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参数资料
| 型号： | APGRD001 |
| 厂商： | Microchip Technology |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | REF DESIGN PKE PIC16F639 |
| 标准包装： | 1 |
| 类型： | PKE，RKE |
| 频率： | 125kHz |
| 适用于相关产品： | PIC16F639，PIC16F636，PIC18F2680 |
| 已供物品： | 遥控钥匙、基站和接收器/解码器 |
LOW-POWER ANALOG SOLUTIONS FOR AUTOMOTIVE APPLICATIONS
Solutions for Sensor Applications
Modern vehicles are
networked PCs on wheels
where sensors provide the
interface to the real world.
The number of sensors in
automotive applications
is rapidly increasing. Of
all sensing technologies,
temperature sensing is the most common. Knowing and
using the actual or relative temperature is critical. For
instance, other sensors such as pressure, force, flow, level
and position many times require temperature monitoring in
order to ensure accuracy.
Signal Chain Solutions
Our extensive analog portfolio includes operational
amplifiers and programmable gain amplifiers, voltage
references, digital potentiometers, analog-to-digital
converters and silicon IC temperature sensors to meet
today’s demanding measurement design requirements.
Signal Chain Solutions
Op
Application Examples
Key-off Applications Requiring Low Power
Humidity and Pressure Sensors
Level and Tilt Sensors
Air Quality Sensor
Light and Temperature Sensor
Rain Sensor
ABS
TPMS
PKE/RKE
Dashboard Illumination
Car Audio (Infotainment)
Air Bags (Occupant Detect)
Electronic Power Steering
Hybrid Electric Vehicle Battery Monitors
Signal, Warning and Daytime Running Lights
Approach, Crash and Steering Angle Sensors
Sensor
Amp
8/16-bit PIC ?
MUX
Filter
A/D
Microcontroller
16-bit dsPIC ? DSC
REF
Recommended Product Families for Sensor Applications
Family
Serial Output Temp
Sensors
Voltage Output Temp
Sensors
Logic Output Temp
Sensors
Programmable Gain
Amplifiers (PGA)
Op Amps
Voltage References
Digital Potentiometers
Analog-to-Digital
Converters (ADC)
Microcontrollers
Features
Offer excellent temperature accuracy with very low operating current; communi-
cation is accomplished via I 2 C? or SPI; all devices are offered in space-saving
packages and feature very fast temperature conversion times
Temperature conversion accuracy, linear temperature slopes, small packages
Excellent temperature accuracy (±1°C typical); low operating current (<600 μ A);
features include programmable hysteresis, remote temperature sensing and
dual temperature limit output
Programmable over SPI bus, adds gain control and input channel selection to
the embedded control system; reduces complexity of multiple sensor system to
one amplifier; lower system costs, requires less space
Single, dual and quad op amps, low quiescent current (600 nA), lowest I Q for a
given Gain Bandwidth Product (GBWP); offered in space-saving packages
Voltage references in SOT23-3 and TO-92 packages
A family of digital potentiometers combine high performance and low power
consumption in a small package
Broad portfolio of high-precision SAR, Delta-Sigma and Dual Slope A/D
Converters; SAR ADCs up to 13-bit with low power consumption combined in a
small package
Wide range of 8/16- RISC-based microcontrollers and digital signal controllers
Device Examples
MCP9800/1/2/3/5,
TC72/4/5/7/A
MCP9700/1/A, TC1046/7/A
TC620/1/2/3/4, TC6501/2/3/4,
TCN75A
MCP6S21/2/6/8, MCP6S91/2/3
MCP6041/2/3/4, MCP6141/2/3/4,
MCP601/2/3/4/6/7/8/9,
MCP6021/2/3/4
MCP1525/41
MCP4011/2/3/4, MCP4021/2/3/4,
MCP41010/050/100,
MCP42010/050/100
MCP3X01/2/4/8, MCP3X21,
MCP3550/1/3, TC500/00A/10/14/
20A/30/34, TC835/50,
TC7135/14433/A
PIC12, PIC16, PIC18, PIC24,
dsPIC30, dsPIC33
8
Automotive Applications Design Guide
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