Rainbow-electronics MAX5295 Manual do Utilizador descarregar pdf (Página 19)

MAX5290–MAX5295

Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,

Voltage-Output DACs

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CONTROL BITS DATA BITS

DATA

C3 C2 C1 C0

D1 D1

D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

FUNCTION

SELECT BITS

DIN 111000XX X X X X X X MB MA

Load DAC register A from

input register A when MA

is 1. DAC register A is

unchanged if MA is 0.

Load DAC register B from

input register B when MB

is 1. DAC register B is

unchanged if MB is 0.

SHUTDOWN-MODE BITS

DIN 1 1 1 0 0 1 0 X X X X X PDB1 PDB0 PDA1 PDA0

Write DACA and DACB

shutdown mode bits. See

Table 8.

DIN1110011XXXXXXXXX

DOUTRB X X X X X X X X X X X X PDB1 PDB0 PDA1 PDA0

Read DACA and DACB

shutdown mode bits.

UPIO CONFIGURATION BITS

DIN 1 1 1 0 1 0 0 X UPSL2 UPSL1 UP3 UP2 UP1 UP0 X X

Write UPIO configuration

bits. See Tables 19 and

22.

DIN1110101XXXXXXXXX

DOUTRB X X X X X X X X UP3-2 UP2-2 UP1-2 UP0-2 UP3-1 UP2-1 UP1-1 UP0-1

Read UPIO configuration

bits.

SETTLING-TIME-MODE BITS

DIN 1 1 1 0 1 1 0 X X X X X X X SPDB SPDA

Write DACA and DACB

settling-time mode bits.

DIN1110111XXXXXXXXX

DOUTRB X X X X X X X X X X X X X X SPDB SPDA

Read DACA and DACB

settling-time mode bits.

CPOL AND CPHA CONTROL BITS

DIN 1 1 1 1 0 0 0 0 X X X X X X CPOL CPHA

Write CPOL, CPHA control

bits. See Table 15.

DIN 11110001 X X X X X X X X

DOUTRB X X X X X X X X X X X X X X CPOL CPHA

Read CPOL, CPHA control

bits.

Table 2b. Advanced-Feature Programming Commands

X = Don’t care.

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 32 33

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