AD5755-1x AD [Analog Devices], AD5755-1x Datasheet - Page 31
AD5755-1x
Manufacturer Part Number
AD5755-1x
Description
Quad Channel, 16-Bit, Serial Input, 4-20mA & Voltage Output DAC, Dynamic Power Control, HART Connectivity
Manufacturer
AD [Analog Devices]
Datasheet
1.AD5755-1X.pdf
(34 pages)
- Current page: 31 of 34
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Preliminary Technical Data
Iout Slew Rate when using the DC-DC
When the AD5755-1 is configured in Iout mode & a step
increase in output current is programmed then the DCDC
converter must increase its output voltage so that Vboost ≈
Iout*Rload+2v. This requires that the output capacitor of the
Rev. PrD | Page 31 of 34
DCDC circuit must also be charge to the new voltage. The
amount of power required to do this is 0.5*C*(Vnew-Vold).
Figure 7. And Figure 8.show Iout settling for a 0 to 24mA step
into a 1kohm load for different caps & inductor/switching
frequency.
AD5755-1
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