JAJSUV8 June 2024 DAC80516
ADVANCE INFORMATION
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An op amp with low offset and low drift (to minimize error) and sufficient gain bandwidth product (GBW) is recommended. R1 and R2 must have sufficient tolerance so that the desired output voltage (VOUTPUT) accurately follows the DAC output voltage. Compensation capacitor C1 must be larger than the input capacitance of the op-amp inputs. Choose a transistor that can provide the required load current and has a high HFE, so that the base current is sufficiently smaller than the output current limit of the op amp. A bipolar-junction transistor (BJT) Darlington pair or a high-power metal-oxide semiconductor field-effect transistor (MOSFET) can be used.
PARAMETER | VALUE |
---|---|
DAC output | 0V to 2.5V |
AVDD | 5V |
VSS | –5V |
VCC | 24V |
VREF | 2.5V |
VOUTPUT | 0V to 5V |
Current output | 0A to 10A |