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| 型号： | TC77-5.0MCTTR |
| 厂商： | Microchip Technology |
| 文件页数： | 1/22页 |
| 文件大小： | 374K |
| 描述： | IC SENSOR THERMAL SPI 5V SOT23-5 |
| 标准包装： | 1 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC（三角积分型），寄存器库 |
| 输出类型： | MICROWIRE?，SPI? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 682 (CN2011-ZH PDF) |
| 配用： | TC77DM-PICTL-ND - BOARD DEMO PICTAIL TC77 |
| 其它名称： | TC77-5.0MCTTRDKR |
?2002 Microchip Technology Inc.
DS20092A-page 1
M
TC77
Features
" Digital Temperature Sensing in 5-Pin SOT-23A
and 8-Pin SOIC Packages
" Outputs Temperature as a 13-Bit Digital Word
" SPI and MICROWIRE" Compatible Interface
" Solid State Temperature Sensing
" ?癈 (max.) accuracy from +25癈 to +65癈
" ?癈 (max.) accuracy from -40癈 to +85癈
" ?癈 (max.) accuracy from -55癈 to +125癈
" 2.7V to 5.5V Operating Range
" Low Power
- 250 礎 (typ.) Continuous Conversion Mode
- 0.1 礎 (typ.) Shutdown Mode
Typical Applications
" Thermal Protection for Hard Disk Drives and
Other PC Peripherals
" PC Card Devices for Notebook Computers
" Low Cost Thermostat Controls
" Industrial Control
" Office Equipment
" Cellular Phones
" Thermistor Replacement
Block Diagram
Description
The TC77 is a serially accessible digital temperature
sensor particularly suited for low cost and small form-
factor applications. Temperature data is converted from
the internal thermal sensing element and made avail-
able at anytime as a 13-bit twos compliment digital
word. Communication with the TC77 is accomplished
via a SPI and MICROWIRE compatible interface. It has
a 12-bit plus sign temperature resolution of 0.0625癈
per Least Significant Bit (LSb). The TC77 offers a tem-
perature accuracy of ?.0癈 (max.) over the tempera-
ture range of +25癈 to +65癈. When operating, the
TC77 consumes only 250 礎 (typ.). The TC77s Con-
figuration register can be used to activate the low
power Shutdown mode, which has a current consump-
tion of only 0.1 礎 (typ.). Small size, low cost and ease
of use make the TC77 an ideal choice for implementing
thermal management in a variety of systems.
Package Types
Typical Application
TC77
Diode
Temperature
Sensor
V
DD
SCK
CS
Serial
Port
Interface
SI/O
13-Bit
Sigma Delta
A/D Converter
Register
Temperature
Register
Internal
Configuration
Manufacturer
ID Register
V
SS
SOT-23-5
1
SOIC
1
V
DD
V
SS
SCK
SI/O
CS
TC77
TC77
SCK
SI/O
V
SS
NC
CS
V
DD
NC
NC
AN0
SCK
SDI
CS
SCK
SI/O
TC77
0.1礔
V
DD
V
SS
V
DD
PICmicro
?/DIV>
MCU
Thermal Sensor with SPI
"
Interface
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