AD5170BRM100 Analog Devices Inc, AD5170BRM100 Datasheet
AD5170BRM100
Specifications of AD5170BRM100
Related parts for AD5170BRM100
AD5170BRM100 Summary of contents
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FEATURES 256-position digital potentiometer Two-time programmable (TTP) set-and-forget resistance setting allows second-chance permanent programming Unlimited adjustments prior to one-time programming (OTP) activation OTP overwrite allows dynamic adjustments with user- defined preset End-to-end resistance: 2.5 kΩ, 10 kΩ, 50 kΩ, 100 ...
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AD5170 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Characteristics: 2.5 kΩ ............................................... 3 Electrical Characteristics: 10 kΩ, 50 kΩ, and 100 ...
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SPECIFICATIONS ELECTRICAL CHARACTERISTICS: 2.5 kΩ ± 10 ± 10 Table 1. Parameter DC CHARACTERISTICS—RHEOSTAT MODE 2 Resistor Differential Nonlinearity 2 Resistor Integral Nonlinearity 3 Nominal Resistor Tolerance ...
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AD5170 Parameter 13 DYNAMIC CHARACTERISTICS –3 dB Bandwidth Total Harmonic Distortion V Settling Time W Resistor Noise Voltage Density 1 Typical specifications represent average readings at 25°C and V 2 Resistor position nonlinearity error, R-INL, is the deviation from an ...
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Parameter POWER SUPPLIES Power Supply Range 8, 9 OTP Supply Voltage Supply Current OTP Supply Current 8, 10 Power Dissipation Power Supply Sensitivity 13 DYNAMIC CHARACTERISTICS –3 dB Bandwidth Total Harmonic Distortion V Settling Time (10 kΩ/50 kΩ/100 ...
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AD5170 TIMING CHARACTERISTICS: 2.5 kΩ, 10 kΩ, 50 kΩ, AND 100 kΩ ± 10 ± 10 Table 3. Parameter INTERFACE TIMING CHARACTERISTICS APPLY TO ...
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ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 4. Parameter V to GND GND Terminal Current Pulsed ...
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AD5170 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic Description Terminal. GND ≤ Terminal. GND ≤ AD0 Programmable Address Bit 0 for Multiple Package Decoding. 4 ...
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TYPICAL PERFORMANCE CHARACTERISTICS 2.0 1.5 1 2. –0.5 –1.0 –1.5 –2 128 160 CODE (DECIMAL) Figure 4. R-INL vs. Code vs. Supply Voltages 0.5 0.4 0.3 0 ...
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AD5170 1 –40°C, +25°C, +85°C, +125°C A 0.5 0 –0 5.5V DD –1 –40°C, +25°C, +85°C, +125°C A –1.5 –2 128 160 CODE (DECIMAL) Figure ...
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–40°C TO +85°C, –40°C TO +125° – 5. –40°C TO +85°C, –40°C TO +125°C A –20 – 128 ...
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AD5170 5. 2.7V DD 0.01 0 0.5 1.0 1.5 2.0 2.5 3.0 DIGITAL INPUT VOLTAGE (V) Figure 22 Supply Current vs. Digital Input Voltage SCL Figure 23. ...
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TEST CIRCUITS Figure 27 to Figure 32 illustrate the test circuits that define the test conditions used in the product specification tables DUT 1LSB = V+/ Figure 27. Test Circuit for Potentiometer ...
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AD5170 THEORY OF OPERATION SCL SDA The AD5170 is a 256-position, digitally controlled, variable resistor (VR) that employs fuse link technology to achieve memory retention of the resistance setting. An internal power-on preset places the wiper at midscale during power-on. ...
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SD BIT RDAC R S LATCH AND DECODER Figure 35. Equivalent RDAC Circuit The general equation that determines the digitally programmed output resistance between Terminal W ...
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AD5170 ESD PROTECTION All digital inputs, SDA, SCL, AD0, and AD1, are protected with a series input resistor and parallel Zener ESD structures, as shown in Figure 37 and Figure 38. 340Ω LOGIC GND Figure 37. ESD Protection of Digital ...
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LAYOUT CONSIDERATIONS It is good practice to employ compact, minimum lead length, layout design. The leads to the inputs should be as direct as possible, with a minimum conductor length. Ground paths should have low resistance and low inductance. Note ...
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AD5170 CONTROLLING THE AD5170 There are two ways of controlling the AD5170. Users can program the device with either computer software or external I SOFTWARE PROGRAMMING Due to the advantages of the one-time programmable feature, consider programming the device in ...
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Table 9. Write Mode AD1 AD0 Slave Address Byte Table 10. Read Mode AD1 AD0 R Slave Address Byte Table 11. SDA Bit Definitions and Descriptions Bit ...
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AD5170 CONTROLLER PROGRAMMING Write Bit Patterns 1 SCL AD1 AD0 SDA START BY FRAME 1 MASTER SLAVE ADDRESS BYTE Read Bit Pattern 1 SCL AD1 AD0 SDA ...
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After all the data bits are 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 master ...
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... AD5170BRM2.5-RL7 2.5 1 AD5170BRMZ2.5 2.5 AD5170BRM10 10 AD5170BRM10-RL7 10 1 AD5170BRMZ10 10 1 AD5170BRMZ10-RL7 10 AD5170BRM50 50 AD5170BRM50-RL7 50 1 AD5170BRMZ50 50 AD5170BRM100 100 AD5170BRM100-RL7 100 AD5170BRMZ100 1 100 2 AD5170EVAL RoHS Compliant Part. 2 The evaluation board is shipped with the 10 kΩ R 3.10 3.00 2. 5.15 3.10 4.90 3.00 4.65 2. PIN 1 ...
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NOTES Rev Page AD5170 ...
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AD5170 NOTES Purchase of licensed components of Analog Devices or one of its sublicensed Associated Companies conveys a license for the purchaser under the Philips I 2 Rights to use these components system, ...