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MCP9701T-ELT

更新时间： 2024-09-25 12:48:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
18页	252K
描述
Low-Power Linear Active Thermistor ICs

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中文翻译

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数据手册

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MCP9701T-ELT 数据手册

MCP9700/01

Low-Power Linear Active Thermistor™ ICs

Features

Description

• Tiny Analog Temperature Sensor

• Available Packages: SC70-5

• Wide Temperature Measurement Range:

- -40°C to +125°C

The MCP9700/01 Linear Active Thermistor™

Intergrated Circuit (IC) is an analog temperature sen-

sor that converts temperature to analog voltage. It’s a

low-cost, low-power sensor with an accuracy of ±4°C

from 0°C to +70°C while consuming 6 µA (typ.) of

operating current.

• Accuracy: ±4°C (max.), 0°C to +70°C

• Optimized for Analog-to-Digital Converters

(ADCs):

Unlike resistive sensors (such as thermistors), the

Linear Active Thermistor IC does not require an

additional signal-conditioning circuit. Therefore, the

biasing circuit development overhead for thermistor

solutions can be avoided by implementing this

low-cost device. The voltage output pin (V_OUT) can be

- MCP9700: 10.0 mV/°C (typ.)

- MCP9701: 19.5 mV/°C (typ.)

• Wide Operating Voltage Range:

- MCP9700: V_DD= 2.3V to 5.5V

- MCP9701: V_DD= 3.1V to 5.5V

• Low Operating Current: 6 µA (typ.)

• Optimized to Drive Large Capacitive Loads

directly connected to the ADC input of

microcontroller. The MCP9700 and MCP9701

temperature coefficients are scaled to provide a

1 °C/bit resolution for an 8-bit ADC with a reference

voltage of 2.5V and 5V, respectively.

The MCP9700/01 provides a low-cost solution for

applications that require measurement of a relative

change of temperature. When measuring relative

change in temperature from +25°C, an accuracy of

±1°C (typ.) can be realized from 0°C to +70°C. This

accuracy can also be achieved by applying system

calibration at +25°C.

Typical Applications

• Hard Disk Drives and Other PC Peripherals

• Entertainment Systems

• Home Appliance

• Office Equipment

• Battery Packs and Portable Equipment

• General Purpose Temperature Monitoring

In addition, this family is immune to the effects of

parasitic capacitance and can drive large capacitive

loads. This provides Printed Circuit Board (PCB) layout

design flexibility by enabling the device to be remotely

located from the microcontroller. Adding some

capacitance at the output also helps the output

transient response by reducing overshoots or

undershoots. However, capacitive load is not required

for sensor output stability.

Package Type

SC70-5

GND 2

V_DD

V_OUT

Typical Application Circuit

MCP9700/01

V_DD

10 kΩ

ANI

C_bypass

0.1 µF

PICmicro

V_OUT

MCLR

V_SS

MCU

GND

DS21942B-page 1

12 3 4 5 6 7...18

中文翻译

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与MCP9701T-ELT相关器件

型号	品牌	获取价格	描述	数据表
MCP9701T-H/LT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9701T-H/TO	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9701T-H/TT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9800	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9800A0-M/MS	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9800A0-M/OT	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9800A0-M/SN	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9800A0T-M/MS	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9800A0T-M/OT	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9800A0T-M/OTG	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor

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