Datasheet > ADG465BRM-REEL7

ADG465BRM-REEL7

更新时间： 2024-10-01 15:46:35

品牌	Logo	应用领域
亚德诺 - ADI		开关光电二极管晶体管
页数	文件大小	规格书
13页	388K
描述
TRANSISTOR 20 mA, 3 CHANNEL, N AND P-CHANNEL, Si, SMALL SIGNAL, MOSFET, RM-8, SOIC-8, FET General Purpose Small Signal

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ADG465BRM-REEL7 数据手册

Single Channel Protector

in a SOT-23 Package and a MSOP Package

Data Sheet

ADG465

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Fault and overvoltage protection up to 40 V

Signal paths open circuit with power off

Signal path resistance of R_ONwith power on

Supply maximum ratings (V_DDto V_SS): 44 V

Low on resistance (R_ON): 80 Ω typical

1 nA maximum path current leakage at 25°C

Low power dissipation: 0.8 μW typical

Latch-up proof construction

OUT

ADG465

OUT

OUTPUT CLAMPED

AT V – 1.5V

APPLICATIONS

Figure 1.

ATE equipment

Sensitive measurement equipment

Hot insertion rack systems

ADC input channel protection

GENERAL DESCRIPTION

The ADG465 is a single channel protector that comes in SOT-23

and MSOP packages. The channel protector is in series with the

signal path and protects sensitive components from voltage

transience in the signal path whether or not the power supplies

are present. Because the channel protection works regardless of

the presence of the supplies, the channel protectors are ideal for

use in applications where correct power sequencing cannot

always be guaranteed to protect the analog inputs (for example, hot

insertion rack systems). See the Applications Information section

for further details.

The ADG465 can operate from both bipolar and unipolar supplies.

The channels are normally on when power is connected, and

open circuit when power is disconnected. With power supplies of

15 V, the on resistance of the ADG465 is 80 Ω typical, with a

leakage current of 1 nA maximum. When power is disconnected,

the input leakage current is approximately 0.005 ꢀA typical.

The ADG465 is available in a 6-lead SOT-23 package, and an

8-lead MSOP package.

PRODUCT HIGHLIGHTS

1. Fault Protection.

A channel protector consists of an N channel, metal-oxide

semiconductor field-effect transistor (MOSFET), a P channel

MOSFET, and another N channel MOSFET connected in series.

The channel protector behaves like a series resistor during normal

operation, that is, (V_SS+ 1.5 V) < V_IN< (V_DD− 1.5 V). When the

analog input of a channel exceeds the power supplies (including

The ADG465 can withstand continuous voltage inputs from

−40 V to +40 V. When a fault occurs due to the power supplies

being turned off, or due to an overvoltage being applied to

the ADG465, the output is clamped. When power is turned

off, current is limited to the nanoampere level.

2. Low Power Dissipation.

V_DDand V_SS= 0 V), one of the MOSFETs switches off, clamping

3. Low R_ON80 Ω typical.

the output to either V_SS+ 1.5 V or V_DD− 1.5 V. Circuitry and

signal source protection are provided in the event of an overvoltage

or power loss. The channel protectors can withstand overvoltage

inputs from −40 V to +40 V. See the Theory of Operation

section for further details.

4. Trench Isolation Latch-Up Proof Construction.

A dielectric trench separates the P channel and the

N channel MOSFETs thereby preventing latch up.

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

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.

Technical Support

www.analog.com

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ADG465BRM-REEL7 替代型号

型号	品牌	替代类型	描述	数据表
ADG465BRMZ	ADI	完全替代	暂无描述
ADG467BRS	ADI	功能相似	Triple and Octal Channel Protectors

与ADG465BRM-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADG465BRMZ	ADI	获取价格	暂无描述
ADG465BRMZ-REEL7	ADI	获取价格	TRANSISTOR 20 mA, 3 CHANNEL, N AND P-CHANNEL, Si, SMALL SIGNAL, MOSFET, RM-8, SOIC-8, FET
ADG465BRT	ADI	获取价格	Single Channel Protector in an SOT-23 Package
ADG465BRT-REEL	ADI	获取价格	暂无描述
ADG465BRT-REEL7	ADI	获取价格	Single Channel Protector in SOT-23/µSOIC Packages
ADG465BRT-REEL7	ROCHESTER	获取价格	20mA, 3 CHANNEL,N AND P-CHANNEL, Si, SMALL SIGNAL, MOSFET, PLASTIC, RT-6, 6 PIN
ADG465BRTZ-REEL7	ADI	获取价格	Single Channel Protector in an SOT-23 Package and a MSOP Package
ADG466	ADI	获取价格	Triple and Octal Channel Protectors
ADG466BN	ADI	获取价格	Triple and Octal Channel Protectors
ADG466BR	ADI	获取价格	Triple and Octal Channel Protectors

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