MSP430F4250IDL datasheet(35/63 Pages) TI

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MSP430F42x0

MIXED SIGNAL MICROCONTROLLER

SLAS455D − MARCH 2005 − REVISED APRIL 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature (unless otherwise

noted) (continued)

12-bit DAC, output specifications

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

No Load, VREF,DAC12 = AVCC,

DAC12_xDAT = 0h, DAC12IR = 1,

DAC12AMPx = 7

2.2V/3V

0.005

Output voltage

range

No Load, VREF,DAC12 = AVCC,

DAC12_xDAT = 0FFFh, DAC12IR = 1,

DAC12AMPx = 7

2.2V/3V

AVCC−0.05

AVCC

range

(see Note 1,

Figure 15)

RLoad= 3 kΩ, VREF,DAC12 = AVCC,

DAC12_xDAT = 0h, DAC12IR = 1,

DAC12AMPx = 7

2.2V/3V

0.1

RLoad= 3 kΩ, VREF,DAC12 = AVCC,

DAC12_xDAT = 0FFFh, DAC12IR = 1,

DAC12AMPx = 7

2.2V/3V

AVCC−0.13

AVCC

CL(DAC12)

Max DAC12

load capacitance

2.2V/3V

100

Max DAC12

2.2V

−0.5

+0.5

IL(DAC12)

Max DAC12

load current

−1.0

+1.0

RLoad= 3 kΩ, VO/P(DAC12) < 0.3 V,

DAC12AMPx = 2, DAC12_xDAT = 0h

2.2V/3V

150

250

RO/P(DAC12)

Output

Resistance

(see Figure 15)

RLoad= 3 kΩ,

VO/P(DAC12) > AVCC−0.3 V

DAC12_xDAT = 0FFFh

2.2V/3V

150

250

(see Figure 15)

RLoad= 3 kΩ,

0.3V

≤ VO/P(DAC12) ≤ AVCC − 0.3V

2.2V/3V

NOTES:

1. Data is valid after the offset calibration of the output amplifier.

RO/P(DAC12_x)

Max

0.3

AVCC

AVCC−0.3V

VOUT

Min

RLoad

AVCC

CLoad= 100pF

ILoad

DAC12

O/P(DAC12_x)

Figure 15. DAC12_x Output Resistance Tests

MSP430F4250IDL Datasheet(PDF) 35 Page - Texas Instruments

MSP430F4250IDL Datasheet(HTML) 35 Page - Texas Instruments

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