MAX5222EKA+T Maxim Integrated Products, MAX5222EKA+T Datasheet - Page 9

• Manufacturer Part Number: MAX5222EKA+T
• Description: IC DAC 8BIT DUAL BUFF SOT23-8
• Manufacturer: Maxim Integrated Products

Specifications of MAX5222EKA+T

• Settling Time: 10µs
• Number Of Bits: 8
• Data Interface: Serial
• Number Of Converters: 2
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-8
• Resolution: 8 bit
• Interface Type: Serial (SPI)
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Voltage Reference: External
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power Dissipation (max): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MAX5222EKA+T

X =
* = Not shown, for the sake of clarity. The functions of loading and shutting down the DACs and programming the logic can be combined in a single
command.
Figure 2. 3-Wire Serial-Interface Timing Diagram
Table 2. Serial-Interface Programming Commands
Table 3. Example of a 16-Bit Input Word
UB1 UB2 UB3 SB
LOADED
IN FIRST
UB1
X
X
X
X
X
X
X
X
X
X
Don’t care.
X
X
X
X
X
X
X
X
X
X
X
UB2
X
1
1
1
1
1
1
1
1
1
1
SCLK
DIN
CS
CONTROL
UB3
*
*
*
*
*
0
0
1
0
1
1
_______________________________________________________________________________________
SA UB4 LB
0
0
0
1
1
*
*
*
*
*
UB1 UB2 UB3 SB
SB
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
SA
*
*
*
*
*
0
(CONTROL BYTE)
LA
0
0
0
1
1
*
*
*
*
*
UB4
SA UB4 LB
MSB
0
B7
X
X
X
X
X
X
B6
X
X
X
X
X
X
LB
1
LA
B5
X
X
X
X
X
X
Dual, 8-Bit, Voltage-Output
8-Bit DAC Data
8-Bit DAC Data
8-Bit DAC Data
LA
Serial DAC in 8-Pin SOT23
1
B4
X
X
X
X
X
X
DATA
B3
X
X
X
X
X
X
B7
1
OPTIONAL
B2
D7
X
X
X
X
X
X
B6
0
D6
B1
X
X
X
X
X
X
D5
LSB
B0
B5
X
X
X
X
X
X
(DATA BYTE)
0
D4
No Operation to DAC Registers
Unassigned Command
Load Register to DAC B
Load Register to DAC A
Load Both DAC Registers
All DACs Active
Unassigned Command
Shut Down
Shut Down
Shut Down
D3
B4
0
D2
D1
B3
0
D0
FUNCTION
INSTRUCTION
B2
EXECUTED
0
B1
0
LOADED
IN LAST
B0
0
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