MSP430F412 datasheet(28/55 Pages) TI

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MSP430x41x

MIXED SIGNAL MICROCONTROLLER

SLAS340G − MAY 2001 − REVISED JUNE 2004

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

I(CC)

CAON = 1, CARSEL = 0, CAREF = 0

VCC = 2.2 V

I(CC)

CAON = 1, CARSEL = 0, CAREF = 0

VCC = 3 V

µA

I(Refladder/RefDiode)

CAON = 1, CARSEL = 0,

CAREF = 1/2/3,

VCC = 2.2 V

I(Refladder/RefDiode)

CAREF = 1/2/3,

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

VCC = 3 V

µA

V(Ref025)

Voltage @ 0.25 V

CC 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

CC 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

0.50

V(RefVT)

(see Figure 10 and

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 10 and

Figure 11)

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

TA = 85°C

VCC = 3.0 V

400

490

550

V(IC)

Common-mode input

voltage range

CAON = 1

VCC = 2. 2V/3 V

VCC−1.0

V(offset)

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

t(response LH)

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

t(response HL)

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 = 3.0 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.

MSP430F412 Datasheet(PDF) 28 Page - Texas Instruments

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