MAX5842MEUB-T Maxim Integrated, MAX5842MEUB-T Datasheet - Page 13

• Manufacturer Part Number: MAX5842MEUB-T
• Description: Digital to Analog Converters - DAC
• Manufacturer: Maxim Integrated

Specifications of MAX5842MEUB-T

• Number Of Converters: 4
• Number Of Dac Outputs: 4
• Resolution: 12 bit
• Interface Type: Serial (2-Wire, I2C)
• Settling Time: 12 us
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: UMAX
• Minimum Operating Temperature: - 40 C
• Output Type: Voltage
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V
• Voltage Reference: External

Table 3. Command Byte Definitions (continued)
Figure 8. Example Read Word Data Sequence
C3
1
1
1
1
1
1
C2
1
1
1
1
1
1
S
Sr
MSB
MSB
A6
D7
MSB
C1
A6
1
1
1
1
1
1
A5
D6
______________________________________________________________________________________
A5
SERIAL DATA INPUT
C0
Quad, 12-Bit, Low-Power, 2-Wire, Serial
0
1
1
1
1
1
A4
D5
A4
D11
A3
D4
X
0
0
0
0
1
A3
A2
D3
A2
DATA BYTES GENERATED BY MAX5842
DATA BYTES GENERATED BY MASTER DEVICE
D10
X
0
0
0
1
0
A1
D2
A1
A0
D1
A0
D9
X
0
0
1
0
0
R/W
LSB
LSB
D0
= 0
R/W
LSB
= 1
ACK
ACK
D8
ACK
X
0
1
0
0
0
MSB
C3
P
MSB
Update all DAC outputs simultaneously. Device ignores
D11-D8. Do not send the data byte.
E xtend ed com m and m od e. The next w or d w r i tes to the p ow er -
d ow n r eg i ster s ( E xtend ed C om m and M od e) .
Read DAC A data. The device expects an S
followed by an address word with R/W = 1.
Read DAC B data. The device expects an S
followed by an address word with R/W = 1.
Read DAC C data. The device expects an S
followed by an address word with R/W = 1.
Read DAC D data. The device expects an S
followed by an address word with R/W = 1.
X
C2
Voltage-Output DAC
X
C1
PD1
ACK GENERATED BY
C0
PD0
MASTER DEVICE
D11
D11
FUNCTION
D10
D10
D9
D9
LSB
D8
LSB
D8
r
r
r
r
condition
condition
ACK
condition
condition
ACK
13