Datasheet > AD5820

AD5820

更新时间： 2024-11-17 01:09:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
6页	395K
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Tape and Reel Packaging

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AD5820 数据手册

Tape and Reel Packaging

Introduction

Speciﬁcations

The electronics industry is making a tremendous investment in surface-

mount technology. The reasons for this investment include cost savings

resulting from automated component placement and increased density

of PCB layout due to smaller package sizes.

Analog Devices’ tape and reel speciﬁcations are in conformance with the

EIA Standard 481 “Taping of Surface-Mount Components for Automatic

Placement.”

ESD Protection

Today’s placement machines can pick and place thousands of components

per hour with a very high degree of accuracy. To achieve this performance,

the component delivery system must be capable of feeding parts at high

speeds in a consistent orientation, positively indexed to the demands of the

machine. The leads of the components must be protected from damage

during shipment, handling, and placement.

Analog Devices’ tape and reel delivery system is designed to offer a very

(

)

high degree of protection against electrostatic discharge ESD . All tape

and reel materials are static-dissipative. In addition, drypacked reels are

shipped in moisture barrier bags; nondrypacked reels are shipped in a box

with ESD conductive coating or in a conductive ESD bag. To retain the bene-

ﬁts of this protection, the bags should be opened only at ESD controlled

workstations by trained personnel.

The preferred packing material available today for these demands is

tape and reel. Analog Devices’ tape and reel system is fully compatible

with the detaping equipment that is standard in most automated place-

ment equipment.

Peel Back Strength

The peel back force will be between 10 g and 100 g for 8 mm wide

tape and 10 g to 130 g for tapes 12 mm and wider when tested at room

temperature and pulled at a 175° to 180° angle with a peel-off speed of

300 ± 10 mm/min.

In the tape and reel format, the components are placed in specifically

designed pockets embossed in a plastic carrier tape. The cover tape is

sealed to the carrier tape to keep the parts in place in these pockets. A row

of sprocket holes is provided along one edge of the embossed tape to facili-

tate positive indexing. The tape is then wound onto a rigid plastic reel that

provides mechanical protection during handling and storage. These reels

are dust-free and compatible with a clean environment.

Direction of Feed

Direction of feed is deﬁned as the direction in which the end user unreels

the tape. The direction of feed for all products is counterclockwise when the

reel is held with the round sprocket holes facing the observer.

Figure 1. Direction of feed.

www.analog.com

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与AD5820相关器件

型号	品牌	获取价格	描述	数据表
AD58202	ADI	获取价格	Tape and Reel Packaging
AD5821	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821A	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821ABCBZ-REEL	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821ABCBZ-REEL7	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821AD-WAFER	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821A-WAFER	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821BCBZ-REEL	ADI	获取价格	暂无描述
AD5821BCBZ-REEL1	ADI	获取价格	120 mA, Current Sinking, 10-Bit, I2C DAC
AD5821BCBZ-REEL7	ADI	获取价格	IC SERIAL INPUT LOADING, 250 us SETTLING TIME, 10-BIT DAC, PBGA9, LEAD FREE, WLCSP-9, Digi

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