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参数资料
| 型号： | TC74A7-3.3VCT |
| 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： | 10/16页 |
| 文件大小： | 430K |
| 代理商： | TC74A7-3.3VCT |
2002 Microchip Technology Inc.
DS21462B-page 3
TC74
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (VDD) ............................................ +6V
Voltage On Any Pin ....... (GND – 0.3V) to (VDD +0.3V)
Current On Any Pin .......................................... ±50 mA
Operating Temperature (TA)........................ See Below
Storage Temperature (TSTG) .............. -65°C to +150°C
*Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to Absolute Maximum Rating conditions for extended
periods may affect device reliability.
TC74 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: VDD =3.3V or 5.0V (Note 5),-40°C ≤ TA ≤ 125°C, unless otherwise noted.
Symbol
Parameter
Min
Typ.
Max
Unit
Test Conditions
Power Supply
VPOR
Power-on Reset Threshold
1.2
—
2.2
V
VDD Falling Edge or Rising Edge
IDD
Operating Current
—
200
350
AVDD =5.5V
Serial Port Inactive (Note 1)
IDD-STANDBY
Standby Supply Current
—
5
10
AV
DD =3.3V
Serial Port Inactive (Note 1)
Temperature to Bits Converter
TERR
Temperature Accuracy TC74A
-2
-3
—
—+2
—
+2
°C
+25°C <TA <+85°C
0°C < TA < +125°C
-40°C < TA <0°C
CR
Conversion Rate
4
8
—
Sps
(Note 2)
Serial Port Interface
VIH
Logic Input High
0.8 x VDD
——
V
VIL
Logic Input Low
—
0.2 x VDD
V
VOL
SDA Output Low
—
0.4
0.6
V
IOL =3mA
IOL =6mA (Note 3)
CIN
Input Capacitance SDA, SCL
—
5
—
pF
ILEAK
I/O Leakage
-1
0.1
1
A
Note
1:
Operating current is an average value integrated over multiple conversion cycles. Transient current may exceed this specification.
2:
Maximum ensured conversion time after Power-on Reset (POR to DATA_RDY) is 250 msec.
3:
Output current should be minimized for best temperature accuracy. Power dissipation within the TC74 will cause self-heating and
temperature drift error.
4:
SDA and SCLK must be connected to VDD or GND.
5:
VDD = 3.3V for TC74X -3.3VCT. VDD = 5.0V for TC74X -5.0VCT. All part types of the TC74 will operate properly over the wider power
supply range of 2.7V to 5.5V. Each part type is tested and specified for rated accuracy at its nominal supply voltage. As VDD varies from
the nominal value, accuracy will degrade 1°C/V of VDD change.
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| TC74A7-5.0VATTR | 制造商:Microchip Technology Inc 功能描述: |
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| TC74A7-5.0VCTTR | 功能描述:板上安装温度传感器 Digital Thermal RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| TC74A7-5.0VCTTRG | 功能描述:板上安装温度传感器 Digital Thermal RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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