AD581KH

更新时间： 2024-02-27 06:50:31

品牌	Logo	应用领域
亚德诺 - ADI		电源电路参考电压源 PC
页数	文件大小	规格书
6页	221K
描述
High Precision 10 V IC Reference

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AD581KH 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	METAL CAN, TO-39, 3 PIN	Reach Compliance Code：	not_compliant
风险等级：	5.91	JESD-30 代码：	O-MBCY-W3
JESD-609代码：	e0	功能数量：	1
输出次数：	1	端子数量：	3
最高工作温度：	125 °C	最低工作温度：	-55 °C
最大输出电压：	10.005 V	最小输出电压：	9.995 V
标称输出电压：	10 V	封装主体材料：	METAL
封装等效代码：	CAN3/4,.2	封装形状：	ROUND
封装形式：	CYLINDRICAL	子类别：	Voltage References
最大供电电压 (Vsup)：	30 V	最小供电电压 (Vsup)：	12.5 V
标称供电电压 (Vsup)：	15 V	表面贴装：	NO
技术：	BIPOLAR	最大电压温度系数：	10 ppm/ °C
温度等级：	MILITARY	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	WIRE	端子位置：	BOTTOM
微调/可调输出：	NO	最大电压容差：	0.05%
Base Number Matches：	1

AD581KH 数据手册

AD581

ABSOLUTE MAXIMUM RATINGS

Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V

Power Dissipation @ +25°C . . . . . . . . . . . . . . . . . . . . 600 mW

Operating Junction Temperature Range . . . . –55°C to +150°C

Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . +300°C

Thermal Resistance

Junction-to-Ambient . . . . . . . . . . . . . . . . . . . . . . . 150°C/W

APPLYING THE AD581

The AD581 is easy to use in virtually all precision reference

applications. The three terminals are simply primary supply,

ground, and output, with the case grounded. No external com-

ponents are required even for high precision applications; the

degree of desired absolute accuracy is achieved simply by select-

ing the required device grade. The AD581 requires less than

1 mA quiescent current from an operating supply range of

12 to 30 volts.

Figure 3. Simplified Schematic

VOLTAGE VARIATION VS. TEMPERATURE

Some confusion exists in the area of defining and specifying

reference voltage error over temperature. Historically, references

have been characterized using a maximum deviation per degree

Centigrade; i.e., 10 ppm/°C. However, because of nonlinearities

in temperature characteristics, which originated in standard

Zener references (such as “S” type characteristics) most manu-

facturers have begun to use a maximum limit error band approach

to specify devices. This technique involves measurement of the

output at 3, 5 or more different temperatures to guarantee that

the output voltage will fall within the given error band. The

temperature characteristic of the AD581 consistently follows the

S-curve shown in Figure 4. Three-point measurement of each

device guarantees the error band over the specified temperature

range.

Figure 1. AD581 Pin Configuration (Bottom View)

An external fine trim may be desired to set the output level to

exactly 10.000 volts within less than a millivolt (calibrated to a

main system reference). System calibration may also require a

reference slightly different from 10.00 volts. In either case, the

optional trim circuit shown in Figure 2 can offset the output by

up to 30 millivolts (with the 22 Ω resistor), if needed, with

minimal effect on other device characteristics.

Figure 2. Optional Fine Trim Configuration

Figure 4. Typical Temperature Characteristic

The error band which is guaranteed with the AD581 is the

maximum deviation from the initial value at +25°C; this error

band is of more use to a designer than one which simply guaran-

tees the maximum total change over the entire range (i.e., in the

latter definition, all of the changes could occur in the positive

direction). Thus, with a given grade of the AD581, the designer

can easily determine the maximum total error from initial

tolerance plus temperature variation (e.g., for the AD581T,

REV. B

–3–

1 234 5 6

中文翻译

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AD581KH 替代型号

型号	品牌	替代类型	描述	数据表
AD581KH	ADI	当前型号	High Precision 10 V IC Reference
AD581TH	ADI	类似代替	High Precision 10 V IC Reference
AD581JH	ADI	完全替代	High Precision 10 V IC Reference

与AD581KH相关器件

型号	品牌	获取价格	描述	数据表
AD581KH/+	ADI	获取价格	AD581KH/+
AD581KH1	ADI	获取价格	High Precision 10 V IC Reference
AD581L	ADI	获取价格	High Precision 10 V IC Reference
AD581LCSA	ETC	获取价格	Voltage Reference
AD581LH	ADI	获取价格	High Precision 10 V IC Reference
AD581LH/+	ADI	获取价格	暂无描述
AD581LH1	ADI	获取价格	High Precision 10 V IC Reference
AD581S	ADI	获取价格	High Precision 10 V IC Reference
AD581SH	ADI	获取价格	High Precision 10 V IC Reference
AD581SH/883	ETC	获取价格	Voltage Reference

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