5V, Low-Power, Voltage-Output,

Serial 10-Bit DACs

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11

MAX504

MAX515

MICROWIRE

PORT

SCLK

DIN

CS

DOUT

SK

SO

I/O

SI

THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE

MAX504/MAX515, BUT MAY BE USED FOR VERIFYING DATA TRANSFER .

MAX504

MAX515

SPI

PORT

SCLK

DIN

CS

DOUT

SCK

MOSI

I/O

MISO

THE DOUT-MISO CONNECTION IS NOT REQUIRED FOR WRITING TO THE

MAX504/MAX515, BUT MAY BE USED FOR VERIFYING DATA TRANSFER .

CPOL = 0, CPHA = 0

Figure 4. Microwire Connection

Figure 5. SPI/QSPI Connection

Figure 6. Unipolar Configuration (0V to +2.048V Output)

33µF

REFIN

REFOUT

AGND

DGND

BIPOFF

RFB

VOUT

0V TO -5V

+5V

G = 1

MAX504

33µF

REFIN

REFOUT

AGND

DGND

BIPOFF

RFB

VOUT

0V TO -5V

+5V

G = 2

MAX504

Figure 7. Unipolar Configuration (0V to +4.096V Output)

Table 2. Unipolar Binary Code Table

Table 1. Unipolar Binary Code Table

INPUT*

OUTPUT

1111

1111

11(00)

1000

0000

01(00)

1000

0000

00(00)

0111

1111

11(00)

0000

0000

01(00)

0000

0000

00(00)

1023

1024

513

1024

512

1024

511

1024

1

1024

OV

INPUT*

OUTPUT

1111

1111

11(00)

1000

0000

01(00)

1000

0000

00(00)

0111

1111

11(00)

0000

0000

01(00)

0000

0000

00(00)

1023

1024

513

1024

512

1024

511

1024

1

1024

OV

*

Write 10-bit data words with two sub-LSB 0s because the

DAC input latch is 12 bits wide.

*

Write 10-bit data words with two sub-LSB 0s because the

DAC input latch is 12 bits wide.