

Features

Applications

•

Minimal ground bounce, crosstalk

•

HSTL termination

• Thévenin termination

ECL, TTL termination

Stable 1% absolute tolerance elements

16 terminating lines per QSOP package

Saves board space and reduces assembly cost

•

Product Description

resistance (R1 in parallel with R2) should match the

impedance of the trace. Ground-bounce and crosstalk

are virtually eliminated using a proprietary lead-frame

which includes four direct ground connections to the die

substrate, as well as four double-bonded connections to

V_CC, for a total of 8 commons. In addition, the resistors

are trimmed to a tight absolute tolerance of 1% which

provides tight impedance-matching and results in greatly

reduced reflections. This unique proprietary design

provides optimal signal integrity.

High speed logic devices like HSTL (High Speed

Transceiver Logic) demand unique, high speed bus

terminations. The dual Thévenin termination network

provides 16 terminating channels per package, and

optimizes signal integrity by reducing reflections and

ringing. The terminations are available in a range of

standard values and are ideal for use in HSTL busses.

As seen in the schematic, R1 is typically tied to V_CCand

serves as a pull-up resistor, while R2 functions as a pull-

down resistor and is tied to ground (or the most negative

supply voltage). In addition, the equivalent Thévenin

BUS IMPEDANCE (Ω) R1(Ω) R2 (Ω) CODE

STANDARD VALUES

001

002

003

004

Absolute Tolerance (R1 & R2)

100

112

136

100

112

136

TCR

100ppm

0 C to 70 C

Operating Temperature Range

Power Rating/Resistor

Crosstalk (see Test Circuit)

Package

100mW

30mV TYP

24 Pin QSOP

SCHEMATIC CONFIGURATION

22 20

18 16

V_CC

GND

STANDARD PART ORDERING INFORMATION

Package

Ordering Part Number

R Code

001

Style

QSOP

Tubes

Tape & Reel

Part Marking

PAC001DTFQ

PAC002DTFQ

PAC003DTFQ

PAC004DTFQ

PAC001DTFQ/T

PAC002DTFQ/T

PAC003DTFQ/T

PAC004DTFQ/T

PAC001DTFQ/R

PAC002DTFQ/R

PAC003DTFQ/R

PAC004DTFQ/R

002

003

004

C1611100

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

11/19/2000

中文翻译

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与PAC003DTFQ相关器件

型号	品牌	获取价格	描述	数据表
PAC003DTFQR	CALMIRCO	获取价格	P/Active 1% Tolerance Dual Thevenin Termination Network
PAC003DTFQT	CALMIRCO	获取价格	P/Active 1% Tolerance Dual Thevenin Termination Network
PAC004DTFQ	CALMIRCO	获取价格	RESISTOR, NETWORK, FILM, TERMINATOR, 1W, SURFACE MOUNT, QSOP
PAC004DTFQR	CALMIRCO	获取价格	P/Active 1% Tolerance Dual Thevenin Termination Network
PAC004DTFQT	CALMIRCO	获取价格	P/Active 1% Tolerance Dual Thevenin Termination Network
PAC01	VISHAY	获取价格	Cemented Wirewound Precision Resistors
PAC01CM24	ETC	获取价格	Timers Star Delta
PAC01CM40	ETC	获取价格	Timers Star Delta
PAC02	VISHAY	获取价格	Cemented Wirewound Precision Resistors
PAC03	VISHAY	获取价格	Cemented Wirewound Precision Resistors

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