MSP430F4250IDL datasheet(29/63 Pages) TI

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MSP430F42x0

MIXED SIGNAL MICROCONTROLLER

SLAS455D − MARCH 2005 − REVISED APRIL 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

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

noted) (continued)

SD16_A, performance (fSD16 = 30kHz, SD16REFON = 1, SD16BUFx = 01)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

SD16GAINx = 1,Signal Amplitude = 500mV

SD16OSRx = 256

3 V

SINAD

Signal-to-noise +

distortion ratio

SD16GAINx = 1,Signal Amplitude = 500mV

SD16OSRx = 512

fIN = 2.8Hz

3 V

distortion ratio

SD16GAINx = 1,Signal Amplitude = 500mV

SD16OSRx = 1024

3 V

Nominal gain

SD16GAINx = 1; SD16OSRx = 1024

3 V

0.97

1.00

1.02

dG/dT

Gain temperature

drift

SD16GAINx = 1; SD16OSRx = 1024 (see Note 1)

3 V

ppm/

dG/dVCC

Gain supply voltage

drift

SD16GAINx = 1; SD16OSRx = 1024; VCC = 2.5V - 3.6V

(see Note 2)

0.35

%/V

NOTES:

1. Calculated using the box method: (MAX(−40...85

_C) − MIN(−40...85_C))/MIN(−40...85_C)/(85C − (−40_C))

2. Calculated using the box method: (MAX(2.5...3.6V) − MIN(2.5...3.6V))/MIN(2.5...3.6V)/(3.6V − 2.5V)

SD16_A, performance (fSD16 = 1MHz, SD16OSRx = 256, SD16REFON = 1, SD16BUFx = 00)

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

MSP430F4250IDL Datasheet(PDF) 29 Page - Texas Instruments

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