Datasheet > ADA4177-4ARUZ

ADA4177-4ARUZ

更新时间： 2024-11-24 00:44:55

品牌	Logo	应用领域
亚德诺 - ADI		放大器光电二极管
页数	文件大小	规格书
31页	854K
描述
OVP and EMI Protected, Precision, Low Noise and Bias Current Op Amps

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ADA4177-4ARUZ 数据手册

OVP and EMI Protected, Precision,

Low Noise and Bias Current Op Amps

Data Sheet

ADA4177-1/ADA4177-2/ADA4177-4

FEATURES

PIN CONNECTION DIAGRAM

OUT A

–IN A

+IN A

V–

V+

Low offset voltage: 60 µV maximum at 25°C (8-lead and

14-lead SOIC)

Low offset voltage drift: 1 µV/°C maximum (8-lead and

14-lead SOIC)

ADA4177-2

OUT B

–IN B

+IN B

TOP VIEW

(Not to Scale)

Figure 1. ADA4177-2

Low input bias current: 1 nA maximum at 25°C

Low voltage noise density: 8 nV/√Hz typical at 1 kHz

Large signal voltage gain (A_VO): 100 dB minimum over full

supply voltage and operating temperature

Input overvoltage protection to 32 V above and below the

supply voltage rail

Integrated EMI filter

Applications for this amplifier include sensor signal conditioning

(such as thermocouples, RTDs, and strain gages), process control

front-end amplifiers, and precision diode power measurement in

optical and wireless transmission systems.

70 dB typical rejection at 1000 MHz

90 dB typical rejection at 2400 MHz

Rail-to-rail output swing

Low supply current: 500 µA typical per amplifier

Wide bandwidth

The ADA4177-2 and ADA4177-4 operate over the −40°C to

Gain bandwidth product (A_V= +100): 3.5 MHz typical

Unity-gain crossover (A_V= +1): 3.5 MHz typical

−3 dB bandwidth (A_V= +1): 6 MHz typical

Dual-supply operation

Specified at 5 V to 15 V, operates over 2.5 V to 18 V

Unity-gain stable

+125°C industrial temperature range. The ADA4177-1 and the

ADA4177-2 are available in an 8-lead SOIC package and an 8-lead

MSOP package. The ADA4177-4 is available in a 14-lead TSSOP

and a 14-lead SOIC package.

No phase reversal

= ±15V

APPLICATIONS

Wireless base station control circuits

Optical network control circuits

Instrumentation

–2

–4

–6

–8

–10

Sensors and controls

Thermocouples, resistor thermal detectors (RTDs), strain

gages, shunt current measurements

Precision filters

GENERAL DESCRIPTION

–50

–30

–10

(V)

The ADA4177-1 single channel, ADA4177-2 dual channel, and

ADA4177-4 quad channel amplifiers feature low offset voltage

(2 µV typical) and drift (1 µV/°C maximum), low input bias

current, low noise, and low current consumption (500 µA

typical). Outputs are stable with capacitive loads of more than

1000 pF with no external compensation.

Figure 2. Overvoltage Current Limiting, Voltage Follower Configuration

Table 1. Evolution of Protected Input Op Amps by Generation¹

Gen. 1,

OVP

(10 V)

Gen. 2,

OVP (25 V)

Gen. 3,

OVP (32 V)

Gen. 4

EMI Filters

Gen. 5, OVP

(32 V) + EMI

OP191

OP291

OP491

ADA4091-2

ADA4091-4

ADA4092-4

ADA4096-2

ADA4096-4

AD8657

AD8659

ADA4177-1

ADA4177-2

ADA4177-4

The inputs of the ADA4177-1, ADA4177-2, and ADA4177-4 set a

new standard in precision amplifier robustness, providing input

protection against signal excursions 32 V beyond either supply, as

well as 70 dB of rejection for electromagnetic interference (EMI) at

1000 MHz.

AD8546

AD8548

ADA4661-2

ADA4666-2

¹Gen. stands for Generation.

Rev. C

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

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ADA4177-4ARUZ 替代型号

型号	品牌	替代类型	描述	数据表
ADA4177-4ARUZ-R7	ADI	类似代替	OVP and EMI Protected, Precision, Low Noise and Bias Current Op Amps

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