MSP430 datasheet(32/96 Pages) TI2

32 / 96 page

MSP430G2533, MSP430G2433, MSP430G2333, MSP430G2233

MSP430G2403, MSP430G2303, MSP430G2203

SLAS734G – APRIL 2011 – REVISED APRIL 2016

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Product Folder Links: MSP430G2533 MSP430G2433 MSP430G2333 MSP430G2233 MSP430G2403 MSP430G2303

MSP430G2203

Specifications

5.30 10-Bit ADC, Built-In Voltage Reference (MSP430G2x33 Only)

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

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

VCC,REF+

Positive built-in reference

analog supply voltage range

IVREF+ ≤ 1 mA, REF2_5V = 0

2.2

IVREF+ ≤ 1 mA, REF2_5V = 1

2.9

VREF+

Positive built-in reference

voltage

IVREF+ ≤ IVREF+max, REF2_5V = 0

3 V

1.41

1.5

1.59

IVREF+ ≤ IVREF+max, REF2_5V = 1

2.35

2.5

2.65

ILD,VREF+

Maximum VREF+ load current

3 V

±1

VREF+ load regulation

IVREF+ = 500 µA ±100 µA,

Analog input voltage VAx ≈ 0.75 V,

REF2_5V = 0

3 V

±2

LSB

IVREF+ = 500 µA ±100 µA,

Analog input voltage VAx ≈ 1.25 V,

REF2_5V = 1

±2

VREF+ load regulation response

time

IVREF+ = 100 µA → 900 µA,

VAx ≈ 0.5 × VREF+,

Error of conversion result

≤ 1 LSB,

ADC10SR = 0

3 V

400

CVREF+

Maximum capacitance at pin

VREF+

IVREF+ ≤ ±1 mA, REFON = 1, REFOUT = 1

3 V

100

TCREF+

Temperature coefficient

IVREF+ = const with 0 mA ≤ IVREF+ ≤ 1 mA

3 V

±100

ppm/

°C

tREFON

Settling time of internal

reference voltage to 99.9%

VREF

IVREF+ = 0.5 mA, REF2_5V = 0,

REFON = 0

→ 1

3.6 V

µs

tREFBURST

Settling time of reference buffer

to 99.9% VREF

IVREF+ = 0.5 mA,

REF2_5V = 1, REFON = 1,

REFBURST = 1, ADC10SR = 0

3 V

µs

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