MCP4018 MICROCHIP [Microchip Technology], MCP4018 Datasheet
MCP4018
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MCP4018 Summary of contents
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... MCP4018 I C 128 Potentiometer 2 MCP4019 I C 128 Rheostat Note 1: Analog characteristics only tested from 2.7V to 5.5V © 2009 Microchip Technology Inc. MCP4017/18/19 SC70 Package Types Potentiometer MCP4018 SC70 SCL 3 4 • Wide Bandwidth (-3 dB) Operation MHz (typical) for 5.0 kΩ device • ...
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... SPI 257 Rheostat 2 MCP4532 I C 129 Rheostat 2 MCP4542 I C 129 Rheostat 2 MCP4552 I C 257 Rheostat 2 MCP4562 I C 257 Rheostat 2 MCP4018 I C 128 Potentiometer MCP4013 U/D 64 Potentiometer MCP4023 U/D 64 Potentiometer 2 MCP4019 I C 128 Rheostat MCP4014 U/D 64 Rheostat MCP4024 U/D 64 Rheostat Note 1: This table is broken into three groups by a thick line (and color coding). The unshaded devices in this table are the devices described in this data sheet, while the shaded devices offer a comparable resistor network configuration ...
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ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Voltage on V with respect to V ..... -0.6V to +7. Voltage on SCL, and SDA with respect to V ............................................................................. Voltage on all other pins (A, W, and B) with ...
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... Note 1: Resistance is defined as the resistance between terminal A to terminal B. 2: INL and DNL are measured MCP4018 device only, includes V 4: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. 5: This specification by design. 6: Non-linearity is affected by wiper resistance (R temperature ...
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... Note 5 Note 1: Resistance is defined as the resistance between terminal A to terminal B. 2: INL and DNL are measured MCP4018 device only, includes V 4: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. 5: This specification by design. 6: Non-linearity is affected by wiper resistance (R temperature ...
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... LSb 50 kΩ 100 kΩ 2.7V ≤ V — +0.1 +0.5 LSb 2.7V ≤ V ±0.25 +0.5 LSb MCP4018 device only (Note 2) 2.7V ≤ V ±0.125 +0.25 LSb MCP4018 device only (Note 2) — 2 — MHz 5 kΩ — 1 — MHz 10 kΩ — 260 — kHz 50 kΩ — 100 — ...
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... B BW Note 1: Resistance is defined as the resistance between terminal A to terminal B. 2: INL and DNL are measured MCP4018 device only, includes V 4: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. 5: This specification by design. 6: Non-linearity is affected by wiper resistance (R temperature ...
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... Note 1: Resistance is defined as the resistance between terminal A to terminal B. 2: INL and DNL are measured MCP4018 device only, includes V 4: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. 5: This specification by design. 6: Non-linearity is affected by wiper resistance (R temperature ...
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I C Mode Timing Waveforms and Requirements SCL 91 90 SDA START Condition 2 FIGURE 1- Bus Start/Stop Bits Timing Waveforms. 2 TABLE 1- BUS START/STOP BITS REQUIREMENTS Characteristics Param. ...
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... T max.+tsu;DAT = 1000 + 250 = 1250 ns (according to the standard-mode I R the SCL line is released. 3: The MCP4018/MCP4019 device must provide a data hold time to bridge the undefined part between V and V of the falling edge of the SCL signal. This specification is not a part of the tested in order to guarantee that the output data will meet the setup and hold specifications for the receiv- ing device ...
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TEMPERATURE CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, V Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 5L-SC70 (Note 1) Thermal Resistance, 6L-SC70 Note 1: Package Power Dissipation (PDIS) is calculated as ...
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MCP4017/18/19 NOTES: DS22147A-page 12 © 2009 Microchip Technology Inc. ...
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TYPICAL PERFORMANCE CURVES Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 85°C DNL 125°C 80 ...
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Note: Unless otherwise indicated +25° 0.0 -0.2 -0.4 -0.6 -0.8 5.5V -1.0 -1.2 2.7 -1.4 1.8V -1.6 -1.8 - Ambient Temperature (°C) Ω FIGURE 2-9: 5 Full Scale Error (FSE) vs. Temperature ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° Ω FIGURE 2-15: 5 Write Wiper (40h 3Fh) Settling Time (V =5.5V). DD Ω FIGURE 2-16: 5 Write Wiper (40h → 3Fh) Settling Time (V =2.7V). ...
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Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 125°C 85° DNL ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 2.7 -0.7 -0.8 1.8V -0.9 -1.0 - Ambient Temperature (°C) Ω FIGURE 2-27 Full Scale Error (FSE) vs. ...
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Note: Unless otherwise indicated +25° Ω FIGURE 2-33 Write Wiper (40h 3Fh) Settling Time (V =5.5V). DD Ω FIGURE 2-34 Write Wiper (40h 3Fh) Settling Time (V =2.7V). DD Ω ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 85°C 125° ...
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Note: Unless otherwise indicated +25° 0.00 -0.04 -0.08 2.7 -0.12 1.8V -0.16 - Ambient Temperature (°C) Ω FIGURE 2-45 Full Scale Error (FSE) vs. Temperature (V = 5.5V, 2.7V, 1.8V). DD ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° Ω FIGURE 2-51 Write Wiper (40h 3Fh) Settling Time (V =5.5V). DD Ω FIGURE 2-52 Write Wiper (40h 3Fh) Settling Time (V =2.7V). DD ...
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Note: Unless otherwise indicated +25° 120 -40C Rw 25C Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 100 125°C DNL 85° ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° 0.00 -0.02 5.5V -0.04 2.7 -0.06 1.8V -0.08 - Ambient Temperature (°C) Ω FIGURE 2-63: 100 k : Full Scale Error (FSE) vs. Temperature (V = 5.5V, 2.7V, ...
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Note: Unless otherwise indicated +25° Ω FIGURE 2-69: 100 k : Write Wiper (40h → 3Fh) Settling Time (V = 5.5V). DD Ω FIGURE 2-70: 100 k : Write Wiper (40h → 3Fh) Settling Time (V ...
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MCP4017/18/19 Note: Unless otherwise indicated +25° 3.5 5.5V 3 2.5 2.7V 2 1.5 1 0 Temperature (°C) FIGURE 2-75: V (SCL, SDA) vs Temperature. 2 5.5V 1.5 2.7V ...
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Note: Unless otherwise indicated +25° Code = 7Fh 0 Code = 3Fh -10 -20 Code = 0Fh Code = 1Fh -30 Code = 01h -40 -50 100 1,000 Frequency (kHz) Ω FIGURE 2-79 ...
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MCP4017/18/19 NOTES: DS22147A-page 28 © 2009 Microchip Technology Inc. ...
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... PIN DESCRIPTIONS The descriptions of the pins are listed in Additional descriptions of the device pins follow. TABLE 3-1: PINOUT DESCRIPTION FOR THE MCP4017/18/19 Pin Number Pin MCP4017 MCP4018 MCP4019 Name (SC70-6) (SC70-6) (SC70- SCL 3 3 SDA — — ...
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... W pin. The terminal B pin can support both positive and negative current. The voltage on terminal B must be between V and The terminal B pin is not available on the MCP4018 and MCP4019 devices. For these devices, the potentiometer’s terminal B is internally connected 3.6 ...
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... This Data Sheet covers a family of three Digital Potentiometer and Rheostat devices. The MCP4018 device is the Potentiometer configuration, while the MCP4017 and MCP4019 devices are the Rheostat configuration. Applications generally suited for the MCP401X devices include: • ...
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MCP4017/18/19 TABLE 4-1: DEVICE FUNCTIONALITY AT EACH V Serial Potentiometer V Level DD Interface V < V < 1.8V Ignored “unknown” DD BOR ≤ < 1.8V “Unknown” Operational with BOR DD reduced electrical specs 1.8V ≤ V < ...
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... C Module is compatible with the Phillips I specification. Phillips only defines the field types, field lengths, timings, etc frame. The frame content defines the behavior of the device. The frame content for the MCP4017, MCP4018, and MCP4019 devices are defined in this section of the Data Sheet. 2 Figure 5-1 shows a typical I C bus configurations ...
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MCP4017/18/ Bit Definitions bit definitions include: • Start Bit • Data Bit • Acknowledge (A) Bit • Repeated Start Bit • Stop Bit • Clock Stretching Figure 5-8 shows the waveform for these ...
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STOP BIT The Stop bit (see Figure 5-6) Indicates the end of the Data Transfer Sequence. The Stop bit is defined as the SDA signal rising when the SCL signal is “High” Stop bit ...
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... MCP4017 ‘0101111’ MCP4018 ‘0101111’ MCP4019 ‘0101111’ 5.2.9.2 Hardware Address Pins The MCP4017/MCP4018/MCP4019 does not support Figure 5- hardware address bits. shows 5.2.10 GENERAL CALL The General Call is a method that the Master device can communicate with all other Slave devices. The MCP4017/18/19 devices do not respond to General Call address and commands, and therefore the communications are Not Acknowledged ...
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Software Reset Sequence Note: This technique should be supported by 2 any I C compliant device. The 24xxxx I Serial EEPROM devices support this tech- nique, which is documented in AN1028. At times it may become necessary to perform ...
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MCP4017/18/19 5.4.1 WRITE OPERATION The write operation requires the START condition, Control Byte, Acknowledge, Data Byte, Acknowledge and STOP (or RESTART) condition. The Control (Slave Address) Byte requires the R/W bit equal to a logic zero (R/W = “0”) to ...
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Fixed Address Slave Address Byte Data Byte Legend S = Start Condition P = Stop Condition A = Acknowledge X = Don’t Care R/W ...
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MCP4017/18/19 Write 1 Byte S Slave Address Master MCP4017/18/ Bus ...
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... Rheostat configuration • Potentiometer (or voltage divider) configuration The MCP4017 is a true rheostat, with terminal B and the wiper (W) of the variable resistor available on pins. The MCP4018 device offers a voltage divider (potentiometer) with terminal B internally connected to ground. The MCP4019 device is a Rheostat device with ...
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MCP4017/18/19 Step resistance ( the resistance from one tap S setting to the next. This value will be dependent on the R value that has been selected. Equation 6-1 AB the calculation for the step resistance while shows ...
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Resistor Configurations 6.2.1 RHEOSTAT CONFIGURATION When used as a rheostat, two of the three digital potentiometer’s terminals are used as a resistive element in the circuit. With terminal W (wiper) and either terminal A or terminal B, a variable ...
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MCP4017/18/19 6.3 Wiper Resistance Wiper resistance is the series resistance of the analog switch that connects the selected resistor ladder node to the Wiper Terminal common signal (see A value in the volatile wiper register selects which analog switch to ...
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... The ratiometric temperature coefficient quantifies the Ideal transfer error in the ratio R function This is typically the critical error when using a potentiometer device (MCP4018 voltage divider configuration. 6.4.1.4 The absolute temperature coefficient quantifies the error in the end-to-end resistance (Nominal resistance R ) due to temperature drift. This is typically the ...
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MCP4017/18/19 6.4.2 MONOTONIC OPERATION Monotonic operation means that resistance increases with every step change (from terminal A to terminal B or terminal B to terminal A). The wiper resistances difference at each tap location. When changing from one tap position ...
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DESIGN CONSIDERATIONS In the design of a system with the MCP4017/18/19 devices, the following considerations should be taken into account. These are: • The Power Supply • The Layout In the design of a system with the MCP4017/18/19 devices, ...
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MCP4017/18/19 NOTES: DS22147A-page 48 © 2009 Microchip Technology Inc. ...
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... This technique may allow a lower-cost digital potentiometer to be utilized (64 steps instead of 256 steps). The MCP4018’s low DNL performance is critical to meeting calibration accuracy in production without having to use a higher precision digital potentiometer. EQUATION 8-1: ...
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... MCP4017/18/19 to achieve digitally-adjustable analog solutions. MCP6291 Amp V DD – MCP4018 MCP4017 FIGURE 8-3: Trimming Offset and Gain in a Non-Inverting Amplifier. MCP4018 – Amp MCP6021 ...
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... R 1 temperature AB ’s error W W FIGURE 8-6: is, in most W a Digital Potentiometer in a Potentiometer Configuration Figure 8-5 is MCP4017/18/19 Figure 8-6 utilizes a digital from the trimming equation along not required part-to-part NTC Thermistor V OUT MCP4018 Thermistor Calibration using DS22147A-page 51 ...
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MCP4017/18/19 8.4 Wheatstone Bridge Trimming Another common configuration to “excite” a sensor (such as a strain gauge, pressure sensor or thermistor) is the wheatstone bridge configuration. wheatstone bridge provides a differential output instead of a single-ended output. Figure 8-7 a ...
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DEVELOPMENT SUPPORT 9.1 Development Tools To assist in your design and evaluation of the MCP4017/18/19 devices, a Demo board using the MCP4017 device is in development. Please check the Microchip web site for the release of this board. The ...
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MCP4017/18/19 NOTES: DS22147A-page 54 © 2009 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP4017/18/19 Part Number Code MCP4019T-502E/LT BENN MCP4019T-103E/LT BFNN MCP4019T-503E/LT BGNN MCP4019T-104E/LT BHNN Code Part Number AENN MCP4018T-502E/LT AFNN MCP4018T-103E/LT AGNN MCP4018T-503E/LT AHNN MCP4018T-104E/LT Example: BENN Example: Code AANN AANN ABNN ACNN ADNN ) e 3 DS22147A-page 55 ...
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MCP4017/18/19 /HDG 3ODVWLF 6PDOO 2XWOLQH 7UDQVLVWRU /7 >6& 1RWH 1RWHV DS22147A-page © 2009 Microchip Technology Inc. ...
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Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2009 Microchip Technology Inc. MCP4017/18/19 DS22147A-page 57 ...
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MCP4017/18/19 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22147A-page 58 © 2009 Microchip Technology Inc. ...
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Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2009 Microchip Technology Inc. MCP4017/18/19 DS22147A-page 59 ...
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MCP4017/18/19 NOTES: DS22147A-page 60 © 2009 Microchip Technology Inc. ...
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APPENDIX A: REVISION HISTORY Revision A (March 2009) • Original Release of this Document. © 2009 Microchip Technology Inc. MCP4017/18/19 DS22147A-page 61 ...
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MCP4017/18/19 NOTES: DS22147A-page 62 © 2009 Microchip Technology Inc. ...
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... Version Range Device: MCP4017: Single Rheostat with I interface MCP4017T: Single Rheostat with I interface (Tape and Reel) MCP4018: Single Potentiometer to GND with I MCP4018T: Single Potentiometer to GND with I Reel) MCP4019: Single Rheostat to GND with Interface MCP4019T: Single Rheostat to GND with Interface (Tape and Reel) Resistance 502 = 5 kΩ ...
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MCP4017/18/19 NOTES: DS22147A-page 64 © 2009 Microchip Technology Inc. ...
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Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...
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