Datasheet > TP1945

TP1945

更新时间： 2024-01-01 03:42:29

品牌	Logo	应用领域
思瑞浦 - 3PEAK		/
页数	文件大小	规格书
20页	655K
描述
1.8V Micropower, RRIO, Open-Drain Output Comparators

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TP1945 数据手册

TP1945 / TP1946 / TP1948

3PEAK

1.8V Micropower, RRIO, Open-Drain Output Comparators

Features

Description

The 3PEAK TP194x single/dual/quad micropower

comparators feature rail-to-rail inputs and outputs,

and fully specified single-supply operation down to

+1.8V. The devices draw only 49μA per comparator

while reaching 70ns high-to-low response time, and

have open-drain outputs that can be pulled beyond

V^–to 6V (max) above ground for maximum flexibility.



Down to 1.8V Supply Voltage: 1.8V to 5.5V

Low Supply Current: 49 μA per Channel

High-to-Low Propagation Delay: 70 ns

Offset Voltage: ± 3.0 mV Maximum

Offset Voltage Temperature Drift: 0.3 μV/°C

In addition, their rail-to-rail input common-mode

voltage range makes these comparators suitable for

ultra-low-voltage operation. The input common-

mode voltage range extends 200mV below ground

and 200mV above supply, allowing both ground and

supply sensing. The internal input hysteresis

eliminates output switching due to internal input

noise voltage, reducing current draw.



Input Bias Current: 6 pA Typical



Input Common-Mode Range Extends 200 mV

Internal Hysteresis Ensures Clean Switching

No Phase Reversal for Overdriven Inputs

Open-Drain Output for Maximum Flexibility

Green, Space-Saving SC70 Package Available

A +1.8V to +5.5V single-supply operating voltage

range makes the TP194x family of comparators

ideal for 2-cell battery-powered applications.

Applications

The TP1945 single comparator is available in tiny

SC70 package for space-conservative designs. All

chips are specified for the temperature range of

–40°C to +85°C.



Threshold Detectors/Discriminators

Sensing at Ground or Supply Line

Peak and Zero-crossing Detectors

Logic Level Shifting or Translation

Window Comparators

3PEAK and the 3PEAK logo are registered trademarks of

3PEAK INCORPORATED. All other trademarks are the property

of their respective owners.

IR Receivers

Clock and Data Signal Restoration

Telecom, Portable Communications

Portable and Battery Powered Systems

与TP1945相关器件

型号	品牌	获取价格	描述	数据表
TP1945-CR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945-SR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945-TR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945U	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945U2	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945U2-TR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945U-CR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1945U-TR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1946	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators
TP1946-SR	3PEAK	获取价格	1.8V Micropower, RRIO, Open-Drain Output Comparators

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