Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsData collecting ICsData acquisition IC - DA converter (DAC) TSSOP 20

MAX5723/MAX5724/MAX5725

Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered

Output DACs with Internal Reference and SPI Interface

21Maxim Integrated

Table 2. SPI Commands Summary (continued)

COMMAND B23 B22 B21 B20 B19 B18 B17 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 DESCRIPTION

POWER 0 1 0 0 0 0 0 0

DAC7

DAC6

DAC5

DAC4

DAC3

DAC2

DAC1

DAC0

Power

Mode

00 =

Normal

01 =

PD1kI

10 = PD

100kI

11 = PD

Hi-Z

X X X X X X

Sets the Power Mode

of the selected DACs

(DACs selected with a

1 in the corresponding

DACn bit are updated,

DACs with a 0 in the

corresponding DACn bit

are not impacted)

DEFAULT 0 1 1 0 0 0 0 0

DAC7

DAC6

DAC5

DAC4

DAC3

DAC2

DAC1

DAC0

Default Values:

000: MZ

001: ZERO

010: MID

011: FULL

100: RETURN

101+: No Effect

Sets the DEFAULT

code settings for

selected DACs. Note,

DACs in RETURN

mode programmable

RETURN codes. (DACs

selected with a 1 in the

corresponding DACn bit

are updated, DACs with

a 0 in the corresponding

DACn bit are not

impacted)

DAC COMMANDS

RETURNn 0 1 1 1 DAC Selection

RETURN REGISTER

DATA[11:4]

RETURN REGISTER

DATA[3:0]

X X X X

Writes data to the

selected RETURN

CODEn 1 0 0 0 DAC Selection

CODE REGISTER

DATA[11:4]

CODE REGISTER

DATA[3:0]

X X X X

Writes data to the

selected CODE

LOADn 1 0 0 1 DAC Selection X X X X X X X X X X X X X X X X

Transfers data from the

selected CODE registers

to the selected DAC

CODEn_

LOAD_ALL

1 0 1 0 DAC Selection

CODE REGISTER

DATA[11:4]

CODE REGISTER

DATA[3:0]

X X X X

Simultaneously writes

data to the selected

CODE register(s) while

updating all DAC

registers

CODEn_

LOADn

1 0 1 1 DAC Selection

CODE REGISTER

DATA[11:4]

CODE REGISTER

DATA[3:0]

X X X X

Simultaneously writes

data to the selected

CODE register(s) while

updating selected DAC

CODE_ALL 1 1 0 0 0 0 0 0

CODE REGISTER

DATA[11:4]

CODE REGISTER

DATA[3:0]

X X X X

Writes data to all CODE

registers