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ADM13307-4ARZ-RL7

更新时间： 2024-11-07 11:49:59
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亚德诺 - ADI 电源电路电源管理电路光电二极管
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12页 300K
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Triple Processor Supervisors

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ADM13307-4ARZ-RL7 数据手册

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Triple Processor Supervisors  
ADM13307  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Triple supervisory circuits  
ADM13307-18  
ADM13307-25  
Supply voltage range of 2.0 V to 5.5 V  
Pretrimmed threshold options: 1.8 V, 2.5 V, 3.3 V, and 5 V  
Adjustable 0.6 V and 1.25 V voltage references  
Maximum supply current of 40 μA  
140 ms (minimum) reset timeout  
V
ADM13307-33  
DD  
14kΩ  
MR  
RESET  
SENSE1  
RESET  
LOGIC + TIMER  
R1  
R3  
RESET valid from VDD ≥ 1.1 V  
R2  
Push-pull RESET and RESET outputs  
8-lead, narrow body SOIC package  
Temperature range: −40°C to +85°C  
RESET  
SENSE2  
GND  
R4  
APPLICATIONS  
1.25V  
OSCILLATOR  
Supervising DSPs/microcontrollers  
Industrial and portable equipment  
Wireless systems  
SENSE3  
Notebook/desktop computers  
Figure 1.  
GENERAL DESCRIPTION  
The ADM13307 is a triple voltage supervisor designed to  
monitor up to three voltage levels in DSP and microprocessor-  
based systems.  
ADM13307-4  
ADM13307-5  
V
DD  
14kΩ  
There are five models available, all of which feature a combina-  
tion of internally pretrimmed undervoltage threshold options  
for monitoring 1.8 V, 2.5 V, 3.3 V, and 5 V supplies. There are  
also two adjustable input options with undervoltage thresholds of  
either 0.6 V or 1.25 V.  
MR  
SENSE1  
GND  
RESET  
RESET  
RESET  
LOGIC + TIMER  
R1  
R2  
The ADM13307-18, ADM13307-25, and ADM13307-33  
models have two internally fixed thresholds and one externally  
programmable threshold via a resistor string. The ADM13307-4  
and ADM13307-5 offer one internally fixed threshold and two  
externally programmable thresholds. See the Ordering Guide  
for a list of all available options.  
SENSE2  
0.6V  
OSCILLATOR  
SENSE3  
During power-up,  
is asserted when the supply voltage  
RESET  
exceeds 1.1 V. The device then monitors the SENSEv input  
pins and holds the output low as long as the SENSEv  
Figure 2.  
RESET  
pins remain below the rising threshold voltage, VIT+  
.
The ADM13307 features both an active high RESET and an  
RESET  
Once the supplies monitored at the SENSEv inputs rise above  
their associated thresholds, the reset signal remains low for the  
reset timeout period before deasserting. Subsequently, if a volt-  
age monitored by the SENSEv pins falls below its associated  
active low  
output.  
The manual reset input of the ADM13307 can be used to initiate  
a reset by means of an external push button or logic signal.  
The ADM13307 is available in an 8-lead narrow body SOIC  
package. The device operates over the extended industrial  
temperature range of −40°C to +85°C.  
falling input threshold voltage, VIT−, the  
output asserts.  
RESET  
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  
©2007 Analog Devices, Inc. All rights reserved.  
 
 
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ADM13307-4ARZ-RL7 替代型号

型号 品牌 替代类型 描述 数据表
ADM13307-4ARZ ADI

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