Datasheet > ADS131M02IRUKT

ADS131M02IRUKT

更新时间： 2022-06-24 15:39:41

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
92页	3091K
描述
ADS131M02 2-Channel, Simultaneously-Sampling, 24-Bit, Delta-Sigma ADC

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ADS131M02IRUKT 数据手册

ADS131M02

SBAS853A – JANUARY 2020 – REVISED APRIL 2021

www.ti.com

6.3 Recommended Operating Conditions

over operating ambient temperature range (unless otherwise noted)

MIN

NOM

MAX

UNIT

POWER SUPPLY

AVDD to AGND, normal operating modes

2.7

2.4

3.0

3.6

0.3

3.6

Analog power supply

AVDD to AGND, standby and current-detect modes

AGND to DGND

–0.3

2.7

DVDD to DGND

3.0

Digital power supply

DVDD to DGND, DVDD shorted to CAP (digital LDO

bypassed)

1.65

1.8

ANALOG INPUTS⁽¹⁾

Gain = 1, 2, or 4

AGND – 1.3

–V_REF/ Gain

AVDD

AVDD – 1.8

V_REF/ Gain

V_AINxP

V_AINxN

Absolute input voltage

Gain = 8, 16, 32, 64 or 128

V_IN= V_AINxP- V_AINxN

V_IN

Differential input voltage

EXTERNAL CLOCK SOURCE

High-resolution mode

Low-power mode

0.3

8.192

4.096

2.048

50%

8.4

4.15

2.08

60%

f_CLKIN

External clock frequency

MHz

Very-low-power mode

0.3

Duty cycle

40%

DIGITAL INPUTS

Input voltage

TEMPERATURE RANGE

T_AOperating ambient temperature

DGND

–40

DVDD

125

°C

(1) The subscript "x" signifies the channel. For example, the positive analog input to channel 0 is named AIN0P. See the Pin

Configurations and Functions section for the pin names.

6.4 Thermal Information

ADS131M02

THERMAL METRIC ⁽¹⁾

RUK (WQFN)

20 PINS

94.1

PW (TSSOP)

20 PINS

94.9

UNIT

R_θJA

Junction-to-ambient thermal resistance

°C/W

R_θJC(top)Junction-to-case (top) thermal resistance

58.1

34.9

R_θJB

Ψ_JT

Ψ_JB

Junction-to-board thermal resistance

64.3

46.4

Junction-to-top characterization parameter

Junction-to-board characterization parameter

31.8

2.7

58.0

46.0

R_θJC(bot)Junction-to-case (bottom) thermal resistance

5.9

N/A

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

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