MSP430F4152IPM datasheet(44/82 Pages) TI

44 / 82 page

MSP430F41x2

MIXED SIGNAL MICROCONTROLLER

SLAS648E -- APRIL 2009 -- REVISED MARCH 2011

POST OFFICE BOX 655303

 DALLAS, TEXAS 75265

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (continued)

10-bit ADC, temperature sensor and built-in VMID

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

Temperature sensor supply

REFON = 0, INCHx =0Ah,

2.2 V

120

ISENSOR

Temperature sensor supply

current (see Note )

REFON = 0, INCHx = 0Ah,

ADC10ON = 1, TA =25_C

160

A

TCSENSOR

ADC10ON = 1, INCHx = 0Ah

(see Note 2)

2.2 V/3 V

3.55

mV/C

VOffset,Sensor

Sensor offset voltage

ADC10ON = 1, INCHx = 0Ah

(see Note 2)

--100

100

Temperature sensor voltage

at TA =85C

2.2 V/3 V

1195

1295

1395

VSensor

Sensor output voltage

(see Note 3)

Temperature sensor voltage

at TA =25C

2.2 V/3 V

985

1085

1185

(

)

Temperature sensor voltage

at TA =0C

2.2 V/3 V

895

995

1095

tSensor(sample)

Sample time required if

channel 10 is selected (see

Note 4)

ADC10ON = 1, INCHx = 0Ah,

Error of conversion result  1LSB

2.2 V/3 V

s

Current into divider at

ADC10ON 1 INCHx 0Bh

2.2 V

IVMID

Current into divider at

channel11 (see Note 5)

ADC10ON = 1, INCHx =0Bh

A

divider at channel 11

ADC10ON = 1, INCHx =0Bh,

2.2 V

1.06

1.1

1.14

VMID

VCC divider at channel 11

ADC10ON = 1, INCHx = 0Bh,

VMID is 0.5 x VCC

1.46

1.5

1.54

Sample time required if

channel 11 is selected

ADC10ON = 1, INCHx =0Bh,

2.2 V

1400

tVMID(sample)

channel 11 is selected

(see Note 6)

ADC10ON = 1, INCHx = 0Bh,

Error of conversion result  1LSB

1220

NOTES: 1. The sensor current ISENSOR is consumed if (ADC10ON = 1 and REFON = 1), or (ADC10ON = 1 and INCH = 0Ah and sample signal

is high). When REFON = 1, ISENSOR is included in IREF+. When REFON = 0, ISENSOR applies during conversion of the temperature

sensor input (INCH = 0Ah).

2. The following formula can be used to calculate the temperature sensor output voltage:

VSensor,typ =TCSensor ( 273 + T [C] ) + VOffset,sensor [mV] or

VSensor,typ =TCSensor T[C] + VSensor(TA =0C) [mV]

3. Results based on characterization and/or production test, not TCSensor or VOffset,sensor.

4. The typical equivalent impedance of the sensor is 51 k. The sample time required includes the sensor-on time tSENSOR(on).

5. No additional current is needed. The VMID is used during sampling.

6. The on-time tVMID(on) is included in the sampling time tVMID(sample); no additional on time is needed.

Timer0_A3, Timer1_A5

PARAMETER

TEST CONDITIONS

VCC

MIN

MAX UNIT

Timer A clock frequency

Internal: SMCLK, ACLK,

External: TACLK INCLK

2.2 V

MHz

fTA

Timer_A clock frequency

External: TACLK, INCLK,

Duty cycle = 50% 10%

MHz

tTA,cap

Timer_A, capture timing

TA0, TA1, TA2

2.2 V/3 V

MSP430F4152IPM Datasheet(PDF) 44 Page - Texas Instruments

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