AD5273BRJ50-R2 Analog Devices Inc, AD5273BRJ50-R2 Datasheet
AD5273BRJ50-R2
Specifications of AD5273BRJ50-R2
AD5273BRJ50-R2TR
Related parts for AD5273BRJ50-R2
AD5273BRJ50-R2 Summary of contents
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FEATURES 64 positions One-time programmable (OTP) 1 set-and-forget Resistance setting—low cost alternative over EEMEM Unlimited adjustments prior to OTP activation 1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ end-to-end terminal resistance Compact 8-lead SOT-23 standard package Ultralow power ...
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AD5273 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 4 Absolute Maximum Ratings ............................................................ 6 ESD Caution .................................................................................. 6 Pin Configuration and Function Descriptions ...
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A to Rev. B Changes to Features .......................................................................... 1 Changes to Applications ................................................................... 1 Changes to Specifications ................................................................. 2 Changes to Absolute Maximum Ratings ........................................ 4 Changes to Pin Function Descriptions ........................................... 5 Changes to TPC 7, TPC 8, ...
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AD5273 SPECIFICATIONS < −40°C < Table 1. Parameter DC CHARACTERISTICS—RHEOSTAT MODE Resolution 2 Resistor Differential Nonlinearity 10 kΩ, 50 kΩ, 100 ...
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Parameter 12 Power Dissipation Power Supply Sensitivity DYNAMIC CHARACTERISTICS 7, 13, 14 Bandwidth, −3 dB Total Harmonic Distortion Adjustment Settling Time Power-Up Settling Time— After Fuses Blown Resistor Noise Voltage 7, 14, 15 INTERFACE TIMING CHARACTERISTICS SCL Clock Frequency t ...
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AD5273 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2. Parameter V to GND GND Maximum Current Pulsed Continuous (R ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 W Wiper Terminal W. GND ≤ Positive Power Supply. Specified for non-OTP operation from 2 5.5 V. For OTP programming, ...
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AD5273 TYPICAL PERFORMANCE CHARACTERISTICS 0.5 0 0.1 –0 –0.3 –0 CODE (Decimal) Figure 3. R vs. Code vs. Supply Voltages INL 0.25 0.15 0.05 –0. ...
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SUPPLY VOLTAGE (V) Figure 9. INL vs. Supply Voltage 0.4 0.3 0.2 0.1 0 –0 SUPPLY VOLTAGE (V) Figure 10. R vs. Supply Voltage ...
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AD5273 500 400 300 1kΩ 200 10kΩ 100 0 50kΩ –100 100kΩ –200 –300 CODE (Decimal) Figure 15. Rheostat Mode Tempco (∆ 1kΩ 10kΩ –10 10kΩ 10kΩ –20 –30 –40 ...
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FREQUENCY (Hz) Figure 21. −3 dB Bandwidth – 25°C A CODE = 0x20 V = 2.5V, V ...
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AD5273 1kΩ 0.1 0. CODE (Decimal) Figure 27. I vs. Code WB_MAX SCL t 1 SDA OPEN 25° ...
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THEORY OF OPERATION The AD5273 is a one-time programmable (OTP), set-and-forget, 6-bit digital potentiometer. The AD5273 allows unlimited 6-bit adjustments prior to the OTP. OTP technology is a proven cost- effective alternative over EEMEM in one-time memory program- ming applications. ...
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AD5273 VARIABLE RESISTANCE AND VOLTAGE FOR RHEOSTAT MODE If only the W-to-B or W-to-A terminals are used as variable resistors, the unused terminal can be opened or shorted with W. This operation is called rheostat mode (see ...
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Unlike rheostat mode where the absolute tolerance is high, potentiometer mode yields an almost ratiometric function of D/63 with a relatively small error contributed by the R Therefore, the tolerance effect is almost cancelled. Although the step resistor ...
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AD5273 CONTROLLING THE AD5273 To control the AD5273, users can program the device with either computer software or with external I SOFTWARE PROGRAMMING Because of the OTP feature, users can program the AD5273 in the factory before shipping it to ...
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I C CONTROLLER PROGRAMMING Write Bit Patterns 0 SCL SDA START BY FRAME 1 SLAVE ADDRESS BYTE MASTER 0 SCL SDA START BY FRAME 1 MASTER SLAVE ...
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AD5273 4. When all data bits have been read or written, a stop con- dition is established by the master. A stop condition is defined as a low-to-high transition on the SDA line while SCL is high. In write mode, ...
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APPLICATIONS INFORMATION DAC It is common to buffer the output of the digital potentiometer as a DAC. The buffer minimizes the load dependence and delivers higher current to the load, if needed AD5273 ...
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AD5273 Depending on the op amp GBP, reducing the feedback resistor may extend the zero’s frequency far enough to overcome the problem. A better approach is to include a compensation capacitor, C2, to cancel the effect caused by C1. Optimum ...
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EVALUATION BOARD 10mF 10kΩ 10kΩ GND 4 8 0.1µF SCL 7 SCL 6 AD5170 5 SDA REF V REF A JP1 JP7 ...
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AD5273 OUTLINE DIMENSIONS 1.70 1.60 1.50 PIN 1 INDICATOR 1.30 1.15 0.90 0.15 MAX 0.05 MIN ORDERING GUIDE 1, 2 Model R (kΩ) Temperature Range AB AD5273BRJZ1-R2 1 −40°C to +105°C AD5273BRJZ1-REEL7 1 −40°C to +105°C AD5273BRJZ10-R2 10 −40°C to ...
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NOTES Rev Page AD5273 ...
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AD5273 NOTES refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors). ©2002–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D03224-0-10/10(H) Rev ...