Datasheet > AD586ARZ1

AD586ARZ1

更新时间： 2022-04-12 17:18:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	479K
描述
High Precision 5 V Reference

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AD586ARZ1 数据手册

AD586

200mV

1µS

50mV

= 0

OUT

= 1000pF

Figure 16. Output Response with Capacitive Load

Figure 13. Large-Scale Transient Response

LOAD REGULATION

2µS

1mV

The AD586 has excellent load regulation characteristics. Figure 17

shows that varying the load several mA changes the output by a

few µV. The AD586 has somewhat better load regulation per-

formance sourcing current than sinking current.

∆V

(µV)

OUT

1000

500

10 LOAD (mA)

–6

–4

–2

–500

Figure 14. Fine-Scale Setting for Transient Load

–1000

In some applications, a varying load may be both resistive and

capacitive in nature, or the load may be connected to the AD586

by a long capacitive cable.

Figure 17. Typical Load Regulation Characteristics

Figure 15 and Figure 16 display the output amplifier

characteristics driving a 1000 pF, 0 mA to 10 mA load.

TEMPERATURE PERFORMANCE

The AD586 is designed for precision reference applications

where temperature performance is critical. Extensive tempera-

ture testing ensures that the device maintains a high level of

performance over the operating temperature range.

OUT

3.5V

500Ω

1000pF

AD586

Some confusion exists with defining and specifying reference

voltage error over temperature. Historically, references have

been characterized using a maximum deviation per degree

Celsius, that is, ppm/°C. However, because of nonlinearities in

temperature characteristics that originated in standard Zener

references (such as “S” type characteristics), most manufacturers

have begun to use a maximum limit error band approach to

specify devices. This technique involves measuring the output at

three or more different temperatures to specify an output volt-

age error band.

Figure 15. Capacitive Load Transient Response Test Circuit

Rev. G | Page 9 of 16

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