ADA4857-1

更新时间： 2024-11-04 04:31:15

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
20页	588K
描述
Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp

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数据手册

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ADA4857-1 数据手册

Ultralow Distortion, Low Power,

Low Noise, High Speed Op Amp

ADA4857-1/ADA4857-2

FEATURES

CONNECTION DIAGRAMS

ADA4857-1

High speed

TOP VIEW

(Not to Scale)

850 MHz, −3 dB bandwidth (G = +1, R_L= 1 kΩ, LFSCP)

750 MHz, −3 dB bandwidth (G = +1, R_L= 1 kΩ, SOIC)

2800 V/μs slew rate

Low distortion: −88 dBc @ 10 MHz (G = +1, R_L= 1 kΩ)

Low power: 5 mA/amplifier @ 10 V

Low noise: 4.4 nV/√Hz

OUT

–IN

+IN

–V

NC = NO CONNECT

Wide supply voltage range: 5 V to 10 V

Power-down feature

Figure 1. 8-Lead LFCSP (CP)

Available in 3 mm × 3 mm 8-lead LFCSP (single), 8-lead SOIC

(single), and 4 mm × 4 mm 16-lead LFCSP (dual)

ADA4857-1

TOP VIEW

(Not to Scale)

APPLICATIONS

–IN

+IN

Instrumentation

IF and baseband amplifiers

Active filters

OUT

–V

NC = NO CONNECT

ADC drivers

Figure 2. 8-Lead SOIC (R)

DAC buffers

ADA4857-2

TOP VIEW

(Not to Scale)

12 –V

–IN1 1

+IN1 2

NC 3

11 NC

10 +IN2

–V

9 –IN2

NC = NO CONNECT

Figure 3. 16-Lead LFCSP (CP)

GENERAL DESCRIPTION

The ADA4857 is a unity gain stable, high speed, voltage feedback

amplifier with low distortion, low noise, and high slew rate. With a

spurious-free dynamic range (SFDR) of −88 dBc @ 10 MHz,

the ADA4857 is an ideal solution in a variety of applications

including ultrasounds, ATE, active filters, and ADC drivers.

The Analog Devices, Inc., proprietary next-generation XFCB

process and innovative architecture enables such high performance

amplifiers.

The ADA4857 has 850 MHz bandwidth, 2800 V/μs slew rate, and

settles to 0.1% in 15 ns. With a wide supply voltage range (5 V to

10 V), the ADA4857 is an ideal candidate for systems that require

high dynamic range, precision, and speed.

The ADA4857-1 amplifier is available in a 3 mm × 3 mm, 8-lead

LFCSP and a standard 8-lead SOIC. The ADA4857-2 is available in

a 4 mm × 4 mm, 16-lead LFSCP. The LFCSP features an exposed

paddle that provides a low thermal resistance path to the PCB. This

path enables more efficient heat transfer and increases reliability.

The ADA4857 works over the extended industrial temperature

range (−40°C to +125°C).

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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与ADA4857-1相关器件

型号	品牌	获取价格	描述	数据表
ADA4857-1_17	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-1YCPZ-R2	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-1YCPZ-R7	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-1YCPZ-RL	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-1YRZ	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-1YRZ-R7	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-1YRZ-RL	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-2	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-2YCP-EBZ	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp
ADA4857-2YCPZ-R2	ADI	获取价格	Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp

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