MSP430F2012IPW datasheet(45/80 Pages) TI

45 / 80 page

MSP430x20x1, MSP430x20x2, MSP430x20x3

MIXED SIGNAL MICROCONTROLLER

SLAS491A − AUGUST 2005 − REVISED OCTOBER 2005

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

MSP430x20x3 electrical characteristics over recommended ranges of supply voltage and

operating free-air temperature (unless otherwise noted) (continued)

typical characteristics − SD16_A SINAD performance over OSR (MSP430x20x3 only)

OSR

50.0

55.0

60.0

65.0

70.0

75.0

80.0

85.0

90.0

95.0

100.0

10.00

100.00

1000.00

Figure 22. SINAD performance over OSR, fSD16 = 1MHz, SD16REFON = 1, SD16GAINx = 1

PW, or N

SD16_A, performance (fSD16 = 1MHz, SD16OSRx = 256, SD16REFON = 1, MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

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 (see Note 1)

SD16GAINx = 8

3 V

7.36

7.62

7.84

Nominal Gain (see Note 1)

SD16GAINx = 16

3 V

14.56

15.04

15.52

SD16GAINx = 32

3 V

27.20

28.35

29.76

dG/dT

Gain Temperature Drift

SD16GAINx = 1 (see Note 2)

3 V

ppm/

dG/dVCC

Gain Supply Voltage Drift

SD16GAINx = 1; VCC = 2.5V - 3.6V

(see Note 3)

2.5V-3.6V

0.35

%/V

EOS

Offset Error (see Note 1)

SD16GAINx = 1

3 V

±0.2

%FSR

EOS

Offset Error (see Note 1)

SD16GAINx = 32

3 V

±1.5

%FSR

dEOS/dT

Offset Error Temperature

SD16GAINx = 1

3 V

±4

±20

ppm

dEOS/dT

Offset Error Temperature

Coefficient (see Note 1)

SD16GAINx = 32

3 V

±20

±100

ppm

FSR/

CMRR

Common-Mode Rejection Ratio

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

PSRR

Power Supply Rejection Ratio

SD16GAINx = 1

3 V

>80

NOTES:

1. Not production tested, limits characterized.

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

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

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

MSP430F2012IPW Datasheet(PDF) 45 Page - Texas Instruments

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