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| 型号： | TC74A7-5.0VCTTRG |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO5 |
| 封装： | SOT-23A, 5 PIN |
| 文件页数： | 1/16页 |
| 文件大小： | 338K |
| 代理商： | TC74A7-5.0VCTTRG |
2002 Microchip Technology Inc.
DS21462C-page 1
M
TC74
Features
Digital Temperature Sensing in SOT-23-5 or
TO-220 Packages
Outputs Temperature as an 8-Bit Digital Word
Simple SMBus/I2C Serial Port Interface
Solid-State Temperature Sensing:
- ±2°C (max.) Accuracy from +25°C to +85°C
- ±3°C (max.) Accuracy from 0°C to +125°C
Supply Voltage of 2.7V to 5.5V
Low Power:
- 200 A (typ.) Operating Current
- 5 A (typ.) Standby Mode Current
Applications
Thermal Protection for Hard Disk Drives
and other PC Peripherals
PC Card Devices for Notebook Computers
Low Cost Thermostat Controls
Power Supplies
Thermistor Replacement
Package Types
General Description
The TC74 is a serially accessible, digital temperature
sensor particularly suited for low cost and small form-
factor applications. Temperature data is converted from
the onboard thermal sensing element and made
available as an 8-bit digital word.
Communication with the TC74 is accomplished via a 2-
wire SMBus/I2C compatible serial port. This bus also
can be used to implement multi-drop/multi-zone
monitoring. The SHDN bit in the CONFIG register can
be used to activate the low power Standby mode.
Temperature resolution is 1°C. Conversion rate is a
nominal 8 samples/sec. During normal operation, the
quiescent current is 200 A (typ). During standby
operation, the quiescent current is 5 A (typ).
Small size, low installed cost and ease of use make the
TC74 an ideal choice for implementing thermal
management in a variety of systems.
Functional Block Diagram
GND
VD
D
NC
SD
A
SC
L
K
TO-220
SOT-23
VDD
GND
12
NC
5
4
SDA
SCLK
TC74
3
12 3 4 5
TC74
Note: The TO-220 tab is connected
to pin 3 (GND)
Internal Sensor
(Diode)
Σ Modulator
Temperature
Register
Serial Port
Interface
Control
Logic
SDA
SCLK
Tiny Serial Digital Thermal Sensor
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相关代理商/技术参数 |
参数描述 |
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| TC74AC00F_12 | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Quad 2-Input NAND Gate |
| TC74AC00FN | 功能描述:IC GATE NAND QUAD 2INP 14-SOL RoHS:否 类别:集成电路 (IC) >> 逻辑 - 栅极和逆变器 系列:74AC 标准包装:2,000 系列:74LCX 逻辑类型:逆变器，缓冲器 电路数:1 输入数:8 特点:三态 电源电压:2 V ~ 3.6 V 电流 - 静态（最大值）:10µA 输出电流高，低:24mA，24mA 逻辑电平 - 低:0.7 V ~ 0.8 V 逻辑电平 - 高:1.7 V ~ 2 V 额定电压和最大 CL 时的最大传播延迟:6.5ns @ 3.3V，50pF 工作温度:-40°C ~ 85°C 安装类型:表面贴装 供应商设备封装:20-SSOP 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 包装:带卷 (TR) |
| TC74AC00FN(ELF,M) | 制造商:Toshiba America Electronic Components 功能描述:IC 2-INP NAND GATE QUAD 14-SOL 制造商:Toshiba America Electronic Components 功能描述:IC GATE NAND QUAD 2INP 14-SOL |
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