Specifications
17PLCs: Featured Products
16-Bit DAC with Integrated Voltage and
Current Output Conditioner Reduces Board
Area and Eliminates External Components
MAX5661
The MAX5661 controls output voltage, output current, and output
gain adjustments. This device reduces any challenges that designers
face when laying out their analog and mixed-signal boards.
Benefits
• Simplifies board design
◦ Software-selectable voltage output
or current output
• Eliminates external components
◦ Integrated output buffer
◦ No additional discrete components
required for switching between
output modes
• Improves system reliability
◦ Supports analog power supplies up
to 37.5V
TO OUTPUT
CIRCUITRY
FULL-SCALE
OUTPUT ADJUST
OUTI
OUTV
MAX5661
SCLK
DIN
DAC
REGISTER
CONTROL
REGISTER
SHIFT
REGISTER
INPUT
REGISTER
FULL-SCALE
ADJUST
REGISTER
CLEAR
REGISTER
LDAC
DOUT
SOFTWARE
LOAD DAC
2-TO-1
MUX
CS
DAC
A simplified block diagram of the MAX5661.