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DAC AD1862: Almost THT, I2S input, NOS, R-2R
DAC AD1862: Almost THT, I2S input, NOS, R-2R
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Old Yesterday, 12:04 PM   #1391
miro1360 is offline miro1360  Europe
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Join Date: Mar 2010
Expect this as "safe minimum" with LM6171 in the I/V:
+-40mA for digital (+-5V)
+-60mA for analog (+-12V)
The real consumption will be less (perhaps half of that).

Schematic examples in datasheet are for both "high performance" and "high resolution" on +-5V digital supply. I would say, the larger the voltage difference between analog and digital (analog > digital), the less the possibility of digital interference - but that's a humble theory unless we see the internal diagram of the AD1862
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Old Yesterday, 02:21 PM   #1392
jimk04 is online now jimk04  United Kingdom
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Good information thankyou
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Old Yesterday, 02:50 PM   #1393
Vunce is offline Vunce  United States
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DAC AD1862: Almost THT, I2S input, NOS, R-2R
Even with Burson discrete opamps installed I measured less than +/-60mA current draw on the 12v supply.
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Old Yesterday, 05:04 PM   #1394
miro1360 is offline miro1360  Europe
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Is not that perfect The low current consumption minimizes the demand on heatsinks in shunt regulators.
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