Datasheet > MM-JESD22-A115-A

MM-JESD22-A115-A

更新时间： 2024-11-05 03:45:43

品牌	Logo	应用领域
安华高科 - AVAGO		编码器
页数	文件大小	规格书
2页	90K
描述
Reflective Surface Mount Optical Encoder

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MM-JESD22-A115-A 数据手册

AEDR-8400-140 and AEDR-8400-142

Reﬂective Surface Mount Optical Encoder

Reliability Data Sheet

Description

Failure Rate Prediction

The following cumulative test results have been obtained

from testing performed at Avago Technologies Malaysia

in accordance with the latest revisions of JEDEC Standard.

Avago tests parts at the absolute maximum rated condi-

tions recommended for the device. The actual perfor-

mance you obtain from Avago parts depends on the

electrical and environmental characteristics of your appli-

cation but will probably be better than the performance

outlined in Table 1.

The failure rate of semiconductor devices is determined

by the junction temperature of the device. The relation-

ship between ambient given by the following:

T (°C) = T (°C) + q

JA AVG

Where,

T = ambient temperature in °C

= thermal resistance of junction-to-ambient in °C/

Watt

AVG

= average power dissipated in Watt

The estimated MTTF and failure rate at temperatures

lower than the actual stress temperature can be deter-

mined by using an Arrhenius model for temperature

acceleration. Results of such calculations are shown in

the table below using an activation energy of 0.43eV

(reference MIL-HDBK-217).

Table 1. Life Tests

Demonstrated Performance

Point Typical Performance

Stress Test

Conditions

Total Device

Hours

Units

Tested

Total

Failed

Failure Rate

(% /1 K Hours)

Test Name

MTTF

High Temperature

Operating Life

=3.0V, T =85°C,

45,000

49,180

2.03

1500hours

Table 2.

[1]

[2]

Point Typical Performance

in Time

Performance in Time

(90% Conﬁdence)

Ambient

Temperature

(°C)

Junction

Temperature

(°C)

Failure Rate

(% / 1K Hours)

Failure Rate

(% /1K Hours)

[1]

[2]

MTTF

89.7

79.7

69.7

59.7

49.7

39.7

29.7

49,180

2.03

1.38

0.91

0.59

0.37

0.23

0.13

19,520

28,840

43,580

67,500

107,400

176,200

298,500

5.12

72,640

3.47

109,800

170,000

270,700

443,800

751,900

2.29

1.48

0.93

0.57

0.34

中文翻译

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