AD586A

更新时间： 2024-01-30 00:49:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
8页	205K
描述
High Precision 5 V Reference

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技术参数
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AD586A 技术参数

Source Url Status Check Date：	2013-05-01 14:56:14.873	是否无铅：	含铅
是否Rohs认证：	不符合	生命周期：	Active
零件包装代码：	DIP	包装说明：	DIP, DIP8,.3
针数：	8	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.35	模拟集成电路 - 其他类型：	THREE TERMINAL VOLTAGE REFERENCE
JESD-30 代码：	R-GDIP-T8	JESD-609代码：	e0
功能数量：	1	输出次数：	1
端子数量：	8	最高工作温度：	125 °C
最低工作温度：	-55 °C	最大输出电压：	5.0025 V
最小输出电压：	4.9975 V	标称输出电压：	5 V
封装主体材料：	CERAMIC, GLASS-SEALED	封装代码：	DIP
封装等效代码：	DIP8,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT APPLICABLE
认证状态：	Not Qualified	座面最大高度：	5.08 mm
子类别：	Voltage References	最大供电电流 (Isup)：	3 mA
最大供电电压 (Vsup)：	36 V	最小供电电压 (Vsup)：	10.8 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 (Sn63Pb37)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT APPLICABLE
微调/可调输出：	YES	最大电压容差：	0.05%
宽度：	7.62 mm	Base Number Matches：	1

AD586A 数据手册

AD586

TH EO RY O F O P ERATIO N

NO ISE P ERFO RMANCE AND RED UCTIO N

T he AD586 consists of a proprietary buried Zener diode refer-

ence, an amplifier to buffer the output and several high stability

thin-film resistors as shown in the block diagram in Figure 1.

T his design results in a high precision monolithic 5 V output

reference with initial offset of 2.0 mV or less. T he temperature

compensation circuitry provides the device with a temperature

coefficient of under 2 ppm/°C.

T he noise generated by the AD586 is typically less than 4 µV

p-p over the 0.1 Hz to 10 Hz band. Noise in a 1 MHz band-

width is approximately 200 µV p-p. T he dominant source of this

noise is the buried Zener which contributes approximately

100 nV/√Hz. In comparison, the op amp’s contribution is negli-

gible. Figure 3 shows the 0.1 Hz to 10 Hz noise of a typical

AD586. T he noise measurement is made with a bandpass filter

made of a 1-pole high-pass filter with a corner frequency at

0.1 Hz and a 2-pole low-pass filter with a corner frequency at

12.6 Hz to create a filter with a 9.922 Hz bandwidth.

Using the bias compensation resistor between the Zener output

and the noninverting input to the amplifier, a capacitor can be

added at the NOISE REDUCT ION pin (Pin 8) to form a low-

pass filter and reduce the noise contribution of the Zener to the

circuit.

If further noise reduction is desired, an external capacitor may

be added between the NOISE REDUCT ION pin and ground as

shown in Figure 2. T his capacitor, combined with the 4 kΩ R_S

and the Zener resistances form a low-pass filter on the output of

the Zener cell. A 1 µF capacitor will have a 3 dB point at 12 Hz,

and it will reduce the high frequency (to 1 MHz) noise to about

160 µV p-p. Figure 4 shows the 1 MHz noise of a typical AD586

both with and without a 1 µF capacitor.

Figure 1. AD586 Functional Block Diagram

AP P LYING TH E AD 586

T he AD586 is simple to use in virtually all precision reference

applications. When power is applied to Pin 2 and Pin 4 is

grounded, Pin 6 provides a 5 V output. No external components

are required; the degree of desired absolute accuracy is achieved

simply by selecting the required device grade. T he AD586 re-

quires less than 3 mA quiescent current from an operating sup-

ply of +12 V or +15 V.

Figure 3. 0.1 Hz to 10 Hz Noise

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

exactly 5.000 V (calibrated to a main system reference). System

calibration may also require a reference voltage that is slightly

different from 5.000 V, for example, 5.12 V for binary applica-

tions. In either case, the optional trim circuit shown in Figure 2

can offset the output by as much as 300 mV, if desired, with

minimal effect on other device characteristics.

Figure 4. Effect of 1 µF Noise Reduction Capacitor on

Broadband Noise

TURN-O N TIME

Upon application of power (cold start), the time required for the

output voltage to reach its final value within a specified error

band is defined as the turn-on settling time. T wo components

normally associated with this are: the time for the active circuits

to settle, and the time for the thermal gradients on the chip to

stabilize. Figure 5 shows the turn-on characteristics of the

AD586. It shows the settling to be about 60 µsec to 0.01%.

Note the absence of any thermal tails when the horizontal scale

is expanded to l ms/cm in Figure 5b.

Figure 2. Optional Fine Trim Configuration

–4–

REV. C

1 2 345 6 7 8

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与AD586A相关器件

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AD586AR	ADI	High Precision 5 V Reference	获取价格
AD586AR-REEL	ADI	High Precision 5 V Reference	获取价格
AD586ARZ	ADI	High Precision 5 V Reference	获取价格
AD586ARZ1	ADI	High Precision 5 V Reference	获取价格
AD586ARZ-REEL	ADI	暂无描述	获取价格
AD586ARZ-REEL1	ADI	High Precision 5 V Reference	获取价格

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