MAX519BCSE データシートの表示（PDF） - Maxim Integrated

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MAX519BCSE

2-Wire Serial 8-Bit DACs with Rail-to-Rail Outputs

Maxim Integrated 

2-Wire Serial 8-Bit DACs with

Rail-to-Rail Outputs

11

or or

0 1 0 AD3 AD2AD1 AD0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0

SDA

ADDRESS BYTE

START

CONDITION

ACK

COMMAND BYTE

ACK

(ADDRESSING DAC0)

OUTPUT BYTE

ACK

(FULL SCALE)

STOP

( ) DAC0 INPUT LATCH CONDITION

SET TO FULL SCALE

( ) DAC OUTPUT CHANGES HERE:

DAC0 GOES TO FULL SCALE.

Figure 8a. Setting One DAC Output (MAX517/MAX518/MAX519)

11

or or

0 1 0 AD3 AD2AD1 AD0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 0

SDA

ADDRESS BYTE

START

CONDITION

ACK

COMMAND BYTE

ACK

(ADDRESSING DAC0)

OUTPUT BYTE

ACK

COMMAND BYTE

ACK

(FULL SCALE)

(ADDRESSING DAC1)

( ) DAC0 INPUT LATCH

SET TO FULL SCALE

11111111 0

SDA

OUTPUT BYTE

ACK

(FULL SCALE)

STOP

( ) DAC1 INPUT LATCH CONDITION

SET TO FULL SCALE

( ) DAC OUTPUTS CHANGE HERE:

DAC0 AND DAC1 GO TO FULL SCALE.

Figure 8b. Setting Both DAC Outputs (MAX518/MAX519)

11

(a)

or or

(PD)

0 1 0 AD3 AD2 AD1 AD0 0 0 0 0 0 0 1

0

SDA

XXX

START

CONDITION

ADDRESS BYTE

ACK

COMMAND BYTE

ACK

( ) STOP DEVICE ENTERS

CONDITION POWER-DOWN STATE

11

(b)

or or

(PD)

0 1 0 AD3 AD2 AD1AD0 0 0 0 0 0 0 1

0 0 111111110

SDA

XX

START

CONDITION

ADDRESS BYTE

NOTE: X = DON'T CARE

ACK

COMMAND BYTE

ACK

(ADDRESSING DAC0)

OUTPUT BYTE

ACK

(FULL SCALE)

STOP

DAC0 INPUT LATCH CONDITION

( ) SET TO FULL SCALE. DEVICE ENTERS POWER-DOWN STATE.

( ) DAC0 OUTPUT LATCH SET TO FULL SCALE.

Figure 9. Entering the Power-Down State

10 ______________________________________________________________________________________

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