MAX520ACWE Maxim Integrated Products, MAX520ACWE Datasheet - Page 12

• Manufacturer Part Number: MAX520ACWE
• Description: IC DAC QUAD SER 8BIT R/R 16-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX520ACWE

• Settling Time: 2µs
• Number Of Bits: 8
• Data Interface: I²C, Serial
• Number Of Converters: 4
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 762mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
Figure 7. Setting DAC Outputs
Figure 8. Entering the Power-Down State
Figure 9. Returning to Normal Operation from Power-Down
12
______________________________________________________________________________________
(a)
(b)
SDA
SDA
(a)
(b)
SDA
SDA
CONDITION
CONDITION
CONDITION
CONDITION
SDA
SDA
START
START
START
START
START
CONDITION
NOTE: X = DON'T CARE
NOTE: X = DON'T CARE
0
1
1
0
0
0
0
ADDRESS BYTE
0
1
1
1
1
1
ADDRESS BYTE
ADDRESS BYTE
ADDRESS BYTE
ADDRESS BYTE
1
OUTPUT BYTE
0
1
(FULL SCALE)
0
0
0
1
1
1
1
1
AD1 AD0 0
0 OR AD2
1
AD1 AD0 0
AD1 AD0 0
AD1 AD0 0 0
AD1 AD0 0
1
0 OR AD2
0 OR AD2
0 OR AD2
0 OR AD2
(
DAC1 INPUT LATCH
SET TO FULL SCALE
1 1
ACK
0
ACK
ACK
ACK
0
ACK
0
ACK
0
0
0
0
0
0
0
0 0 0 0 0
(ADDRESSING DAC0)
0 0 0 0 1
COMMAND BYTE
0
(ADDRESSING DAC2)
0
0
0
(ADDRESSING DAC3)
(ADDRESSING DAC0)
COMMAND BYTE
COMMAND BYTE
COMMAND BYTE
)
COMMAND BYTE
COMMAND BYTE
0 0
0
0
0
0
0
0
(PD)
(PD)
(PD)
(PD)
0
0
0 0 0
1
0 1
X X X
0 1 1
X X X
0 0 0
ACK
0
0 0
ACK
ACK
CONDITION
ACK
CONDITION
ACK
1
ACK
0
0
0
0
STOP
STOP
1
1
0
1
0
OUTPUT BYTE
(FULL SCALE)
1
0
1
OUTPUT BYTE
(HALF SCALE)
0
(
(
1
OUTPUT BYTE
0
OUTPUT BYTE
(FULL SCALE)
1
DEVICE RETURNS TO
NORMAL OPERATION
DEVICE ENTERS
POWER-DOWN STATE
(SET TO 0)
(
0
1
(
0
DAC2 INPUT LATCH
SET TO HALF SCALE
1
DAC 0 INPUT LATCH
SET TO FULL SCALE
0 0
1
0
1
(
(
LATCH SET TO 0
DAC3 OUTPUT
DAC0 INPUT LATCH
SET TO FULL SCALE
1
0
1
0
1
0
1
ACK
0 0
0
0
1
ACK
)
)
ACK
ACK
0
0
)
0
)
)
(
(
(
STOP
CONDITION
0
DAC OUTPUTS CHANGE HERE:
DACS 0 AND 1 GO TO FULL SCALE,
DAC 2 GOES TO HALF SCALE.
STOP
CONDITION
DEVICE RETURNS TO NORMAL OPERATION.
DAC 3 SET TO 0.
STOP
CONDITION
DEVICE ENTERS POWER-DOWN STATE.
DAC 0 OUTPUT LATCH SET TO FULL SCALE.
(ADDRESSING DAC1)
COMMAND BYTE
0
)
0
0 0
0
1
ACK
0
)
)
)