MCP4812T-E/MS Microchip Technology, MCP4812T-E/MS Datasheet
MCP4812T-E/MS
Specifications of MCP4812T-E/MS
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MCP4812T-E/MS Summary of contents
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... MCP4922 12 2 Note 1: The products listed here have similar AC/DC performances. 2010 Microchip Technology Inc. and SPI Interface REF Description The MCP4802/4812/4822 devices are dual 8-bit, 10-bit and 12-bit buffered voltage output Digital-to-Analog Converters (DACs), respectively. The devices operate from a single 2 ...
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... Gain Logic DS22249A-page 2 CS SDI SCK LDAC Power-on Interface Logic Reset Input Input Register A Register B 2.048V V REF DAC DAC A B Register Register String String DAC DAC A B Gain Logic Output Op Amps Output Logic V V OUTB OUTA 2010 Microchip Technology Inc. ...
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... Note 1: Guaranteed monotonic by design over all codes. 2: This parameter is ensured by design, and not 100% tested. 2010 Microchip Technology Inc. MCP4802/4812/4822 † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of ...
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... Code = 0xFFFh Code = 0xFFFh Code = 0xFFFh Accuracy is better than 1 LSb for –40 mV) OUT DD = 400 pF Within 1/2 LSb of final value from 1/4 to 3/4 full-scale range 1 LSb change around major carry (0111...1111 to 1000...0000) 2010 Microchip Technology Inc. ...
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... NREF (1 kHz) e NREF (10 kHz) 1/f Corner Frequency f CORNER Note 1: Guaranteed monotonic by design over all codes. 2: This parameter is ensured by design, and not 100% tested. 2010 Microchip Technology Inc. MCP4802/4812/4822 = 5V 0V 2.048V, Output Buffer Gain ( REF Min Typ Max 2.7 — ...
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... A Units Conditions A LDAC = CS = SDI = SCK = 5.0V +25° MHz (Note 1) CLK MHz T = +25°C (Note Note 1 ns Note 1 ns Applies only when CS falls with CLK high. (Note 1) ns Note 1 ns Note 1 ns Note 1 2010 Microchip Technology Inc. ...
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... Thermal Resistance, 8L-PDIP Thermal Resistance, 8L-SOIC Note 1: The MCP4802/4812/4822 devices operate over this extended temperature range, but with reduced performance. Operation in this range must not cause T of +150°C. 2010 Microchip Technology Inc. MCP4802/4812/4822 = 2.7V – 5.5V Min Typ Max 15 — ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 8 2010 Microchip Technology Inc. ...
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... FIGURE 2-2: DNL vs. Code and Temperature (MCP4822). 0.0766 0.0764 0.0762 0.076 0.0758 0.0756 0.0754 0.0752 0.075 -40 - Ambient Temperature (ºC) FIGURE 2-3: Absolute DNL vs. Temperature (MCP4822). 2010 Microchip Technology Inc. MCP4802/4812/4822 = 5V 0V 2.048V, Gain = 2x REF 4096 0 FIGURE 2-4: Temperature (MCP4822). ...
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... Code INL vs. Code and VDD: 4V VDD: 3V VDD: 2.7V - 100 120 Ambient Temperature (°C) Full-Scale V vs. OUTA . Gain = 1x. DD VDD: 5.5V VDD 100 120 Ambient Temperature (°C) Full-Scale V vs. OUTA . Gain = 2x. DD 2010 Microchip Technology Inc. ...
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... Output Noise Voltage (V Noise Voltage) vs. Bandwidth. Gain = 1x. REF 340 320 300 280 260 240 220 200 180 -40 - Ambient Temperature (°C) FIGURE 2-15: I vs. Temperature and V DD 2010 Microchip Technology Inc. MCP4802/4812/4822 = 5V 0V 2.048V, Gain = 2x REF 10k 100k 1E+4 1E+5 FIGURE 2-16 ...
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... FIGURE 2-22: Temperature and 5.5V 5.0V 4.0V 3.0V 2.7V 100 120 = 5 k 100 pF 5.5V 5.0V 4.0V 3.0V 2. 100 120 Ambient Temperature (ºC) V High Threshold vs 5.5V 5.0V 4.0V 3.0V 2. 100 120 Ambient Temperature (ºC) V Low Threshold vs 2010 Microchip Technology Inc. ...
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... DD 0.0028 0.0026 0.0024 0.0022 0.0020 0.0018 0.0016 0.0014 0.0012 0.0010 -40 - Ambient Temperature (ºC) FIGURE 2-25: V Low Limit vs. OUT Temperature and 2010 Microchip Technology Inc. MCP4802/4812/4822 = 5V 0V 2.048V, Gain = 2x REF 5.5V 15 5.0V 14 4.0V 13 3. -40 -20 100 120 FIGURE 2-26: Temperature and V 6 ...
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... Rise Time. OUT DS22249A-page 2.048V, Gain = 2x REF V OUT LDAC Time (1 µs/div) FIGURE 2-31 OUT SCK LDAC Time (1 µs/div) FIGURE 2-32: V Shutdown. Frequency (Hz) FIGURE 2-33: PSRR vs. Frequency k 100 pF Rise Time. OUT Rise Time Exit OUT 2010 Microchip Technology Inc. ...
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... CS is the Chip Select input pin, which requires an active-low to enable serial clock and data functions. 3.3 Serial Clock Input (SCK) SCK is the SPI compatible serial clock input pin. 2010 Microchip Technology Inc. MCP4802/4812/4822 Table 3-1. Description Supply Voltage Input (2.7V to 5.5V) ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 16 2010 Microchip Technology Inc. ...
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... Note: See the output swing voltage specification in Section 1.0 “Electrical Characteristics”. 2010 Microchip Technology Inc. MCP4802/4812/4822 1 LSb is the ideal voltage difference between two successive codes. calculation of each device. ...
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... REF 4.1.2 VOLTAGE REFERENCE The MCP4802/4812/4822 devices utilize internal 2.048V voltage reference. The voltage reference has a low temperature coefficient and characteristics. Refer to Section 1.0 “Electrical Char- acteristics” for the voltage reference specifications. 2010 Microchip Technology Inc. to OUT low noise ...
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... (V) DD POR FIGURE 4-3: Typical Transient Response. 2010 Microchip Technology Inc. MCP4802/4812/4822 4.1.4 SHUTDOWN MODE The user can shut down each DAC channel selectively using a software command (<SHDN> = 0). During Shutdown mode, most of the internal circuits in the channel that was shut down are turned off for power savings ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 20 2010 Microchip Technology Inc. ...
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... Refer to Figure 1-1 and SPI Timing Specifications Table for detailed input and output timing specifications for both Mode 0,0 and Mode 1,1 operation. 2010 Microchip Technology Inc. MCP4802/4812/4822 5.2 Write Command The write command is initiated by driving the CS pin low, followed by clocking the four Configuration bits and the 12 data bits into the SDI pin on the rising edge of SCK ...
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... W-x W-x W W-x W-x W-x W-x W-x W 2.048V. REF is available. OUT U = Unimplemented bit, read as ‘0’ bit is cleared W-x W-x W-x W-x W bit 0 W-x W-x W-x W-x W bit 0 W-x W-x W-x W-x W bit bit is unknown 2010 Microchip Technology Inc. ...
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... X = “don’t care” bits. FIGURE 5-2: Write Command for MCP4812 (10-bit DAC SCK config bits — SDI A/B GA SHDN D7 LDAC V OUT Note “don’t care” bits. FIGURE 5-3: Write Command for MCP4802 (8-bit DAC). 2010 Microchip Technology Inc. MCP4802/4812/4822 data bits ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 24 2010 Microchip Technology Inc. ...
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... The power source supplying these devices should be as clean as possible. If the application circuit has separate digital and analog power supplies the device should reside on the analog plane. SS 2010 Microchip Technology Inc. MCP4802/4812/4822 6.3 Output Noise Considerations The voltage noise density (in µV/Hz) is illustrated in Figure 2-13 ...
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... MCP49XX family is an option if the V is available with REF output voltage range. However, , the noise REF needs to be very low or REF is used while two resistors REF illustrates this concept. Note that the Comparator V TRIP V – 0.1 µF CC 2010 Microchip Technology Inc. ...
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... OUT -------------------------------------------- - trip 2010 Microchip Technology Inc. MCP4802/4812/4822 If the threshold is not near V creating a “window” around the threshold has several advantages. One simple method to create this “window” use a voltage divider network with a pull- up and pull-down resistor. concept CC+ SENSE OUT ...
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... DAC's output to a selected 4 , instead addition – CC 0.1 µ 2.05 1 – ---------------- - ----- - = -- - 4.096V k, the gain will be 0.5. 2 and R by setting the DAC 2.05V + 0.5 4.096V 2 = ------------------------------------------------------- = -- - R 1.5 4.096V k, then k 2010 Microchip Technology Inc ...
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... CC -------------------------------------------- - Equivalent OUTB ----------------------------------------------- - IN 2010 Microchip Technology Inc. MCP4802/4812/4822 This circuit is typically used for linearizing a sensor whose slope and offset varies. The equation to design a bipolar “window” DAC would be utilized if R illustrates how OUTA (DAC for Gain Adjust OUTB IN (DAC for Offset Adjust) ...
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... Step 4: The resulting transfer function is shown in the equation >> 0.1 µ Gain selection ( Digital value of DAC (0-4096 Since resolution is desired. Since ’s V has a resolution of 1 mV, B OUTB by 1000 OUTA ’s DNL error. needs to be 100 k. 1 Example 6- – CC 2010 Microchip Technology Inc ...
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... Current Gain where 2010 Microchip Technology Inc. MCP4802/4812/4822 However, this also reduces the resolution that the current can be controlled with. The voltage divider, or “window”, DAC configuration would allow the range to be reduced, thus increasing resolution around the range of interest. When working with very small sensor voltages, plan on eliminating the amplifier’ ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 32 2010 Microchip Technology Inc. ...
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... DEVELOPMENT SUPPORT 7.1 Evaluation and Demonstration Boards ™ The Mixed Signal PICtail Demo Board supports the MCP4802/4812/4822 family of devices. Refer to www.microchip.com for further information on this product’s capabilities and availability. 2010 Microchip Technology Inc. MCP4802/4812/4822 DS22249A-page 33 ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 34 2010 Microchip Technology Inc. ...
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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 2010 Microchip Technology Inc. MCP4802/4812/4822 Example: 4822E 009256 ...
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... MCP4802/4812/4822 /HDG 3ODVWLF 0LFUR 6PDOO 2XWOLQH 3DFNDJH 06 >0623@ 1RWH NOTE 1RWHV DS22249A-page φ L 2010 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 2010 Microchip Technology Inc. MCP4802/4812/4822 DS22249A-page 37 ...
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... MCP4802/4812/4822 /HDG 3ODVWLF 'XDO ,Q/LQH 3 ± PLO %RG\ >3',3@ 1RWH N NOTE 1RWHV DS22249A-page 2010 Microchip Technology Inc. ...
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... PP %RG\ >62,&@ 1RWH N NOTE 1RWHV 2010 Microchip Technology Inc. MCP4802/4812/4822 φ α c β DS22249A-page 39 ...
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... MCP4802/4812/4822 /HDG 3ODVWLF 6PDOO 2XWOLQH 61 ± 1DUURZ PP %RG\ >62,&@ 1RWH DS22249A-page 40 2010 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision A (April 2010) • Original Release of this Document. 2010 Microchip Technology Inc. MCP4802/4812/4822 DS22249A-page 41 ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 42 2010 Microchip Technology Inc. ...
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... SN = 8-Lead Plastic Small Outline - Narrow, 150 mil (SOIC) 2010 Microchip Technology Inc. MCP4802/4812/4822 Examples: a) MCP4802-E/MS: b) MCP4802T-E/MS: Extended temperature, c) MCP4802-E/P: d) MCP4802-E/SN: e) MCP4802T-E/SN: a) MCP4812-E/MS: b) MCP4812T-E/MS: Extended temperature, (Extended) c) MCP4812-E/P: d) MCP4812-E/SN: e) MCP4812T-E/SN: a) MCP4822-E/MS: b) MCP4822T-E/MS: Extended temperature, c) MCP4822-E/P: d) MCP4822-E/SN: e) MCP4822T-E/SN: . Extended temperature, MSOP package. ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 44 2010 Microchip Technology Inc. ...
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... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 2010 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...