Datasheet > ADA4858-3_16

ADA4858-3_16

更新时间： 2024-11-05 01:19:07

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亚德诺 - ADI		/
页数	文件大小	规格书
21页	439K
描述
Single-Supply, High Speed, Triple Op Amp with Charge Pump

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ADA4858-3_16 数据手册

Single-Supply, High Speed,

Triple Op Amp with Charge Pump

ADA4858-3

Data Sheet

FEATURES

CONNECTION DIAGRAM

ADA4858-3

Integrated charge pump

Supply range: 3 V to 5.5 V

Output range: −3.3 V to −1.8 V

50 mA maximum output current for external use at −3 V

High speed amplifiers

−3 dB bandwidth: 600 MHz

Slew rate: 600 V/µs

16 15 14 13

+IN2

11 –IN2

C1_a

C1_b

CPO

CHARGE

PUMP

10 OUT2

0.1 dB flatness: 85 MHz

0.1% settling time: 18 ns

Low power

Total quiescent current: 42 mA

Power-down feature

NOTES

High input common-mode voltage range

−1.8 V to +3.8 V at +5 V supply

Current feedback architecture

Differential gain error: 0.01%

Differential phase error: 0.02°

Available in 16-lead LFCSP

1. NC = NO CONNECT.

2. EXPOSED PAD, CONNECT TO GROUND.

Figure 1.

APPLICATIONS

Professional video

Consumer video

Imaging

Active filters

GENERAL DESCRIPTION

The ADA4858-3 (triple) is a single-supply, high speed current

feedback amplifier with an integrated charge pump that eliminates

the need for negative supplies to output negative voltages or output

a 0 V level for video applications. The 600 MHz, −3 dB bandwidth

and 600 V/µs slew rate make this amplifier well suited for many

high speed applications. In addition, its 0.1 dB flatness out to

85 MHz at G = 2, along with its differential gain and phase errors

of 0.01% and 0.02° into a 150 Ω load, make it well suited for

professional and consumer video applications.

This triple operational amplifier is designed to operate on

supply voltages of 3.3 V to 5 V, using only 42 mA of total

quiescent current, including the charge pump. To further

reduce the power consumption, it is equipped with a power-

down feature that lowers the total supply current to as low as

2.5 mA when the amplifier is not being used. Even in power-

down mode, the charge pump can be used to power external

components. The maximum output current for external use is

50 mA at −3 V. The amplifier also has a wide input common-

mode voltage range that extends from 1.8 V below ground to

1.2 V below the positive rail at a 5 V supply.

The ADA4858-3 is available in a 16-lead LFCSP, and it is designed

to work over the extended industrial temperature range of

−40°C to +105°C.

Rev. B

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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与ADA4858-3_16相关器件

型号	品牌	获取价格	描述	数据表
ADA4858-3ACP-EBZ	ADI	获取价格	Single-Supply, High Speed, Triple Op Amp with Charge Pump
ADA4858-3ACPZ-R2	ADI	获取价格	Single-Supply, High Speed, Triple Op Amp with Charge Pump
ADA4858-3ACPZ-R7	ADI	获取价格	Single-Supply, High Speed, Triple Op Amp with Charge Pump
ADA4858-3ACPZ-RL	ADI	获取价格	Single-Supply, High Speed, Triple Op Amp with Charge Pump
ADA4859-3	ADI	获取价格	Single-Supply, Fixed G = 2, High Speed, Video Amplifier with Charge Pump
ADA4859-3_16	ADI	获取价格	Single-Supply, Fixed G = 2, High Speed, Video Amplifier with Charge Pump
ADA4859-3ACP-EBZ	ADI	获取价格	Single-Supply, Fixed G = 2, High Speed, Video Amplifier with Charge Pump
ADA4859-3ACPZ-R2	ADI	获取价格	Single-Supply, Fixed G = 2, High Speed, Video Amplifier with Charge Pump
ADA4859-3ACPZ-R7	ADI	获取价格	Single-Supply, Fixed G = 2, High Speed, Video Amplifier with Charge Pump
ADA4859-3ACPZ-RL	ADI	获取价格	Single-Supply, Fixed G = 2, High Speed, Video Amplifier with Charge Pump

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