MAX5661EVCMAXQU+ Maxim Integrated Products, MAX5661EVCMAXQU+ Datasheet - Page 25

• Manufacturer Part Number: MAX5661EVCMAXQU+
• Description: EVALUATION SYSTEM FOR MAX56611
• Manufacturer: Maxim Integrated Products

Specifications of MAX5661EVCMAXQU+

• Number Of Dac's: 1
• Number Of Bits: 16
• Outputs And Type: 2, Single Ended
• Data Interface: Serial
• Dac Type: Current/Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 105°C
• Utilized Ic / Part: MAX5661
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Write to the input register to store the DAC code.
Transfer the value written to the input register to the
DAC register by pulling the LDAC input low or by writ-
ing to the load DAC register (0x05). Set the command
byte to 0x03 to write to the input register. Set the com-
mand byte to 0x07 to read from the input register. Bits
D15–D0 contain the straight binary data (see Table 5).
Write to the DAC register to update the OUTV and OUTI
outputs after CS returns high. Set the command byte to
0x04 to write to the DAC register. Set the command
byte to 0x08 to read from the DAC register. Bits
D15–D0 contain the straight binary data (see Table 6).
Write to the load DAC register to transfer the input reg-
ister data to the DAC register and update the DAC out-
Table 6. DAC Register (Read/Write)
Table 7. Clear Register (Read/Write)
Table 8. Full-Scale Output Trim Register (Write)
Table 5. Input Register (Read/Write)
DAC15–DAC0
CLR15–CLR0
BIT NAME
BIT NAME
BIT NAME
BIT NAME
FS_BIT9–
IN15–IN0
FS_EN +
FS_BIT0
Outputs for Industrial Analog Output Modules
Single 16-Bit DAC with Current and Voltage
______________________________________________________________________________________
DATA BIT
DATA BIT
DATA BIT
DATA BIT
D15–D0
D15–D0
D15–D0
D9–D0
Input Register (Read/Write)
DAC Register (Read/Write)
Load DAC Register (Write)
0000 0000 0000 0000
1000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000 0000 0000
1000 0000 0000 0000
(unipolar/current)
(unipolar/current)
(unipolar/current)
RESET STATE
RESET STATE
RESET STATE
RESET STATE
(bipolar)
(bipolar)
(bipolar)
DAC15 is the MSB and DAC0 is the LSB. Data format is straight
binary.
CLR15 is the MSB and CLR0 is the LSB. Data format is straight
binary.
FS_EN (D15) enables the full-scale output adjustment feature. D9
is the MSB and D0 is the LSB. D9 is straight binary, D8–D0 are
inverted binary.
IN15 is the MSB and IN0 is the LSB. Data format is straight binary.
put. Set the command byte to 0x05 to write to the load
DAC register. Bits D15–D0 are don’t-care bits.
Write to the clear register to set the DAC output value
when the CLR hardware input is pulled low (forcing the
MAX5661 into the clear state). Set the command byte to
0x06 to write to the clear register. Set the command
byte to 0x09 to read the clear register. Bits D15–D0
contain the straight binary data (see Table 7).
Set the command byte to 0x0F or 0x00 to perform a no-
operation command. After writing the command byte
and 2 data bytes (16 don’t-care bits), read out the shift
register’s contents on the following 24-bit cycle.
FUNCTION
FUNCTION
FUNCTION
FUNCTION
Clear Register (Read/Write)
No Operation
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