EVAL-AD5263EBZ Analog Devices Inc, EVAL-AD5263EBZ Datasheet
EVAL-AD5263EBZ
Specifications of EVAL-AD5263EBZ
Related parts for EVAL-AD5263EBZ
EVAL-AD5263EBZ Summary of contents
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FEATURES 256-position, 4-channel End-to-end resistance 20 kΩ, 50 kΩ, 200 kΩ 2 Pin-selectable SPI® C®-compatible interface Power-on preset to midscale Two package address decode pins AD0 and AD1 Rheostat mode temperature coefficient 30 ppm/°C Voltage divider temperature coefficient ...
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AD5263 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Electrical Characteristics—20 kΩ, 50 kΩ, 200 kΩ Versions ....... 3 Timing Characteristics—20 kΩ, 50 kΩ, 200 kΩ ...
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ELECTRICAL CHARACTERISTICS—20 kΩ, 50 kΩ, 200 kΩ VERSIONS – Table 1. Parameter DC CHARACTERISTICS—RHEOSTAT MODE 2 Resistor Differential NL 2 Resistor Nonlinearity ...
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AD5263 Parameter POWER SUPPLIES 8 Logic Supply Power Single-Supply Range Power Dual-Supply Range Logic Supply Current 9 Positive Supply Current Negative Supply Current 10 Power Dissipation Power Supply Sensitivity 6, 11 DYNAMIC CHARACTERISTICS Bandwidth (3 dB) Total Harmonic Distortion 12 ...
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TIMING CHARACTERISTICS—20 kΩ, 50 kΩ, 200 kΩ VERSIONS = + – Table 2. Parameter SPI INTERFACE TIMING CHARACTERISTICS Clock Frequency Input Clock Pulse Width ...
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AD5263 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter V to GND GND GND GND A B ...
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PIN CONFIGURATION AND PIN FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin Name Description 1 B1 Resistor Terminal B1 Resistor Terminal A1 (ADDR = 00 Wiper Terminal W1 Resistor Terminal B3 Resistor ...
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AD5263 TYPICAL PERFORMANCE CHARACTERISTICS kΩ, unless otherwise noted. AB 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1 128 160 CODE (Decimal) Figure 3. R-DNL vs. Code vs. Supply Voltage 1.0 ...
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CODE (Decimal) Figure 9. INL vs. Code ± 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 ...
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AD5263 +15/ – TEMPERATURE (°C) Figure 15. I vs. Temperature LOGIC ...
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T – –60 1k 10k FREQUENCY (Hz) Figure 21. Gain vs. Frequency vs. Code –6 –12 –18 R ...
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AD5263 1.0 0.5 0 –0.5 –1 – (– Figure 27. INL vs. Supply Voltage 2 20kΩ 25°C A 1.5 1.0 Avg – 3σ Avg 0.5 Avg – ...
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TEST CIRCUITS Figure 29 to Figure 39 define the test conditions used in the product specification table DUT DD 1LSB = V+/ Figure 29. Test Circuit for Potentiometer Divider Nonlinearity Error (INL, DNL) ...
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AD5263 DUT GND Figure 37. Test Circuit for Common-Mode Leakage Current I LOGIC V LOGIC SCL SCA Figure 38. Test Circuit for V Current vs. Digital Input ...
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SPI-COMPATIBLE DIGITAL INTERFACE (DIS = 0) SERIAL DATA-WORD FORMAT MSB Addr Data SDI CLK CS V OUT 1 SDI Dx (DATA IN CLK 0 t CSHO t CSS ...
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AD5263 2 I C-COMPATIBLE DIGITAL INTERFACE (DIS = 1) The word format maps in this section use the following abbreviations. Abbreviation Description S Start condition. P Stop condition. A Acknowledge. 2 AD1, AD0 I C device address bits. Must match ...
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OPERATION The AD5263 is a quad-channel, 256-position, digitally controlled, variable resistor (VR) device. To program the VR settings, refer to the SPI-Compatible Digital 2 Interface (DIS = 0) section and the I C-Compatible Digital Interface (DIS = 1) section. The ...
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... AB to avoid clocking incorrect data into the serial input register. Standard logic families work well. If mechanical switches are used for product evaluation, they should be debounced by a with temperature has a flip-flop or other suitable means. When CS is low, the clock loads data into the serial register on each positive clock edge ...
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The first 10 bits, complying with the format shown in the Serial Data-Word Format section and bit map and the second 10 bits, with the same format U1. CS should be ...
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AD5263 4. After all data bits have been read or written, a STOP condition 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, the ...
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However, the digital inputs must also be level shifted to allow proper operation because the ground is referenced to the negative potential result, Figure 51 shows one implement- tation with a couple of transistors and a few resistors. ...
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AD5263 RDAC CIRCUIT SIMULATION MODEL The internal parasitic capacitances and the external capacitive loads dominate the ac characteristics of the RDACs. Configured as a potentiometer divider, the –3 dB bandwidth of the AD5263 (20 kΩ resistor) measures 300 kHz at ...
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APPLICATIONS BIPOLAR OPERATION FROM DUAL SUPPLIES The AD5263 can be operated from dual supplies, enabling control of ground referenced ac signals or bipolar operation. The ac signal, as high can be applied directly ...
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AD5263 8-BIT BIPOLAR DAC Figure 60 shows a low cost, 8-bit, bipolar DAC. It offers the same number of adjustable steps, but not the precision as compared to conventional DACs. The linearity and temperature coefficient, especially at low values codes, ...
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PROGRAMMABLE CURRENT SOURCE A programmable 4–20 mA current source can be implemented with the circuit shown in Figure 63. The REF191 is a unique low supply headroom and high current handling precision reference that can deliver ...
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AD5263 PROGRAMMABLE LOW-PASS FILTER In analog-to-digital conversion applications common to include an antialiasing filter to band-limit the sampling signal. Dual-channel digital potentiometers can be used to construct a second-order Sallen-Key low-pass filter (see Figure 65). The design equations ...
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RESISTANCE SCALING The AD5263 offers 20 kΩ, 50 kΩ, and 200 kΩ nominal resistances. Users who need a lower resistance and the same number of step adjustments can place multiple devices in parallel. For example, Figure 67 shows a simple ...
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... Package branding: Line 1 contains the model number, Line 2 contains the end-to-end resistance, and Line 3 contains the date code YYWW RoHS Compliant Part. 4 The evaluation board is shipped with the 20 kΩ Purchase of licensed I C components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I ...