ADT75ARM

更新时间： 2024-01-20 00:17:04

品牌	Logo	应用领域
亚德诺 - ADI		传感器温度传感器
页数	文件大小	规格书
24页	389K
描述
+-1∑C Accurate, 12-Bit Digital Temperature Sensor

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数据手册

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ADT75ARM 数据手册

ꢁT75

B GRADE

T_A= T_MINto T_MAX, V_DD= 3.0 V to 5.5 V. All specifications for −55°C to +125°C, unless otherwise noted.

Table 2.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE SENSOR AND ADC

Accuracy at V_DD= 3.0 V to 5.5 V

°C

bits

°C

T_A= 0°C to +70°C

T_A= −25°C to +100°C

T_A= −55°C to +100°C

T_A= +100°C to +125°C

Accuracy at V_DD= 3.0 V to 3.6 V

Accuracy at V_DD= 4.5 V to 5.5 V

ADC Resolution

Temperature Resolution

Temperature Conversion Time

Update Rate

0.0625

100

0.08

+0.03

Conversion started every 100 ms

Drift over 10 years, if part is operated at 55°C

Temperature cycle = 25°C to 125°C to 25°C

Long Term Drift

Temperature Hysteresis

OS/ALERT OUTPUT (OPEN DRAIN)

Output Low Voltage, V_OL

Pin Capacitance

High Output Leakage Current, I_OH

R_ONResistance (Low Output)

DIGITAL INPUTS

°C

0.4

I_OL= 3 mA

0.1

μA

OS/ALERT pin pulled up to 5.5 V

Supply and temperature dependent

Input Current

μA

V_IN= 0 V to V_DD

Input Low Voltage, V_IL

Input High Voltage, V_IH

SCL, SDA Glitch Rejection

0.3 × V_DD

0.7 × V_DD

Input filtering suppresses noise spikes of less

than 50 ns

Pin Capacitance

DIGITAL OUTPUT (OPEN DRAIN)

Output High Current, I_OH

Output Low Voltage, V_OL

Output High Voltage, V_OH

Output Capacitance, C_OUT

POWER REQUIREMENTS

Supply Voltage

0.4

V_OH= 5 V

I_OL= 3 mA

0.7 × V_DD

5.5

500

μA

Supply Current at 3.3 V

350

380

Peak current while converting and I²C

interface inactive

Peak current while converting and I²C

interface inactive

Supply Current at 5.0 V

525

μA

Average Current at 3.3 V

Average Current at 5.0 V

Shutdown Mode at 3.3 V

Shutdown Mode at 5.0 V

Average Power Dissipation

1 SPS

200

225

5.5

798.6

78.6

μA

μW

Part converting and I²C interface inactive

Supply current in shutdown mode

V_DD= 3.3 V, normal mode at 25°C

Average power dissipated for V_DD= 3.3 V, shutdown

mode at 25°C

140

μW

Average power dissipated for V_DD= 5.0 V, shutdown

mode at 25°C

Rev. 0 | Page 5 of 24

1 2 3 456 7 8...24

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