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MCP9700AT-E/LTVAO

Description
Temp Sensor Analog Automotive 5-Pin SC-70 T/R
File Size642KB,24 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Download user manual Parametric View All

MCP9700AT-E/LTVAO Overview

Temp Sensor Analog Automotive 5-Pin SC-70 T/R

MCP9700AT-E/LTVAO Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Module/IC ClassificationIC
Resolution (bit)8
Accuracy±1°C
Sensor Gain10mV/°C
Output TypeAnalog
Minimum Operating Supply Voltage (V)2.3
Typical Operating Supply Voltage (V)5|3.3|2.5
Maximum Operating Supply Voltage (V)5.5
Maximum Supply Current (uA)12
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
Supplier Temperature GradeExtended
PackagingTape and Reel
Supplier PackageSC-70
Pin Count5
MountingSurface Mount
Package Height1(Max)
Package Length2
Package Width1.25
PCB changed5
MCP9700/9700A
MCP9701/9701A
Low-Power Linear Active Thermistor™ ICs
Features
• Tiny Analog Temperature Sensor
• Available Packages:
- SC70-5, SOT-23-5, TO-92-3
• Wide Temperature Measurement Range:
- -40°C to +125°C (Extended Temperature)
- -40°C to +150°C (High Temperature)
(MCP9700/9700A)
• 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):
- 10.0 mV/°C (typical)
MCP9700/9700A
- 19.5 mV/°C (typical)
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 (typical)
• Optimized to Drive Large Capacitive Loads
Description
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 (typical) of
operating current.
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.
The MCP9700/9700A and MCP9701/9701A provide a
low-cost solution for applications that require measure-
ment of a relative change of temperature. When
measuring relative change in temperature from +25°C,
an accuracy of ±1°C (typical) can be realized from 0°C
to +70°C. This accuracy can also be achieved by
applying system calibration at +25°C.
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.
3-Pin SOT-23
MCP9700/9700A
MCP9701/9701A
GND
3
5-Pin SC70
MCP9700/9700A
MCP9701/9701A
NC 1
GND 2
V
OUT
3
1
V
DD
2
V
OUT
4 V
DD
5 NC
Typical Applications
Hard Disk Drives and Other PC Peripherals
Entertainment Systems
Home Appliance
Office Equipment
Battery Packs and Portable Equipment
General Purpose Temperature Monitoring
Package Type
3-Pin TO-92
MCP9700/9701
Only
123
Bottom
View
1
V
DD
V
OUT
GND
©
2009 Microchip Technology Inc.
DS21942E-page 1
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