Rainbow-electronics MAX5144 Manual de usuario descargar pdf (Pagina 7)

MAX5141–MAX5144

+3V/+5V, Serial-Input,

Voltage-Output, 14-Bit DACs

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Detailed Description

The MAX5141–MAX5144 voltage-output, 14-bit digital-

to-analog converters (DACs) offer full 14-bit perfor-

mance with less than 1LSB integral linearity error and

less than 1LSB differential linearity error, thus ensuring

monotonic performance. Serial data transfer minimizes

the number of package pins required.

The MAX5141–MAX5144 are composed of two

matched DAC sections, with a 10-bit inverted R-2R

DAC forming the ten LSBs and the four MSBs derived

from 15 identically matched resistors. This architecture

allows the lowest glitch energy to be transferred to the

DAC output on major-carry transitions. It also lowers the

DAC output impedance by a factor of eight compared

MAX5142

MAX5144

MAX400

GND

(GND)

INV

RFB

INV

OUT

CLR

SCLK

DIN

0.1µF

+3V/+5V

EXTERNAL OP AMP

MC68XXXX

PCS0

MOSI

SCLK

IC1

BIPOLAR

OUT

+5V

-5V

0.1µF

+2.5V

1µF

MAX6166

REF

Figure 2b. Typical Operating Circuit—Bipolar Output

MAX5141

MAX5142

MAX5143

MAX5144

MAX495

(GND)

REF

OUT

SCLK

DIN

GND

0.1µF

+2.5V

EXTERNAL OP AMP

MC68XXXX

PCS0

MOSI

SCLK

UNIPOLAR

OUT

CLR

1µF

IC1

MAX6166

+3V/+5V

Figure 2a. Typical Operating Circuit—Unipolar Output

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Rainbow-electronics MAX5144 Manual de usuario Pagina 7

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