MSP430F2012IN datasheet(36/91 Pages) TI

36 / 91 page

MSP430F20x3

MSP430F20x2

MSP430F20x1

SLAS491G

– AUGUST 2005 – REVISED APRIL 2011

www.ti.com

Comparator_A+ (MSP430F20x1)

(1)

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

2.2 V

I(DD)

CAON = 1, CARSEL = 0, CAREF = 0

μA

3 V

2.2 V

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

I(Refladder/RefDiode)

μA

No load at P1.0/CA0 and P1.1/CA1

3 V

Common-mode input voltage

VIC

CAON = 1

2.2 V/3 V

VCC - 1

range

Voltage at 0.25 VCC node /

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

V(Ref025)

2.2 V/3 V

0.23

0.24

0.25

VCC

No load at P1.0/CA0 and P1.1/CA1

Voltage at 0.5 VCC node /

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

V(Ref050)

2.2 V/3 V

0.47

0.48

0.5

VCC

No load at P1.0/CA0 and P1.1/CA1

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

2.2 V

390

480

540

V(RefVT)

See Figure 20 and Figure 21

No load at P1.0/CA0 and P1.1/CA1,

3 V

400

490

550

TA = 85°C

Vp - VS

Offset voltage(2)

2.2 V/3 V

-30

Vhys

Input hysteresis

CAON = 1

2.2 V/3 V

0.7

1.4

TA = 25°C, Overdrive 10 mV,

2.2 V

165

300

Without filter: CAF = 0(3)

3 V

120

240

(see Figure 16 and Figure 17)

Response time

t(response)

(low-high and high-low)

TA = 25°C, Overdrive 10 mV,

2.2 V

1.4

1.9

2.8

With filter: CAF = 1(3)

μs

3 V

0.9

1.5

2.2

(see Figure 16 and Figure 17)

(1)

The leakage current for the Comparator_A+ terminals is identical to Ilkg(Px.y) 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.

(3)

Response time measured at P1.3/CAOUT

MSP430F2012IN 数据表(PDF) 36 Page - Texas Instruments

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