ADA4896-2ACPZ-R2

更新时间： 2024-11-23 07:18:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	624K
描述
1 nV/√Hz, Low Power

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替代型号

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ADA4896-2ACPZ-R2 数据手册

1 nV/√Hz, Low Power,

Rail-to-Rail Output Amplifiers

Data Sheet

ADA4896-2/ADA4897-1/ADA4897-2

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Low wideband noise

1 nV/√Hz

2.8 pA/√Hz

–IN

+IN

DISABLE

OUT

Low 1/f noise: 2.4 nV/√Hz at 10 Hz

Low distortion: −115 dBc at 100 kHz, V_OUT= 2 V p-p

Low power: 3 mA per amplifier

Low input offset voltage: 0.5 mV maximum

High speed

−3 dB bandwidth: 230 MHz (G = +1)

Slew rate: 120 V/μs

Settling time to 0.1%: 45 ns

Rail-to-rail output

–V

Figure 1. 8-Lead SOIC (ADA4897-1)

= ±5V

Wide supply range: 3 V to 10 V

Disable feature (ADA4897-1/ADA4897-2)

APPLICATIONS

Low noise preamplifier

Ultrasound amplifiers

PLL loop filters

High performance ADC drivers

DAC buffers

100

10k

100k

FREQUENCY (Hz)

Figure 2. Voltage Noise vs. Frequency

GENERAL DESCRIPTION

The ADA4896-2/ADA4897-1/ADA4897-2 are unity-gain stable,

low noise, rail-to-rail output, high speed voltage feedback amplifiers

that have a quiescent current of 3 mA. With a 1/f noise of

2.4 nV/√Hz at 10 Hz and a spurious-free dynamic range of −80 dBc

at 2 MHz, the ADA4896-2/ADA4897-1/ADA4897-2 are ideal

solutions in a variety of applications, including ultrasound, low

noise preamplifiers, and drivers of high performance ADCs. The

Analog Devices, Inc., proprietary next-generation SiGe bipolar

process and innovative architecture enable such high performance

amplifiers.

Table 1. Other Low Noise Amplifiers

V_N(nV/√Hz)

Supply

Part No.

AD797

AD8021

AD8099

AD8045

ADA4899-1

At 1 kHz

At 100 kHz BW (MHz) Voltage (V)

0.9

1.4

0.9

2.1

0.95

10 to 30

5 to 24

5 to 12

3.3 to 12

5 to 12

10 to 32

490

510

1000

600

ADA4898-1/ 0.9

ADA4898-2

0.9

The ADA4896-2/ADA4897-1/ADA4897-2 have 230 MHz

bandwidth, 120 V/μs slew rate, and settle to 0.1% in 45 ns.

With a wide supply voltage range of 3 V to 10 V, the ADA4896-2/

ADA4897-1/ADA4897-2 are ideal candidates for systems that

require high dynamic range, precision, low power, and high speed.

Table 2. Complementary ADCs

Part No.

AD7944

AD7985

AD7986

Bits

Speed (MSPS)

Power (mW)

2.5

15.5

The ADA4896-2 is available in 8-lead LFCSP and 8-lead MSOP

packages. The ADA4897-1 is available in 8-lead SOIC and 6-lead

SOT-23 packages. The ADA4897-2 is available in a 10-lead MSOP

package. The ADA4896-2/ADA4897-1/ADA4897-2 operate over

the extended industrial temperature range of −40°C to +125°C.

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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ADA4896-2ACPZ-R2 替代型号

型号	品牌	替代类型	描述	数据表
ADA4896-2ACPZ-R7	ADI	类似代替	1 nV/√Hz, Low Power
ADA4896-2ACPZ-RL	ADI	类似代替	1 nV/√Hz, Low Power

与ADA4896-2ACPZ-R2相关器件

型号	品牌	获取价格	描述	数据表
ADA4896-2ACPZ-R7	ADI	获取价格	1 nV/√Hz, Low Power
ADA4896-2ACPZ-RL	ADI	获取价格	1 nV/√Hz, Low Power
ADA4896-2ARM-EBZ	ADI	获取价格	1 nV/√Hz, Low Power
ADA4896-2ARMZ	ADI	获取价格	1 nV/√Hz, Low Power
ADA4896-2ARMZ-R7	ADI	获取价格	1 nV/√Hz, Low Power
ADA4896-2ARMZ-RL	ADI	获取价格	1 nV/√Hz, Low Power
ADA4897-1	ADI	获取价格	1 nV/√Hz, Low Power
ADA4897-1AR-EBZ	ADI	获取价格	1 nV/√Hz, Low Power
ADA4897-1ARJ-EBZ	ADI	获取价格	1 nV/√Hz, Low Power
ADA4897-1ARJZ-R2	ADI	获取价格	1 nV/√Hz, Low Power

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