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參數(shù)資料
| 型號： | TC74A5-33VCT |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Tiny Serial Digital Thermal Sensor |
| 中文描述： | 微型串行數(shù)字溫度傳感器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 430K |
| 代理商： | TC74A5-33VCT |
TC74
DS21462B-page 4
2002 Microchip Technology Inc.
TC74 ELECTRICAL SPECIFICATIONS (CONTINUED)
Electrical Characteristics:
V
DD
= 3.3V or 5.0V
(Note 5)
, -40°C
≤
T
A
≤
125°C, C
L
= 80pF unless otherwise noted.
Serial Port AC Timing
Symbol
Parameter
Min
Typ.
Max
Unit
Test Conditions
f
SMB
t
LOW
t
HIGH
t
R
t
F
t
SU(START)
SMBus Clock Frequency
Low Clock Period
High Clock Period
SMBus Rise Time
SMBus Fall Time
START Condition Setup Time
(for repeated START Condition)
START Condition Hold Time
Data In Setup Time
Data In Hold Time
STOP Condition Setup Time
Bus Free Time Prior to New Tran-
sition
Power-on Reset Delay
10
4.7
4
—
—
4
—
—
—
—
—
—
100
—
—
1000
300
—
kHz
μ
sec
μ
sec
nsec
nsec
μ
sec
10% to 10%
90% to 90%
10% to 90%
90% to10%
90% SCLK to 10% SDA
t
H(START)
t
SU-DATA
t
H-DATA
t
SU(STOP)
t
IDLE
4
—
—
—
—
—
—
—
—
—
—
μ
sec
nsec
nsec
μ
sec
μ
sec
1000
1250
4
4.7
t
POR
Note
—
500
—
μ
sec
V
DD
≥
V
POR
(Rising Edge)
1:
2:
3:
Operating current is an average value integrated over multiple conversion cycles. Transient current may exceed this specification.
Maximum ensured conversion time after Power-on Reset (POR to DATA_RDY) is 250 msec.
Output current should be minimized for best temperature accuracy. Power dissipation within the TC74 will cause self-heating and
temperature drift error.
SDA and SCLK must be connected to V
DD
or GND.
V
= 3.3V for TC74X -3.3VCT. V
= 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 V
DD
varies from
the nominal value, accuracy will degrade 1°C/V of V
DD
change.
4:
5:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC74A5-5.0VAT | 功能描述:板上安裝溫度傳感器 Digital Thermal RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TC74A5-5.0VAT | 制造商:Microchip Technology Inc 功能描述:Temperature Sensor IC |
| TC74A5-5.0VCT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Tiny Serial Digital Thermal Sensor |
| TC74A5-5.0VCTTR | 功能描述:板上安裝溫度傳感器 Digital Thermal RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TC74A5-5.0VCTTRG | 功能描述:板上安裝溫度傳感器 Digital Thermal RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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