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器件3D模型￥ 60.34
TMP300AIDCKR 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
湿度传感器
封装:
SC-70-6
描述:
1.8V ，电阻可编程温度开关与模拟输出温度传感器，SC70 1.8V, Resistor-Programmable TEMPERATURE SWITCH and ANALOG OUT TEMPERATURE SENSOR in SC70
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P5P6Hot
封装尺寸在P2P27P30P31
标记信息在P2P27P28
封装信息在P2P27P28P29P30P31
技术参数、封装参数在P2
应用领域在P1P29
电气规格在P3P4
型号编号列表在P11
导航目录
TMP300AIDCKR数据手册
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TMP421
TMP422
TMP423
SBOS398C –JULY 2007–REVISED MAY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS: TMP421C
At T
A
= –40°C to +125°C and V+ = 2.55V to 5.5V, unless otherwise noted.
TMP421C
PARAMETER CONDITIONS MIN TYP MAX UNIT
TEMPERATURE ERROR
Local Temperature Sensor TE
LOCAL
T
A
= –40°C to +125°C ±1.25 ±2.5 °C
T
A
= +15°C to +85°C, V+ = 3.3V ±0.25 ±1.5 °C
Remote Temperature Sensor
(1)
TE
REMOTE
T
A
= +15°C to +85°C, T
D
= –40°C to +150°C, V+ = 3.3V ±0.25 ±1 °C
T
A
= –40°C to +100°C, T
D
= –40°C to +150°C, V+ = 3.3V ±1 ±3 °C
T
A
= –40°C to +125°C, T
D
= –40°C to +150°C ±3 ±5 °C
vs Supply (Local/Remote) V+ = 2.55V to 5.5V ±0.2 ±0.5 °C/V
TEMPERATURE MEASUREMENT
Conversion Time (per channel) 100 115 130 ms
Resolution
Local Temperature Sensor (programmable) 12 Bits
Remote Temperature Sensor 12 Bits
Remote Sensor Source Currents
High Series Resistance 3kΩ Max 120 μA
Medium High 60 μA
Medium Low 12 μA
Low 6 μA
Remote Transistor Ideality Factor η TMP421C Optimized Ideality Factor 1.008
SMBus INTERFACE
Logic Input High Voltage (SCL, SDA) V
IH
2.1 V
Logic Input Low Voltage (SCL, SDA) V
IL
0.8 V
Hysteresis 500 mV
SMBus Output Low Sink Current 6 mA
SDA Output Low Voltage V
OL
I
OUT
= 6mA 0.15 0.4 V
Logic Input Current 0 ≤ V
IN
≤ 6V –1 +1 μA
SMBus Input Capacitance (SCL, SDA) 3 pF
SMBus Clock Frequency 3.4 MHz
SMBus Timeout 25 30 35 ms
SCL Falling Edge to SDA Valid Time 1 μs
DIGITAL INPUTS
Input Capacitance 3 pF
Input Logic Levels
Input High Voltage V
IH
0.7(V+) (V+)+0.5 V
Input Low Voltage V
IL
–0.5 0.3(V+) V
Leakage Input Current I
IN
0V ≤ V
IN
≤ V+ 1 μA
POWER SUPPLY
Specified Voltage Range V+ 2.55 5.5 V
Quiescent Current I
Q
0.0625 Conversions per Second 32 38 μA
Eight Conversions per Second 400 525 μA
Serial Bus Inactive, Shutdown Mode 3 10 μA
Serial Bus Active, f
S
= 400kHz, Shutdown Mode 90 μA
Serial Bus Active, f
S
= 3.4MHz, Shutdown Mode 350 μA
Undervoltage Lockout UVLO 2.3 2.4 2.5 V
Power-On Reset Threshold POR 1.6 2.3 V
TEMPERATURE RANGE
Specified Range –40 +125 °C
Storage Range –60 +130 °C
Thermal Resistance θ
JA
DSBGA 128 °C/W
(1) Tested with less than 5Ω effective series resistance and 100pF differential input capacitance.
4 Submit Documentation Feedback Copyright © 2007–2012, Texas Instruments Incorporated
Product Folder Link(s): TMP421 TMP422 TMP423
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