Datasheet > 传感器/换能器 > 温度传感器> MCP9700-E/TO

MCP9700-E/TO

更新时间： 2024-11-28 03:43:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
18页	928K
描述
Low-Power Linear Active Thermistor⑩ ICs

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数据手册
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MCP9700-E/TO 数据手册

MCP9700/9700A

MCP9701/9701A

Low-Power Linear Active Thermistor™ ICs

Features

Description

• Tiny Analog Temperature Sensor

• Available Packages: SC-70-5, TO-92-3

• Wide Temperature Measurement Range:

- -40°C to +125°C

The MCP9700/9700A and MCP9701/9701A family of

Linear Active Thermistor™ Intergrated Circuit (IC) is an

analog temperature sensor that converts temperature

to analog voltage. It’s a low-cost, low-power sensor

with an accuracy of ±2°C from 0°C to +70°C

(MCP9700A/9701A) ±4°C from 0°C to +70°C

(MCP9700/9701) while consuming 6 µA (typ.) of

operating current.

• Accuracy:

- ±2°C (max.), 0°C to +70°C (MCP9700A/9701A)

- ±4°C (max.), 0°C to +70°C (MCP9700/9701)

• 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 directly

connected to the ADC input of a microcontroller. The

MCP9700/9700A and MCP9701/9701A 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.

- 10.0 mV/°C (typ.) MCP9700/9700A

- 19.5 mV/°C (typ.) MCP9701/9701A

• Wide Operating Voltage Range:

- V_DD= 2.3V to 5.5V MCP9700/9700A

- V_DD= 3.1V to 5.5V MCP9701/9701A

• Low Operating Current: 6 µA (typ.)

• Optimized to Drive Large Capacitive Loads

The MCP9700/9700A and MCP9701/9701A provide a

low-cost solution for applications that require measure-

ment of a relative change of temperature. When mea-

suring 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.

Typical Application Circuit

V_DD

ANI

PICmicro®

MCU

V_SS

Package Type

5-Pin SC-70

3-Pin TO-92

MCP9700/9701

Only

V_DD

MCP9700/9700A

MCP9701/9701A

V_DD

V_OUT

C_bypass

MCP9700

1 2 3

0.1 µF

GND

V_OUT

V_DD

Bottom

View

V_DDV_OUTGND

DS21942C-page 1

12 3 4 5 6 7...18

中文翻译

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MCP9700-E/TO 替代型号

型号	品牌	替代类型	描述	数据表
MCP9700T-E/TT	MICROCHIP	类似代替	Low-Power Linear Active Thermistorâ¢ ICs
AD22100ATZ	ADI	功能相似	Voltage Output Temperature Sensor with Signal Conditioning

与MCP9700-E/TO相关器件

型号	品牌	获取价格	描述	数据表
MCP9700-E/TT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9700-H/LT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9700-H/TO	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9700-H/TT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9700T	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9700T-E/LT	MICROCHIP	获取价格	Low-Power Linear Active Thermistor⑩ ICs
MCP9700T-E/TO	MICROCHIP	获取价格	Low-Power Linear Active Thermistor⑩ ICs
MCP9700T-E/TT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs
MCP9700T-ELT	MICROCHIP	获取价格	Low-Power Linear Active Thermistor ICs
MCP9700T-H/LT	MICROCHIP	获取价格	Low-Power Linear Active Thermistorâ¢ ICs

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