MSP430F423IPMR datasheet(29/45 Pages) TI

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MSP430F42x

MIXED SIGNAL MICROCONTROLLER

SLAS421A − APRIL 2004 − REVISED JUNE 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature (unless otherwise

noted) (continued)

SD16, analog performance (fSD16 = 1MHz, SD16OSRx = 256, SD16REFON = 1)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

SD16GAINx = 1,Signal Amplitude = 500mV

3 V

83.5

SD16GAINx = 2,Signal Amplitude = 250mV

3 V

81.5

SINAD

Signal-to-noise +

SD16GAINx = 4,Signal Amplitude = 125mV

fIN = 50Hz,

3 V

79.5

SINAD

Signal to noise +

distortion ratio

SD16GAINx = 8,Signal Amplitude = 62mV

fIN = 50Hz,

100Hz

3 V

76.5

SD16GAINx = 16,Signal Amplitude = 31mV

3 V

SD16GAINx = 32,Signal Amplitude = 15mV

3 V

SD16GAINx = 1

3 V

0.97

1.00

1.02

SD16GAINx = 2

3 V

1.90

1.96

2.02

SD16GAINx = 4

3 V

3.76

3.86

3.96

Nominal gain

SD16GAINx = 8

3 V

7.36

7.62

7.84

SD16GAINx = 16

3 V

14.56

15.04

15.52

SD16GAINx = 32

3 V

27.20

28.35

29.76

Offset error

SD16GAINx = 1

3 V

±0.2

%FSR

EOS

Offset error

SD16GAINx = 32

3 V

±1.5

%FSR

/dT

Offset error

temperature

SD16GAINx = 1

3 V

±4

±20

ppm

dEOS/dT

temperature

coefficient

SD16GAINx = 32

3 V

±20

±100

ppm

FSR/

CMRR

Common-mode

SD16GAINx = 1, Common-mode input signal:

VID = 500 mV, fIN = 50 Hz, 100 Hz

3 V

>90

CMRR

Common mode

rejection ratio

SD16GAINx = 32, Common-mode input signal:

VID = 16 mV, fIN = 50 Hz, 100 Hz

3 V

>75

AC PSRR

AC power supply

rejection ratio

SD16GAINx = 1, VCC = 3 V ± 100 mV, fVCC = 50 Hz

3 V

>80

Crosstalk

3 V

<−100

SD16, built-in temperature sensor

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

TCSensor

Sensor temperature

coefficient

1.18

1.32

1.46

mV/K

VOffset,sensor

Sensor offset

voltage

−100

100

Temperature sensor voltage at TA = 85°C

3 V

435

475

515

VSensor

Sensor output

voltage (see Note 2)

Temperature sensor voltage at TA = 25°C

3 V

355

395

435

VSensor

voltage (see Note 2)

Temperature sensor voltage at TA = 0°C

3 V

320

360

400

NOTES:

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

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

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

MSP430F423IPMR Datasheet(PDF) 29 Page - Texas Instruments

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