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AD5380EB データシート(PDF) 11 Page - Analog Devices |
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AD5380EB データシート(HTML) 11 Page - Analog Devices |
11 / 34 page PRELIMINARY TECHNICAL DATA REV. PrF 09/2003 AD5380 –11– AD5380 (40-CHANNEL, 14-BIT) PIN CONFIGURATIONS AD5380 PIN FUNCTION DESCRIPTIONS Mnemonic Function VOUTX Buffered analog outputs for channel X. Each analog output is driven by a rail to rail output amplifier operating at a gain of 2. Each output is capable of driving an output load of 5k to ground. Typical output impedance is 0.5 ohms. SIGNAL_GND(1-5) Analog ground reference points for each group of 8 output channels. All signal_gnd pins are tied together internally and should be connected to AGND plane as close as possible to the AD5380. DAC-GND (1-5) Each group of 8 channels contains a DAC_GND pin. This is the ground reference point for the internal 14-bit DACs.These pins shound be connected to the AGND plane. AGND (1-5) Analog Ground reference point. Each group of 8 channels contains an AGND pin. All AGND pins should be connected externally to the AGND plane. AVDD (1-5) Analog Supply pins. Each group of 8 channels has a separate AVDD pin. These pins should be decoupled with 0.1uF ceramic capacitors and 10uF tantalum capacitors. Operating range for the ASD5380-5 is 4.5V to 5.5V and for the AD5380-3 is 2.7V to 3.6V DGND Ground for all digital circuitry. DVDD Logic Power Supply; Guaranteed operating range is 2.7 V to 5.5 V. Recommended that these pins be decoupled with 0.1uF ceramic and 10uF tantalum capacitors to DGND. REF-GND Ground Reference point for the internal reference. REFOUT/REFIN The AD5380 contains a common REFOUT/REF IN pin. When the internal reference is selected this pin is the reference output. If the application necessitates the use of an external reference, it can be applied to this pin and the internal reference disabled vis the control register. The default for this pin is a reference input. 5 4 3 2 7 6 9 8 1 11 10 16 15 14 13 18 17 20 19 22 21 12 24 23 25 FIFO EN CLR VOUT 24 VOUT 25 VOUT 26 VOUT 27 SIGNAL_GND4 DAC_GND4 AGND4 AVDD4 VOUT 28 VOUT 29 VOUT 30 VOUT 31 REF GND REFOUT/REFIN SIGNAL_GND1 DAC_GND1 AVDD1 VOUT 0 VOUT 1 VOUT 2 VOUT 3 VOUT 4 AGND1 74 75 72 73 70 71 65 66 67 68 63 64 61 62 59 60 69 57 58 55 56 53 54 51 52 RESET DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 REG0 REG1 VOUT 23 VOUT 22 VOUT 21 VOUT 20 AVDD3 AGND3 DAC_GND3 SIGNAL_GND3 VOUT 19 VOUT 18 VOUT 17 VOUT 16 AVDD2 AGND2 PIN 1 IDENTIFIER TOP VIEW (Not to Scale) AD5380 |
同様の部品番号 - AD5380EB |
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同様の説明 - AD5380EB |
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