AD842JH

更新时间： 2024-01-09 15:09:05

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
10页	477K
描述
Wideband, High Output Current, Fast Settling Op Amp

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技术参数
数据手册

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AD842JH 技术参数

Source Url Status Check Date：	2013-05-01 14:56:26.37	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, DIP14,.3
针数：	14	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.31.00.01
风险等级：	7.98	Is Samacsys：	N
放大器类型：	OPERATIONAL AMPLIFIER	架构：	VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：	12 µA	25C 时的最大偏置电流 (IIB)：	8 µA
最小共模抑制比：	86 dB	标称共模抑制比：	115 dB
频率补偿：	YES (AVCL>=2)	最大输入失调电压：	3500 µV
JESD-30 代码：	R-GDIP-T14	JESD-609代码：	e0
长度：	19.43 mm	低-失调：	NO
负供电电压上限：	-18 V	标称负供电电压 (Vsup)：	-15 V
功能数量：	1	端子数量：	14
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC, GLASS-SEALED	封装代码：	DIP
封装等效代码：	DIP14,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT APPLICABLE
电源：	+-5/+-15 V	认证状态：	Not Qualified
座面最大高度：	5.08 mm	最小摆率：	300 V/us
标称压摆率：	375 V/us	子类别：	Operational Amplifier
最大压摆率：	19 mA	供电电压上限：	18 V
标称供电电压 (Vsup)：	15 V	表面贴装：	NO
技术：	BIPOLAR	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	标称均一增益带宽：	80000 kHz
最小电压增益：	40000	宽带：	YES
宽度：	7.62 mm	Base Number Matches：	1

AD842JH 数据手册

AD842

OFFSET NULLING

The input offset voltage of the AD842 is very low for a high

speed op amp, but if additional nulling is required, the circuit

shown in Figure 21 can be used.

ERROR

AMP

(

15)

TEK

7A13

TEK

7603

OSCILLOSCOPE

AD842 SETTLING TIME

Figures 22 and 24 show the settling performance of the AD842

in the test circuit shown in Figure 23.

TEK

7A16

HP6263

DDD5109

FLAT-TOP

PULSE

499⍀

1k⍀

Settling time is defined as:

GENERATOR

The interval of time from the application of an ideal step

function input until the closed-loop amplifier output has

entered and remains within a specified error band.

0.1␮F

50⍀

+15V

2.2␮F

This definition encompasses the major components which com-

prise settling time. They include (1) propagation delay through

the amplifier; (2) slewing time to approach the final output value;

(3) the time of recovery from the overload associated with slew-

ing and (4) linear settling to within the specified error band.

FET PROBE

TEK P6201

AD842

0.1␮F

2.2␮F

499⍀

–15V

Expressed in these terms, the measurement of settling time is

obviously a challenge and needs to be done accurately to assure

the user that the amplifier is worth consideration for the

application.

Figure 23. Settling Time Test Circuit

Figure 23 shows how measurement of the AD842’s 0.01% set-

tling in 100 ns was accomplished by amplifying the error signal

from a false summing junction with a very high-speed propri-

etary hybrid error amplifier specially designed to enable testing

of small settling errors. The device under test was driving a

300 Ω load. The input to the error amp is clamped in order to

avoid possible problems associated with the overdrive recovery

of the oscilloscope input amplifier. The error amp gains the

error from the false summing junction by 15, and it contains a

gain vernier to fine trim the gain.

0.1␮F

2.2␮F

10k⍀

–

INPUT

OUTPUT

AD842

0.1␮F

2.2␮F

–V

Figure 24 shows the “long term” stability of the settling charac-

teristics of the AD842 output after a 10 V step. There is no

evidence of settling tails after the initial transient recovery time.

The use of a junction isolated process, together with careful

layout, avoids these problems by minimizing the effects of tran-

sistor isolation capacitance discharge and thermally induced

shifts in circuit operating points. These problems do not occur

even under high output current conditions.

Figure 21. Offset Nulling (DIP Pinout)

Figure 22. 0.01% Settling Time

REV. E

–7–

1...4 5 678 9 10

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与AD842JH相关器件

型号	品牌	描述	获取价格	数据表
AD842JHZ	ADI	IC OP-AMP, 2500 uV OFFSET-MAX, 80 MHz BAND WIDTH, MBCY12, METAL CAN, TO-8, 12 PIN, Operati	获取价格
AD842JN	ADI	Wideband, High Output Current, Fast Settling Op Amp	获取价格
AD842JNZ	ADI	Wideband, High Output Current Fast Settling Op Amp	获取价格
AD842JQ	ADI	Wideband, High Output Current, Fast Settling Op Amp	获取价格
AD842JR	ADI	IC OP-AMP, 1500 uV OFFSET-MAX, 80 MHz BAND WIDTH, PDSO16, SOIC-16, Operational Amplifier	获取价格
AD842JR-16	ADI	Wideband, High Output Current, Fast Settling Op Amp	获取价格

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