Datasheet > AD8138SRMZ-EP-R7

AD8138SRMZ-EP-R7

更新时间： 2025-08-07 18:58:51

品牌	Logo	应用领域
亚德诺 - ADI		驱动驱动器
页数	文件大小	规格书
12页	190K
描述
ADC驱动器IC数据采集8-MSOP

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AD8138SRMZ-EP-R7 数据手册

Low Distortion

Differential ADC Driver

AD8138-EP

FEATURES

PIN CONFIGURATION

Adjustable output common-mode voltage

Low harmonic distortion

−94 dBc SFDR @ 5 MHz

AD8138-EP

–IN

+IN

OCM

V+

V–

−85 dBc SFDR @ 20 MHz

+OUT

–OUT

−3 dB bandwidth of 320 MHz, G = +1

Fast settling to 0.01% of 16 ns

Fast overdrive recovery of 4 ns

Low input voltage noise of 5 nV/√Hz

Low power 90 mW on 5 V

NC = NO CONNECT

Figure 1.

TYPICAL APPLICATION CIRCUIT

ENHANCED PRODUCT FEATURES

499Ω

Supports defense and aerospace applications (AQEC)

Extended temperature range −55ºC to +105°C

Controlled manufacturing baseline

One assembly/test site

499Ω

AVDD

DVDD

AIN

OCM

DIGITAL

OUTPUTS

ADC

AD8138-EP

–

499Ω

AVSS

REF

One fabrication site

Enhanced product change notification

Qualification data available on request

499Ω

Figure 2.

APPLICATIONS

ADC drivers

The AD8138-EP’s differential output helps balance the input to

the differential ADCs, maximizing the performance of the ADC.

Single-ended-to-differential converters

IF and baseband gain blocks

Differential buffers

The AD8138-EP eliminates the need for a transformer with

high performance ADCs, preserving the low frequency and dc

information. The common-mode level of the differential output

is adjustable by a voltage on the V_OCMpin, easily level-shifting

the input signals for driving single-supply ADCs. Fast overload

recovery preserves sampling accuracy.

Line drivers

GENERAL DESCRIPTION

The AD8138-EP is a major advancement over op amps for

differential signal processing. The AD8138-EP can be used

as a single-ended-to-differential amplifier or as a differential-to-

differential amplifier. The AD8138-EP is as easy to use as an op

amp and greatly simplifies differential signal amplification and

driving. Manufactured on Analog Devices, Inc., proprietary XFCB

bipolar process, the AD8138-EP has a −3 dB bandwidth of 320 MHz

and delivers a differential signal with the lowest harmonic distortion

available in a differential amplifier. The AD8138-EP has a unique

internal feedback feature that provides balanced output gain and

phase matching, suppressing even order harmonics. The internal

feedback circuit also minimizes any gain error that would be

associated with the mismatches in the external gain setting resistors.

The AD8138-EP distortion performance makes it an ideal ADC

driver for communication systems, with distortion performance

good enough to drive state-of-the-art 10-bit to 16-bit converters

at high frequencies. The AD8138-EP’s high bandwidth and IP3 also

make it appropriate for use as a gain block in IF and baseband

signal chains. The AD8138-EP offset and dynamic performance

make it well suited for a wide variety of signal processing and

data acquisition applications. The AD8138-EP is available in the

MSOP package for operation over −55°C to +105°C temperatures.

Full details about this enhanced product are available in the

AD8138 data sheet, which should be consulted in conjunction

with this data sheet.

Rev. 0

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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AD8138SRMZ-EP-R7 替代型号

型号	品牌	替代类型	描述	数据表
AD8476BRMZ-R7	ADI	类似代替	Low Power, Unity Gain, Fully
AD8476BRMZ	ADI	类似代替	Low Power, Unity Gain, Fully
AD8476ARMZ	ADI	类似代替	Low Power, Unity Gain, Fully

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