MSP430F449IPZ datasheet(39/73 Pages) TI

39 / 73 page

MSP430x43x1, MSP430x43x, MSP430x44x

MIXED SIGNAL MICROCONTROLLER

SLAS344F − JANUARY 2002 − REVISED MAY 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

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

noted) (continued)

Comparator_A (see Note 1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CAON 1 CARSEL 0 CAREF 0

VCC = 2.2 V

I(CC)

CAON=1, CARSEL=0, CAREF=0

VCC = 3 V

μA

CAON=1, CARSEL=0, CAREF=1/2/3,

VCC = 2.2 V

I(Refladder/RefDiode)

CAON=1, CARSEL=0, CAREF=1/2/3,

No load at P1.6/CA0 and P1.7/CA1

VCC = 3 V

μA

V(Ref025)

Voltage @ 0.25 V

node

PCA0=1, CARSEL=1, CAREF=1,

No load at P1.6/CA0 and P1.7/CA1

VCC = 2.2 V / 3 V

0.23

0.24

0.25

V(Ref050)

Voltage @ 0.5 V

node

PCA0=1, CARSEL=1, CAREF=2,

No load at P1.6/CA0 and P1.7/CA1

VCC = 2.2V / 3 V

0.47

0.48

0.5

See Figure 6 and Figure 7

PCA0=1, CARSEL=1, CAREF=3,

No load at P1 6/CA0 and P1 7/CA1;

VCC = 2.2 V

390

480

540

V(RefVT)

See Figure 6 and Figure 7

No load at P1.6/CA0 and P1.7/CA1;

TA = 85°C

VCC = 3 V

400

490

550

VIC

Common-mode input

voltage range

CAON=1

VCC = 2.2 V / 3 V

VCC−1

Vp−VS

Offset voltage

See Note 2

VCC = 2.2 V / 3 V

−30

Vhys

Input hysteresis

CAON = 1

VCC = 2.2 V / 3 V

0.7

1.4

TA = 25°C,

VCC = 2.2 V

160

210

300

TA = 25 C,

Overdrive 10 mV, without filter: CAF = 0

VCC = 3 V

150

240

t(response LH)

TA = 25°C

VCC = 2.2 V

1.4

1.9

3.4

TA = 25 C

Overdrive 10 mV, with filter: CAF = 1

VCC = 3 V

0.9

1.5

2.6

μs

TA = 25°C

VCC = 2.2 V

130

210

300

TA = 25 C

Overdrive 10 mV, without filter: CAF = 0

VCC = 3 V

150

240

t(response HL)

TA = 25°C,

VCC = 2.2 V

1.4

1.9

3.4

TA = 25 C,

Overdrive 10 mV, with filter: CAF = 1

VCC = 3 V

0.9

1.5

2.6

μs

NOTES:

1. The leakage current for the Comparator_A terminals is identical to Ilkg(Px.x) specification.

2. The input offset voltage can be cancelled by using the CAEX bit to invert the Comparator_A inputs on successive measurements.

The two successive measurements are then summed together.

MSP430F449IPZ Datasheet(PDF) 39 Page - Texas Instruments

MSP430F449IPZ Datasheet(HTML) 39 Page - Texas Instruments

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