BU2505FV-E2【PDF 13/13 页】IC DAC 10BIT 10-CHAN SSOP-B20

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Sheet目录1990

9页 10页 11页 12页 [13页]

BU2506FV,BU2505FV

Technical Note

9/10

www.rohm.com

2011.04 - Rev.B

●

Operation Notes

(1) The electrical characteristic and data on graphs for this datasheet, are typically evaluated value, and not guaranteed.

(2) We suppose that application circuits are recommendable, but please make sufficient check for characteristics with the

actual application. In case that value of external component for this LSI is changed, please check characteristic, not only

static but also transient.

(3) About absolute maximum ratings

If operation condition is over the absolute maximum ratings, supply voltage or other operation range, LSI will be broken.

Please don't apply any voltage or temperature over the absolute maximum ratings. If application have possibilities of

become over the absolute maximum ratings, please take safety measures by using fuse and so on. Not to over absolute

maximum ratings of LSI.

(4) GND voltage

Please keep GND voltage lowest of any other terminal of this LSI. Please confirm that other terminal voltages are not

lower than GND.

(5) Thermal design

Please making a thermal design that allows for a sufficient margin in light of the power dissipation in actual operating

condition.

(6) About terminals short and wrong mounting

Please pay full attention to the LSI direction and displacement when mounting LSI on PCB. If you assemble them by

mistake and electrify it, LSI might be destroyed. And it is happen to short among LSI terminals or terminals and power

supply, by foreign substance.

(7) About operation in strong electromagnetic field

If you use it in strong electromagnetic field, please evaluate fully as there is a possibility of malfunction.

(8) Place a bypass capacitor as close as possible between each power supply terminal and ground in order to prevent

deterioration of the D/A conversion accuracy due to ripple and noise signals from power supply or GND.

(9) A capacitor should be placed between the analog output and ground in order to eliminate noise.

A capacitance up to 100pF is recommended (including the capacitance of the wire).

(10) This IC is selectable to decode the 10bit DI data pattern using either LSB first or MSB first, depending on the conditions

of the REVERSE terminal. Therefore the reverse terminal should be open or VDD voltage (LSB first) or GND voltage

(MSB first)

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