MSP430F2012IN datasheet(46/91 Pages) TI

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MSP430F20x3

MSP430F20x2

MSP430F20x1

SLAS491G

– AUGUST 2005 – REVISED APRIL 2011

www.ti.com

SD16_A, Built-In Voltage Reference (MSP430F20x3)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

SD16REFON = 1,

VREF

Internal reference voltage

3 V

1.14

1.20

1.26

SD16VMIDON = 0

-40

°C to 85°C

3 V

190

280

SD16REFON = 1,

IREF

Reference supply current

µA

SD16VMIDON = 0

105

°C

3 V

295

SD16REFON = 1,

Temperature coefficient

3 V

ppm/

°C

SD16VMIDON = 0

SD16REFON = 1,

CREF

VREF load capacitance

100

SD16VMIDON = 0(1)

SD16REFON = 1,

ILOAD

VREF(I) maximum load current

3 V

±200

SD16VMIDON = 0

SD16REFON = 0

→ 1,

tON

Turn-on time

SD16VMIDON = 0,

3 V

CREF = 100 nF

SD16REFON = 1,

DC power supply rejection

DC PSR

SD16VMIDON = 0,

2.5 V to 3.6 V

100

µV/V

ΔVREF/ΔVCC

VCC = 2.5 V to 3.6 V

(1)

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

noise.

SD16_A, Reference Output Buffer (MSP430F20x3)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

SD16REFON = 1,

VREF,BUF

Reference buffer output voltage

3 V

1.2

SD16VMIDON = 1

-40

°C to 85°C

385

600

Reference supply + reference

SD16REFON = 1,

IREF,BUF

3 V

µA

output buffer quiescent current

SD16VMIDON = 1

105

°C

660

Required load capacitance on

SD16REFON = 1,

CREF(O)

470

VREF

SD16VMIDON = 1

SD16REFON = 1,

ILOAD,Max

Maximum load current on VREF

3 V

±1

SD16VMIDON = 1

Maximum voltage variation vs

|ILOAD| = 0 to 1 mA

3 V

-15

+15

load current

SD16REFON = 0

→ 1,

tON

Turn on time

SD16VMIDON = 1,

3 V

100

µs

CREF = 470 nF

SD16_A, External Reference Input (MSP430F20x3)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VREF(I) Input voltage range

SD16REFON = 0

3 V

1.25

1.5

IREF(I)

Input current

SD16REFON = 0

3 V

MSP430F2012IN 数据表(PDF) 46 Page - Texas Instruments

MSP430F2012IN 数据表(HTML) 46 Page - Texas Instruments

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MSP430F2012IN 数据表(PDF) 46 Page - Texas Instruments

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