MSP430F2002IPWR datasheet(47/88 Pages) TI

47 / 88 page

MSP430x20x1, MSP430x20x2, MSP430x20x3

MIXED SIGNAL MICROCONTROLLER

SLAS491D -- AUGUST 2005 -- REVISED SEPTEMBER 2007

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)

SD16_A, built-in voltage reference (MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF

Internal reference voltage

SD16REFON = 1,

SD16VMIDON = 0

1.14

1.20

1.26

Reference s ppl c rrent

SD16REFON = 1,

-40--85°C

190

280

IREF

Reference supply current

SD16REFON = 1,

SD16VMIDON = 0

105°C

295

μA

Temperature coefficient

SD16REFON = 1,

SD16VMIDON = 0

ppm/K

CREF

VREF load capacitance

SD16REFON = 1,

SD16VMIDON = 0

(see Note 1)

100

ILOAD

VREF(I) maximum load current

SD16REFON = 1;

SD16VMIDON = 0

±200

tON

Turn on time

SD16REFON = 0 → 1;

SD16VMIDON = 0;

CREF = 100nF

DC PSR

DC Power Supply Rejection

∆VREF/∆VCC

SD16REFON = 1;

SD16VMIDON = 0;

VCC = 2.5V - 3.6V

2.5V--3.6V

100

uV/V

NOTES: 1. There is no capacitance required on VREF. However, a capacitance of at least 100nF is recommended to reduce any reference

voltage noise.

SD16_A, reference output buffer (MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF,BUF

Reference buffer output voltage

SD16REFON = 1,

SD16VMIDON = 1

1.2

Reference Supply +Reference

SD16REFON = 1,

--40--85°C

385

600

IREF,BUF

Reference Supply + Reference

output buffer quiescent current

SD16REFON = 1,

SD16VMIDON = 1

105°C

660

μA

CREF(O)

Required load capacitance

on VREF

SD16REFON = 1,

SD16VMIDON = 1

470

ILOAD,Max

Maximum load current on VREF

SD16REFON = 1,

SD16VMIDON = 1

±1

Maximum voltage variation vs. load current

|ILOAD|=0to1mA

--15

+15

tON

Turn on time

SD16REFON = 0 → 1;

SD16VMIDON = 1;

CREF = 470nF

100

μs

SD16_A, external reference input (MSP430x20x3 only)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF(I)

Input voltage range

SD16REFON = 0

1.0

1.25

1.5

IREF(I)

Input current

SD16REFON = 0

MSP430F2002IPWR Datasheet(PDF) 47 Page - Texas Instruments

MSP430F2002IPWR Datasheet(HTML) 47 Page - Texas Instruments

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