AD5290EVAL Analog Devices Inc, AD5290EVAL Datasheet
AD5290EVAL
Specifications of AD5290EVAL
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AD5290EVAL Summary of contents
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FEATURES 256 position 10 kΩ, 50 kΩ, 100 kΩ +4 +30 V single-supply operation ±4 ±15 V dual-supply operation 3-wire SPI®-compatible serial interface Low temperature coefficient 35 ppm/ THD 0.006% typical Midscale preset Compact MSOP-10 package ...
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AD5290 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics—10 kΩ Version................................ 3 Electrical Characteristics—50 kΩ, 100 kΩ Versions ............... 5 Interface Timing Characteristics................................................ ...
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SPECIFICATIONS ELECTRICAL CHARACTERISTICS—10 kΩ VERSION ±15 V ± 10 Table 1. Parameter DC CHARACTERISTICS RHEOSTAT MODE 2 Resistor Differential NL 2 Resistor Nonlinearity Nominal ...
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AD5290 Parameter DYNAMIC CHARACTERISTICS Bandwidth −3 dB Total Harmonic Distortion V Settling Time W Resistor Noise Voltage 1 Typical represents average reading at +25° Resistor position nonlinearity error R-INL is the deviation from an ...
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ELECTRICAL CHARACTERISTICS—50 KΩ, 100 KΩ VERSIONS ±15 V ± 10 Table 2. Parameter DC CHARACTERISTICS RHEOSTAT MODE 2 Resistor Differential NL 2 Resistor Nonlinearity Nominal Resistor Tolerance ...
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AD5290 Parameter DYNAMIC CHARACTERISTICS Bandwidth −3 dB Total Harmonic Distortion V Settling Time W Resistor Noise Voltage 1 Typical represents average reading at +25°C, VDD = +15 V, and VSS = − Resistor position ...
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INTERFACE TIMING CHARACTERISTICS Table Parameter Clock Frequency Input Clock Pulse Width Data Setup Time Data Hold Time 3 CLK to SDO Propagation Delay CS Setup Time CS High Pulse Width CLK Fall to CS Fall Hold ...
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AD5290 3-WIRE DIGITAL INTERFACE Data is loaded MSB first. Table 4. AD5290 Serial Data-Word Format MSB SDI CLK 0 ...
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ABSOLUTE MAXIMUM RATINGS T = +25°C, unless otherwise noted. A Table 5. Parameter V to GND GND GND Maximum Current I , ...
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AD5290 PIN CONFIGURATION AND DESCRIPTIONS Table 6. AD5290 Pin Function Descriptions Pin No. Mnemonic Description Terminal. V ≤ Terminal. V ≤ V ≤ Negative Supply. Connect ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1 16.5V DD 0.8 –40°C 0.6 +25°C +125°C 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1 128 CODE (Decimal) Figure 5. Resistance Step Position Nonlinearity Error vs. Code 1 ...
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AD5290 100 80 10k 50k 60 100k –20 –40 –60 –80 –100 128 CODE (Decimal) Figure 11. (ΔR /R )/ΔT Rheostat Mode Tempco WB WB 100 80 10k 60 50k 100k 40 20 ...
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V CODE = –40 = ± 15V DC ± 10% p-p AC +PSRR @ –20 = ± 15V DC ± 10% p-p AC –PSRR @ ...
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AD5290 1000 100 = ±16. DIGITAL INPUT VOLTAGE V Figure 23. Supply Current vs. Digital Input Voltage Figure 24. Digital Feedthrough (V) IH Rev Page 14 of ...
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THEORY OF OPERATION PROGRAMMING THE VARIABLE RESISTOR Rheostat Operation The part operates in the rheostat mode when only two termi- nals are used as a variable resistor. The unused terminal can be floating or tied to the W terminal as ...
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AD5290 PROGRAMMING THE POTENTIOMETER DIVIDER Voltage Output Operation The digital potentiometer easily generates a voltage divider at wiper to B and wiper to A proportional to the input voltage Unlike the polarity GND, ...
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ESD PROTECTION All digital inputs are protected with a series input resistor and a Zener ESD structure, as shown in Figure 30. These structures CS apply to digital input pins, Pin , Pin CLK, Pin SDI, and Pin SDO. 340Ω ...
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AD5290 APPLICATIONS HIGH VOLTAGE DAC AD5290 can be configured as a high voltage DAC, with out- put voltage as high The circuit is shown in Figure 33. The output × × ...
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1μF R1 100kΩ R2 200Ω R4 90kΩ R5 10kΩ AD8541 100kΩ V– Figure 35. Audio Volume Control with Zipper Noise Reduction 1 2 CHANNEL 1 FREQ = 20.25kHz 1.03V p-p Figure 36. ...
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... R (kΩ AD5290YRMZ10 10 AD5290YRMZ10- AD5290YRMZ50 50 1 AD5290YRMZ50- AD5290YRMZ100 100 1 AD5290YRMZ100-R7 100 AD5290EVAL Pb-free part. ©2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 3.10 3.00 2. 5.15 3.10 4.90 3.00 4.65 2. PIN 1 0.50 BSC ...