Datenblatt-Suchmaschine für elektronische Bauteile |
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AD7225BRS-REEL Datenblatt(PDF) 6 Page - Analog Devices |
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AD7225BRS-REEL Datenblatt(HTML) 6 Page - Analog Devices |
6 / 24 page AD7225 Rev. C | Page 6 of 24 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VOUTB 1 VOUTA 2 VSS 3 VREFB 4 VOUTC 24 VOUTD 23 VDD 22 VREFC 21 VREFA 5 VREFD 20 AGND 6 A0 19 DGND 7 A1 18 LDAC 8 WR 17 DB7 9 DB0 16 DB6 10 DB1 15 DB5 11 DB2 14 DB4 12 DB3 13 AD7225 TOP VIEW (Not to Scale) 1 28 27 26 2 3 4 5 6 7 8 9 10 11 25 24 23 22 21 20 19 NC = NO CONNECT VREFB VREFA AGND NC DGND LDAC DB7 VREFC VREFD A0 NC A1 WR DB0 PIN 1 INDENTFIER 12 13 14 15 16 17 18 AD7225 TOP VIEW (Not to Scale) Figure 2. PDIP, SOIC, CERDIP, and SSOP Figure 3. PLCC Table 4. Pin Function Descriptions Pin No. Mnemonic Description PDIP, SOIC, CERDIP, SSOP PLCC 1 2 VOUTB DAC Channel B Voltage Output. 2 3 VOUTA DAC Channel A Voltage Output. 3 4 VSS Negative Power Supply Connection. 4 5 VREFB Reference Voltage Connection for DAC Channel B. 5 6 VREFA Reference Voltage Connection for DAC Channel A. 6 7 AGND Analog Ground Reference Connection. 7 9 DGND Digital Ground Reference Connection. 8 10 LDAC Active Low Load DAC Signal. DAC register data is latched on the rising edge of LDAC. 9 11 DB7 Data Bit 7 (Most Significant Data Bit). 10 12 DB6 Data Bit 6. 11 13 DB5 Data Bit 5. 12 14 DB4 Data Bit 4. 13 16 DB3 Data Bit 3. 14 17 DB2 Data Bit 2. 15 18 DB1 Data Bit 1. 16 19 DB0 Data Bit 0 (Least Significant Data Bit). 17 20 WR Active Low Data Write Signal. Input register data is latched on the rising edge of WR. 18 21 A1 DAC Address Select Pin. 19 23 A0 DAC Address Select Pin. 20 24 VREFD Reference Voltage Connection for DAC Channel D. 21 25 VREFC Reference Voltage Connection for DAC Channel C. 22 26 VDD Positive Power Supply Connection. 23 27 VOUTD DAC Channel D Voltage Output. 24 28 VOUTC DAC Channel C Voltage Output. N/A 1, 8, 15, 22 NC No Internal Connection. |
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Ähnliche Beschreibung - AD7225BRS-REEL |
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