MSP430F2002IPW datasheet(43/80 Pages) TI

43 / 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)

SD16_A, power supply and recommended operating conditions (MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

AVCC

Analog supply voltage range

AVCC = DVCC = VCC

AVSS = DVSS = VSS = 0V

2.5

3.6

SD16LP = 0,

GAIN: 1,2

3 V

730

1050

SD16LP = 0,

fSD16 = 1 MHz,

SD16OSR = 256

GAIN: 4,8,16

3 V

810

1150

ISD16

Analog supply current

including internal reference

fSD16 = 1 MHz,

SD16OSR = 256

GAIN: 32

3 V

1160

1700

µA

ISD16

Analog supply current

including internal reference

SD16LP = 1,

fSD16 = 0.5 MHz,

GAIN: 1

3 V

720

1030

µA

fSD16 = 0.5 MHz,

SD16OSR = 256

GAIN: 32

3 V

810

1150

fSD16

SD16 input clock frequency

SD16LP = 0

(Low power mode disabled)

3 V

0.03

1.1

MHz

fSD16

SD16 input clock frequency

SD16LP = 1

(Low power mode enabled)

3 V

0.03

0.5

MHz

SD16_A, input range (MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VID,FSR

Differential full scale input voltage

Bipolar Mode, SD16UNI = 0

−(VREF/2)/

GAIN

+(VREF/2)/

GAIN

VID,FSR

Differential full scale input voltage

range (see Note 1)

Unipolar Mode, SD16UNI = 1

+(VREF/2)/

GAIN

SD16GAINx=1

±500

Differential input voltage range

SD16GAINx=2

±250

VID

Differential input voltage range

for specified performance

SD16REFON=1

SD16GAINx=4

±125

VID

for specified performance

(see Note 1)

SD16REFON=1

SD16GAINx=8

±62

(see Note 1)

SD16GAINx=16

±31

SD16GAINx=32

±15

Input impedance

fSD16 = 1MHz

SD16GAINx=1

3 V

200

Ω

Input impedance

(one input pin to AVSS)

fSD16 = 1MHz

SD16GAINx=32

3 V

Ω

ZID

Differential Input impedance

fSD16 = 1MHz

SD16GAINx=1

3 V

300

400

Ω

ZID

Differential Input impedance

(IN+ to IN−)

fSD16 = 1MHz

SD16GAINx=32

3 V

100

150

Ω

Absolute input voltage range

AVSS

-0.1V

AVCC

VIC

Common-mode input voltage

range

AVSS

-0.1V

AVCC

NOTES:

1. The analog input range depends on the reference voltage applied to VREF. If VREF is sourced externally, the full-scale range

is defined by VFSR+ = +(VREF/2)/GAIN and VFSR− = −(VREF/2)/GAIN. The analog input range should not exceed 80% of

VFSR+ or VFSR−.

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