전자부품 데이터시트 검색엔진 |
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AD7520 데이터시트(PDF) 3 Page - Intersil Corporation |
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AD7520 데이터시트(HTML) 3 Page - Intersil Corporation |
3 / 10 page 3 Functional Diagram POWER SUPPLY CHARACTERISTICS Power Supply Rejection V+ = 14.5V to 15.5V (Note 3) (Figure 3) - ±0.005 - - ±0.005 - % FSR/% ∆V+ Power Supply Voltage Range +5 to +15 +5 to +15 V I+ All Digital Inputs at 0V or V+ Excluding Ladder Network - ±1- - ±1- µA All Digital Inputs High or Low Excluding Ladder Network -- 2 - - 2 mA Total Power Dissipation Including the Ladder Network - 20 - - 20 - mW NOTES: 2. Full Scale Range (FSR) is 10V for Unipolar and ±10V for Bipolar modes. 3. Using internal feedback resistor RFEEDBACK. 4. Guaranteed by design, or characterization and not production tested. 5. Accuracy not guaranteed unless outputs at GND potential. 6. Accuracy is tested and guaranteed at V+ = 15V only. Electrical Specifications V+ = +15V, VREF = +10V, TA = 25oC Unless Otherwise Specified (Continued) PARAMETER TEST CONDITIONS AD7520 AD7521 UNITS MIN TYP MAX MIN TYP MAX Pin Descriptions AD7520 AD7521 PIN NAME DESCRIPTION 11 IOUT1 Current Out summing junction of the R2R ladder network. 22 IOUT2 Current Out virtual ground, return path for the R2R ladder network. 3 3 GND Digital Ground. Ground potential for digital side of D/A. 4 4 Bits 1(MSB) Most Significant Digital Data Bit. 5 5 Bit 2 Digital Bit 2. 6 6 Bit 3 Digital Bit 3. 7 7 Bit 4 Digital Bit 4. 8 8 Bit 5 Digital Bit 5. 9 9 Bit 6 Digital Bit 6. 10 10 Bit 7 Digital Bit 7. 11 11 Bit 8 Digital Bit 8. 12 12 Bit 9 Digital Bit 9. 13 13 Bit 10 Digital Bit 10 (AD7521). Least Significant Digital Data Bit (AD7520). - 14 Bit 11 Digital Bit 11 (AD7521). - 15 Bit 12 Least Significant Digital Data Bit (AD7521). 14 16 V+ Power Supply +5V to +15V. 15 17 VREF Voltage Reference Input to set the output range. Supplies the R2R resistor ladder. 16 18 RFEEDBACK Feedback resistor used for the current to voltage conversion when using an external Op Amp. 20k Ω GND IOUT2 IOUT1 RFEEDBACK BIT 3 BIT 2 MSB VREF 20k Ω 20k Ω 20k Ω 20k Ω 20k Ω 10k Ω 10k Ω 10k Ω 10k Ω SPDT NMOS SWITCHES 10k Ω NOTES: Switches shown for Digital Inputs “High”. Resistor values are typical. AD7520, AD7521 |
유사한 부품 번호 - AD7520 |
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유사한 설명 - AD7520 |
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