AD8027AR

更新时间： 2024-02-02 10:24:55

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器放大器电路光电二极管
页数	文件大小	规格书
24页	473K
描述
Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers

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技术参数
数据手册
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AD8027AR 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.84
Base Number Matches：	1

AD8027AR 数据手册

AD8027/AD8028

WIDEBAND OPERATION

Voltage feedback amplifiers can use a wide range of resistor

values to set their gain. Proper design of the application’s feed-

back network requires consideration of the following issues:

0.1µF

•

Poles formed by the amplifier’s input capacitances

with the resistances seen at the amplifier’s input

terminals

10µF

–

AD8027/

AD8028

•

Effects of mismatched source impedances

Resistor value impact on the application’s voltage noise

Amplifier loading effects

R1 = R ||R

OUT

SELECT

10µF

0.1µF

The AD8027/AD8028 has an input capacitance of 2 pF. This

input capacitance will form a pole with the amplifier’s feedback

network, destabilizing the loop. For this reason, it is generally

desirable to keep the source resistances below 500 Ω, unless

some capacitance is included in the feedback network. Likewise,

keeping the source resistances low will also take advantage of

the AD8027/AD8028’s low input referred voltage noise of

–V

03327-A-057

Figure 58. Wideband Inverting Gain Configuration

Table 5. Component Values, Bandwidth, and Noise

Performance (V_S= ±2.5 V)

4.3 nV/√

Output

Noise with

Resistors

(nV/√Hz)

With a wide bandwidth of over 190 MHz, the AD8027/AD8028

has numerous applications and configurations. The

AD8027/AD8028 shown in Figure 57 is configured as a nonin-

verting amplifier. The inverting configuration is shown in

Figure 58 and an easy selection table of gain, resistor values,

bandwidth, slew rate, and noise performance is presented in

Table 5.

–3 dB

SS BW

(MHz)

Noise Gain

(Noninverting) (Ω)

R_SOURCER_F

R_G

(Ω) (Ω)

N/A 190

499 499 95

499 54.9 13

4.4

0.1µF

10µF

–

AD8027/

AD8028

OUT

SELECT

10µF

0.1µF

R1 = R ||R

–V

03327-A-056

Figure 57. Wideband Noninverting Gain Configuration

Rev. B | Page 18 of 24

1...15 16 171819 20 21...24

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AD8027AR 替代型号

型号	品牌	替代类型	描述	数据表
AD8027ARZ-REEL7	ADI	完全替代	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARZ-REEL	ADI	完全替代	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARZ	ADI	完全替代	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers

与AD8027AR相关器件

型号	品牌	获取价格	描述	数据表
AD8027AR-REEL	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027AR-REEL7	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ART-R2	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ART-REEL	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ART-REEL7	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARTZ	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARTZ-R2	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARTZ-R21	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARTZ-REEL	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers
AD8027ARTZ-REEL7	ADI	获取价格	Low Distortion, High Speed Rail-to-Rail Input/Output Amplifiers

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