MSP432P411VIPZ datasheet(72/212 Pages) TI1

72 / 212 page

Ambient Temperature (°C)

-40

-20

100

600

625

650

675

700

725

750

775

800

825

850

875

D020

MSP432P4111, MSP432P4011, MSP432P411Y

MSP432P401Y, MSP432P411V, MSP432P401V

SLASEA0A – DECEMBER 2017 – REVISED FEBRUARY 2018

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Product Folder Links: MSP432P4111 MSP432P4011 MSP432P411Y MSP432P401Y MSP432P411V MSP432P401V

Specifications

Table 5-31 lists the characteristics of the temperature sensor and built-in V1/2.

(1)

The temperature sensor offset can be as much as ±35°C. TI recommends a single-point calibration to minimize the offset error of the

built-in temperature sensor.

(2)

The TLV structure contains calibration values for 30°C ±3°C and 85°C ±3°C for each of the available reference voltage levels. The

sensor voltage can be computed as VSENSE = TCSENSOR × (Temperature,°C) + VSENSOR, where TCSENSOR and VSENSOR can be

computed from the calibration values for higher accuracy.

(3)

The typical equivalent impedance of the sensor is 250 kΩ. The sample time required includes the sensor-on time tSENSOR(on).

(4)

The on-time tV1/2 (on) is included in the sampling time tV1/2 (sample). No additional on time is needed.

Table 5-31. Precision ADC Temperature Sensor and Built-In V1/2

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VSENSOR

Temperature sensor voltage(1) (2)

(see Figure 5-29)

ADC14ON = 1, ADC14TCMAP = 1,

TA = 0°C

685

TCSENSOR

Change in voltage with

temperature(2)

ADC14ON = 1, ADC14TCMAP = 1

1.9

mV/°C

tSENSOR

(sample)

Sample time required if ADCTCMAP

= 1 and channel (MAX – 1) is

selected(3)

ADC14ON = 1, ADC14TCMAP = 1,

Error of conversion result

≤ 1 LSB

µs

V1/2

AVCC voltage divider for

ADC14BATMAP = 1 on MAX input

channel

ADC14ON = 1, ADC14BATMAP = 1

48%

50%

52%

tV 1/2

(sample)

Sample time required if

ADC14BATMAP = 1 and channel

MAX is selected(4)

ADC14ON = 1, ADC14BMAP = 1

µs

Figure 5-29. Typical Temperature Sensor Voltage

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