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AD8139ACPZ-R2

更新时间： 2024-11-02 04:30:55

品牌	Logo	应用领域
亚德诺 - ADI		驱动器运算放大器放大器电路
页数	文件大小	规格书
24页	686K
描述
Low Noise, Rail-to-Rail, Differential ADC Driver

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替代型号

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AD8139ACPZ-R2 数据手册

Low Noise, Rail-to-Rail,

Differential ADC Driver

AD8139

FEATURES

APPLICATIONS

Fully differential

Low noise

2.25 nV/√Hz

ADC drivers to 18 bits

Single-ended-to-differential converters

Differential filters

2.1 pA/√Hz

Level shifters

Low harmonic distortion

98 dBc SFDR @ 1 MHz

Differential PCB drivers

Differential cable drivers

85 dBc SFDR @ 5 MHz

72 dBc SFDR @ 20 MHz

High speed

FUNCTIONAL BLOCK DIAGRAMS

AD8139

410 MHz, 3 dB BW (G = 1)

800 V/μs slew rate

45 ns settling time to 0.01%

69 dB output balance @ 1 MHz

80 dB dc CMRR

–IN

+IN

OCM

V+

V–

+OUT

–OUT

Low offset: 0.5 mV maximum

Low input offset current: 0.5 μA maximum

Differential input and output

Differential-to-differential or single-ended-to-differential

operation

NC = NO CONNECT

Figure 1. 8-Lead SOIC

AD8139

TOP VIEW

(Not to Scale)

Rail-to-rail output

–IN

+IN

Adjustable output common-mode voltage

Wide supply voltage range: 5 V to 12 V

Available in a small SOIC package and an 8-lead LFCSP

OCM

V+

V–

+OUT

–OUT

NC = NO CONNECT

Figure 2. 8-Lead LFCSP

The AD8139 is available in an 8-lead SOIC package with an

exposed paddle (EP) on the underside of its body and a 3 mm ×

3 mm LFCSP. It is rated to operate over the temperature range

of −40°C to +125°C.

GENERAL DESCRIPTION

The AD8139 is an ultralow noise, high performance differential

amplifier with rail-to-rail output. With its low noise, high

SFDR, and wide bandwidth, it is an ideal choice for driving

ADCs with resolutions to 18 bits. The AD8139 is easy to apply,

and its internal common-mode feedback architecture allows its

output common-mode voltage to be controlled by the voltage

applied to one pin. The internal feedback loop also provides

outstanding output balance as well as suppression of even-order

harmonic distortion products. Fully differential and single-

ended-to-differential gain configurations are easily realized by

the AD8139. Simple external feedback networks consisting of

four resistors determine the closed-loop gain of the amplifier.

100

The AD8139 is manufactured on the Analog Devices, Inc.

proprietary, second-generation XFCB process, enabling it to

achieve low levels of distortion with input voltage noise of only

2.25 nV/√Hz.

100

10k

100k

10M

100M

FREQUENCY (Hz)

Figure 3. Input Voltage Noise vs. Frequency

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD8139ACPZ-R2 替代型号

型号	品牌	替代类型	描述	数据表
AD8139ACPZ-REEL7	ADI	类似代替	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ACPZ-REEL	ADI	类似代替	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ACP-REEL7	ADI	功能相似	Low Noise Rail-to-Rail Differential ADC Driver

与AD8139ACPZ-R2相关器件

型号	品牌	获取价格	描述	数据表
AD8139ACPZ-R21	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ACPZ-REEL	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ACPZ-REEL7	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ARD	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ARD-REEL	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ARD-REEL7	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ARDZ	ADI	获取价格	Low Noise, Rail-to-Rail, Differential ADC Driver
AD8139ARDZ1	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ARDZ-REEL	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver
AD8139ARDZ-REEL7	ADI	获取价格	Low Noise Rail-to-Rail Differential ADC Driver

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