MAX5105EWP データシートの表示（PDF） - Maxim Integrated

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MAX5105EWP

Nonvolatile, Quad, 8-Bit DACs

Maxim Integrated 

Nonvolatile, Quad, 8-Bit DACs

Table 2. Serial Interface Programming Commands

START C1

1

0

1

0

1

0

1

0

1

0

14-BIT SERIAL WORD

C0 A2 A1 A0

0

0

0

0

0

0

0

1

0

0

1

0

0

0

1

1

0

1

0

0

D7–D0

8-bit DAC

data

8-bit DAC

data

8-bit DAC

data

8-bit DAC

data

8-bit DAC

data

FUNCTION

Write DAC data to DAC0 nonvolatile register. Output remains

unchanged.

Write DAC data to DAC1 nonvolatile register. Output remains

unchanged.

Write DAC data to DAC2 nonvolatile register. Output remains

unchanged.

Write DAC data to DAC3 nonvolatile register. Output remains

unchanged.

Write shutdown and mute states to nonvolatile register. A 1 in bits

D7–D4 mutes the respective DAC; a 1 in bits D3–D0 shuts down

the respective DAC (Table 1). Outputs remain unchanged.

1

0

1

0

0

0

8-bit DAC Write DAC data to DAC0 volatile register and update OUT0.

data

All other DAC outputs remain unchanged.

1

0

1

0

0

1

8-bit DAC Write DAC data to DAC1 volatile register and update OUT1.

data

All other DAC outputs remain unchanged.

1

0

1

0

1

0

8-bit DAC Write DAC data to DAC2 volatile register and update OUT2.

data

All other DAC outputs remain unchanged.

1

0

1

0

1

1

8-bit DAC Write DAC data to DAC3 volatile register and update OUT3.

data

All other DAC outputs remain unchanged.

Write shutdown and mute states to volatile register. A 1 in bits

1

0

1

1

0

0

8-bit DAC D7–D4 mutes the respective DAC; a 1 in bits D3–D0 shuts down

data

the respective DAC (Table 1). DAC outputs updated to their

respective mute/shutdown states.

Read DAC0 nonvolatile register. Contents of DAC0 nonvolatile

1

1

0

0

0

0 XXXXXXXX register available on DOUT. D7–D0 are ignored, and all DAC

outputs remain unchanged.

Read DAC1 nonvolatile register. Contents of DAC1 nonvolatile

1

1

0

0

0

1 XXXXXXXX register available on DOUT. D7–D0 are ignored, and all DAC

outputs remain unchanged.

Read DAC2 nonvolatile register. Contents of DAC2 nonvolatile

1

1

0

0

1

0 XXXXXXXX register available on DOUT. D7–D0 are ignored, and all DAC

outputs remain unchanged.

Read DAC3 nonvolatile register. Contents of DAC3 nonvolatile

1

1

0

0

1

1 XXXXXXXX register available on DOUT. D7–D0 are ignored, and all DAC

outputs remain unchanged.

Read mute/shutdown nonvolatile register. Contents of

1

1

0

1

0

0 XXXXXXXX mute/shutdown nonvolatile register available on DOUT. D7–D0 are

ignored, and all DAC outputs remain unchanged.

10 ______________________________________________________________________________________

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