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AD5445 Arkusz danych(PDF) 8 Page - Analog Devices |
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AD5445 Arkusz danych(HTML) 8 Page - Analog Devices |
8 / 29 page Data Sheet AD5424/AD5433/AD5445 Rev. D | Page 7 of 28 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 1 2 3 4 5 6 7 8 16 9 10 11 12 13 14 15 AD5424 (Not to Scale) IOUT1 IOUT2 GND DB7 DB6 DB5 DB4 DB3 RFB VREF VDD R/W CS DB0 (LSB) DB1 DB2 Figure 3. AD5424 Pin Configuration (TSSOP) 14 13 12 1 3 4 CS 15 R/W NC NC 11 NC GND DB6 2 DB7 DB5 5 DB4 NOTES 1. NC = NO CONNECT. 2. THE EXPOSED PAD MUST BE CONNECTED TO AGND. AD5424 TOP VIEW (Not to Scale) Figure 4. AD5424 Pin Configuration (LFCSP) Table 4. AD5424 Pin Function Descriptions Pin No. TSSOP LFCSP Mnemonic Description 1 19 IOUT1 DAC Current Output. 2 20 IOUT2 DAC Analog Ground. This pin should normally be tied to the analog ground of the system. 3 1 GND Ground. 4 to 11 2 to 9 DB7 to DB0 Parallel Data Bits 7 to 0. 10 to 13 NC No Internal Connection. 12 14 CS Chip Select Input. Active low. Used in conjunction with R/W to load parallel data to the input latch or to read data from the DAC register. Rising edge of CS loads data. 13 15 R/W Read/Write. When low, use in conjunction with CS to load parallel data. When high, use with CS to read back contents of DAC register. 14 16 VDD Positive Power Supply Input. These parts can be operated from a supply of 2.5 V to 5.5 V. 15 17 VREF DAC Reference Voltage Input Terminal. 16 18 RFB DAC Feedback Resistor Pin. Establish voltage output for the DAC by connecting to external amplifier output. Not applicable EPAD Exposed Pad. The exposed pad must be connected to AGND. |
Podobny numer części - AD5445_15 |
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Podobny opis - AD5445_15 |
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