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ADA4800ACPZ-RL

更新时间： 2024-11-04 08:18:27

品牌	Logo	应用领域
亚德诺 - ADI		缓冲放大器放大器电路光电二极管
页数	文件大小	规格书
16页	210K
描述
Low Power, High Speed CCD Buffer Amplifier

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数据手册
替代型号

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ADA4800ACPZ-RL 数据手册

Low Power, High Speed

CCD Buffer Amplifier

ADA4800

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Integrated active load and gain of 1 buffer

Very low buffer power consumption

As low as 20 mW on chip

Power save feature to reduce active load current by GPO

control

High buffer speed

400 MHz, −3 dB bandwidth

415 V/μs slew rate

Fast settling time to 1%, 2 V step: 5 ns

Adjustable buffer bandwidth

Push-pull output stage

Adjustable active load current

Small package: 1.6 mm × 1.6 mm × 0.55 mm

ADA4800

VEE

OUT

ISF

BUFF

VCC

IDRV

Figure 1.

APPLICATIONS

CCD image sensor output buffer

Digital still cameras

Camcorders

GENERAL DESCRIPTION

The ADA4800 is voltage buffer integrated with an active load.

The buffer is a low power, high speed, low noise, high slew rate,

fast settling, fixed gain of 1 monolithic amplifier for charge-

coupled device (CCD) applications. For CCD applications, the

active load current source (I_AL) can load the open source CCD

sensor outputs and the buffer can drive the AFE load. The active

current load can also be switched off, to use the ADA4800 as just

a unity gain buffer. The buffer consumes only 20 mW of static

power. In applications where power savings is critical, the

ADA4800 features a power save mode (see the Power Save

Mode section), which further reduces the total current

consumption. The bandwidth of the ADA4800 buffer is also

fully adjustable through the IDRV pin.

The versatility of the ADA4800 allows for seamless interfacing

with many CCD sensors from various manufacturers.

The ADA4800 is designed to operate at supply voltages as low

as 4 V and up to 17 V. It is available in a 1.6 mm × 1.6 mm ×

0.55 mm, 6-lead LFCSP package and is rated to operate over the

industrial temperature range of −40^oC to +85^oC.

ISF

10kΩ

IDRV

249kΩ

ISF

15V

0.1µF

10µF

ISF

VCC

IDRV

ISF

BUFF

ADA4800

The buffer of the ADA4800 employs a push-pull output stage

architecture, providing drive current and maximum slew

capability for both rising and falling signal transitions. At a

5 mA quiescent current setting, it provides 400 MHz, −3 dB

bandwidth, which makes this buffer well suited for CCD

sensors from machine vision to digital still camera applications.

VEE

OUT

10Ω

1kΩ

49.9Ω

22pF

7.5V

The ADA4800 is ideal for driving the input of the Analog

Devices, Inc., 12-bit and 14-bit high resolution analog

front ends (AFE) such as the AD9928, AD9990, AD9920A,

AD9923A, and AD997x family.

Figure 2. Typical Test Circuit

Rev. A

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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中文翻译

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ADA4800ACPZ-RL 替代型号

型号	品牌	替代类型	描述	数据表
ADA4800ACPZ-R7	ADI	完全替代	Low Power, High Speed CCD Buffer Amplifier

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ADA4805-1	ADI	获取价格	0.2 Î¼V/Â°C Offset Drift, 105 MHz Low Power,
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ADA4805-1AKSZ-R2	ADI	获取价格	0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplif
ADA4805-1AKSZ-R7	ADI	获取价格	0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplif
ADA4805-1ARJZ-EBZ	ADI	获取价格	0.2 Î¼V/Â°C Offset Drift, 105 MHz Low Power,
ADA4805-1ARJZ-R2	ADI	获取价格	0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplif
ADA4805-1ARJZ-R7	ADI	获取价格	0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplif
ADA4805-2	ADI	获取价格	0.2 Î¼V/Â°C Offset Drift, 105 MHz Low Power,
ADA4805-2ACPZ-EBZ	ADI	获取价格	0.2 Î¼V/Â°C Offset Drift, 105 MHz Low Power,
ADA4805-2ACPZ-R2	ADI	获取价格	Dual, 0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail

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