MSP430F6638IPZ datasheet(52/133 Pages) TI

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8.47 12-Bit DAC, Output Specifications

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

PARAMETER

TEST CONDITIONS

VCC

MIN

TYP

MAX

UNIT

Output voltage range(1)

(see Figure 8-18)

No load, VeREF+ = AVCC,

DAC12_xDAT = 0h, DAC12IR = 1,

DAC12AMPx = 7

2.2 V, 3 V

0.005

No load, VeREF+ = AVCC,

DAC12_xDAT = 0FFFh, DAC12IR = 1,

DAC12AMPx = 7

AVCC –

0.05

AVCC

RLoad = 3 kΩ, VeREF+ = AVCC,

DAC12_xDAT = 0h, DAC12IR = 1,

DAC12AMPx = 7

0.1

RLoad = 3 kΩ, VeREF+ = AVCC,

DAC12_xDAT = 0FFFh, DAC12IR = 1,

DAC12AMPx = 7

AVCC –

0.13

AVCC

CL(DAC12)

Maximum DAC12 load

capacitance

2.2 V, 3 V

100

IL(DAC12)

Maximum DAC12 load

current

DAC12AMPx = 2, DAC12_xDAT = 0FFFh,

VO/P(DAC12) > AVCC – 0.3

2.2 V, 3 V

–1

DAC12AMPx = 2, DAC12_xDAT = 0h,

VO/P(DAC12) < 0.3 V

RO/P(DAC12)

Output resistance (see

Figure 8-18)

RLoad = 3 kΩ, VO/P(DAC12) < 0.3 V,

DAC12AMPx = 2, DAC12_xDAT = 0h

2.2 V, 3 V

150

250

Ω

RLoad = 3 kΩ, VO/P(DAC12) > AVCC – 0.3 V,

DAC12_xDAT = 0FFFh

150

250

RLoad = 3 kΩ,

0.3 V ≤ VO/P(DAC12) ≤ AVCC – 0.3 V

(1)

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

O/P(DAC12_x)

Max

0.3

– 0.3 V

OUT

Min

Load

= 100 pF

Load

DAC12

O/P(DAC12_x)

Figure 8-18. DAC12_x Output Resistance Tests

MSP430F6638, MSP430F6637, MSP430F6636, MSP430F6635, MSP430F6634

MSP430F6633, MSP430F6632, MSP430F6631, MSP430F6630

SLAS566G – JUNE 2010 – REVISED SEPTEMBER 2020

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MSP430F6638IPZ Datasheet(PDF) 52 Page - Texas Instruments

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