Datasheet > ADM12914-1ARQZ

ADM12914-1ARQZ

更新时间： 2024-11-23 06:36:19

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
16页	372K
描述
±0.8% Accurate Quad UV/OV Positive/Negative Voltage Supervisor

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ADM12914-1ARQZ 数据手册

± ±0.8% AAcurat%ꢀcrꢁ%ꢂUV/U%

PosiaivtVNtgraivt%Uolargt%Scptuvisou

DM12914

FEATURES

FUNCTIONAL BLOCK DIAGRAM

TIMER

Quad undervoltage/overvoltage (UV/OV) positive/negative

supervisor

Supervises up to two negative rails

Adjustable UV and OV input thresholds

Industry leading threshold accuracy over the extended

temperature range: 0.8ꢀ

ADM12914

VH1

TIMER

500mV

VL1

VH2

1 V buffered reference output

reset outputs

Open-drain

and

Adjustable reset timeout with disable option

Outputs guaranteed down to V_CCof 1 V

Glitch immunity

VL2

VH3

OUTPUT

LOGIC

62 μA supply current

16-lead QSOP package

Specified from −40°C to +125°C

500mV

VL3

VH4

APPLICATIONS

Server supply monitoring

FPGA/DSP core and I/O voltage monitoring

Telecommunications equipment

Medical equipment

MUX

LOGIC

REF

LATCH/DIS

REF

VL4

SEL

GND

Figure 1.

requires a resistor to be placed between the main supply rail and

the V_CCpin to limit the current flow into the V_CCpin at a level

no greater than 10 mA. The ADM12914 uses the internal shunt

regulator to regulate V_CCif the supply line exceeds the absolute

maximum ratings.

GENERAL DESCRIPTION

The ADM12914 is a quad voltage supervisory IC ideally suited

for monitoring multiple rails in a wide range of applications.

Each monitored rail has two dedicated input pins, VHx and VLx,

which allows each rail to be monitored for both undervoltage

(UV) and overvoltage (OV) conditions with high threshold

The ADM12914 is available in two models. The ADM12914-1

offers a latching overvoltage output that can be cleared by

accuracy of 0.8%. Common active low undervoltage ( ) and

LATCH

toggling the

input pin. The ADM12914-2 has a disable

overvoltage ( ) pins are shared by each of the monitored

and the

pin that can override and disable both the

output signals.

voltage rails.

The ADM12914 includes a 1 V buffered reference output, REF,

that acts as an offset when monitoring a negative voltage. The

three-state SEL pin determines the polarity of the third and

fourth inputs, that is, it configures the device to monitor

positive or negative supplies.

The ADM12914 is available in a 16-lead QSOP package. The

device is specified over the extended temperature range of

−40°C to +125°C.

The device incorporates an internal shunt regulator that enables

the device to be used in higher voltage systems. This feature

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 are theproperty 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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ADM12914-1ARQZ 替代型号

型号	品牌	替代类型	描述	数据表
ADM12914-1ARQZ-RL7	ADI	类似代替	±0.8% Accurate Quad UV/OV Positive/Negative V

与ADM12914-1ARQZ相关器件

型号	品牌	获取价格	描述	数据表
ADM12914-1ARQZ-RL7	ADI	获取价格	±0.8% Accurate Quad UV/OV Positive/Negative V
ADM12914-2ARQZ	ADI	获取价格	±0.8% Accurate Quad UV/OV Positive/Negative V
ADM12914-2ARQZ-RL7	ADI	获取价格	±0.8% Accurate Quad UV/OV Positive/Negative V
ADM1293	ADI	获取价格	Digital Power Monitor with PMBus Interface
ADM1293-1AACPZ	ADI	获取价格	Digital Power Monitor with PMBus Interface
ADM1293-1AACPZ-RL7	ADI	获取价格	Digital Power Monitor with PMBus Interface
ADM1293-1AARUZ	ADI	获取价格	Digital Power Monitor with PMBus Interface
ADM1293-1AARUZ-RL7	ADI	获取价格	Digital Power Monitor with PMBus Interface
ADM1293-1BACPZ	ADI	获取价格	Digital Power Monitor with PMBus Interface
ADM1293-1BACPZ-RL7	ADI	获取价格	Digital Power Monitor with PMBus Interface

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