MCP4802-E/SN Microchip Technology, MCP4802-E/SN Datasheet
MCP4802-E/SN
Specifications of MCP4802-E/SN
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MCP4802-E/SN Summary of contents
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... 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 2.7V to 5.5V supply with SPI compatible Serial Peripheral Interface. ...
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... MCP4802/4812/4822 Block Diagram 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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... 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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... MCP4802/4812/4822 ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise indicated, V Output Buffer Gain ( k to GND Parameters Sym Internal Voltage Reference (V ) REF Internal Reference Voltage V REF V Temperature Coefficient /°C REF (Note 2) Output Noise (V Noise) E REF NREF (0.1- 10 Hz) Output Noise Density ...
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... 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 — 5.5 — ...
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... MCP4802/4812/4822 ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE (CONTINUED) Electrical Specifications: Unless otherwise indicated k to GND 100 pF. Typical values are at +125°C by characterization or simulation Parameters Sym Output Amplifier Output Swing V OUT Phase Margin PM Slew Rate SR Short Circuit Current I SC Settling Time t SETTLING Dynamic Performance (Note 2) ...
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... Thermal Package Resistances Thermal Resistance, 8L-MSOP 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 – ...
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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). 2 ...
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... Temperature (MCP4802). DS22249A-page 2.048V, Gain = 2x REF 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0 -0.3 0 896 1024 FIGURE 2-10: Temperature (MCP4802). 2.050 2.049 2.048 2.047 2.046 2.045 2.044 2.043 2.042 2.041 2.040 o C -40 896 1024 FIGURE 2-11: Ambient Temperature and V 4.100 ...
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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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... MCP4802/4812/4822 Note: Unless otherwise indicated +25° 3.5 3 2.5 2 1.5 1 -40 - Ambient Temperature (ºC) FIGURE 2-18: Software Shutdown Current vs. Temperature and 0.11 0.09 0.07 0.05 0.03 0.01 -0.01 -0.03 -40 - Ambient Temperature (ºC) FIGURE 2-19: Offset Error vs. Temperature and -0.05 -0.1 -0.15 -0.2 -0 ...
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... 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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... MCP4802/4812/4822 Note: Unless otherwise indicated +25° OUT SCK LDAC Time (1 µs/div) FIGURE 2-28: V Rise Time. OUT V OUT SCK LDAC Time (1 µs/div) FIGURE 2-29: V Fall Time. OUT V OUT SCK LDAC Time (1 µs/div) FIGURE 2-30: V Rise Time. OUT DS22249A-page 2.048V, Gain = 2x REF ...
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... PIN DESCRIPTIONS The descriptions of the pins are listed in TABLE 3-1: PIN FUNCTION TABLE FOR MCP4802/4812/4822 MCP4802/4812/4822 Symbol MSOP, PDIP, SOIC SCK 4 SDI 5 LDAC 6 V OUTB OUTA 3.1 Supply Voltage Pins ( the positive supply voltage input pin. The input DD supply voltage is relative to V ...
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... MCP4802/4812/4822 NOTES: DS22249A-page 16 2010 Microchip Technology Inc. ...
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... GENERAL OVERVIEW The MCP4802, MCP4812 and MCP4822 are dual voltage output 8-bit, 10-bit and 12-bit DAC devices, respectively. These devices include rail-to-rail output amplifiers, internal voltage reference, shutdown and reset-management circuitry. The devices use an SPI serial communication interface and operate with a sin- gle supply voltage from 2 ...
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... This results in an ideal full-scale output of 0.000V to 4.096V due to the internal reference (V = 2.048V). 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” ...
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... 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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... DAC’s input registers are transferred into the DAC’s output registers (V and V are updated at the same time. OUTB detail the All writes to the MCP4802/4812/4822 devices are 16-bit words. Any clocks after the first 16 Figure 5-1 ignored. The Configuration bits. The remaining 12 bits are data bits. ...
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... REGISTER 5-2: WRITE COMMAND REGISTER FOR MCP4812 (10-BIT DAC) W-x W-x W-x W-0 W-x A/B — GA SHDN D9 bit 15 REGISTER 5-3: WRITE COMMAND REGISTER FOR MCP4802 (8-BIT DAC) W-x W-x W-x W-0 W-x A/B — GA SHDN D7 bit 15 Where: bit 15 A/B: DAC ...
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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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... Filter (LPF) that will reduce this noise. For instance, a bypass capacitor sized to produce a 1 kHz LPF would result NREF necessary when trying to achieve the low DNL error performance ( that the MCP4802/4812/4822 devices are capable of. The tested range for stability is .001µF through 4.7 µ µ 0.1 µF ® ...
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... R SENSE OUT Gain selection ( Digital value of DAC (0-255) for MCP4801/MCP4802 n = Digital value of DAC (0-1023) for MCP4811/MCP4812 = Digital value of DAC (0-4095) for MCP4821/MCP4822 DAC bit resolution Decreasing Output Step Size to 0.82V (using the MCP49XX family is an option if the V ...
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... Dual Output DAC: MCP4802 MCP4812 MCP4822 V DD DAC SPI 3-wire D n V OUT = 2.048 G ------ Gain selection ( Digital value of DAC (0-255) for MCP4801/MCP4802 n = Digital value of DAC (0-1023) for MCP4811/MCP4812 = Digital value of DAC (0-4095) for MCP4821/MCP4822 N = DAC bit resolution ------------------ - Thevenin ...
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... DD a higher offset is desired OUT DAC R 4 3-wire G = Gain selection ( Digital value of DAC (0-255) for MCP4801/MCP4802 n = Digital value of DAC (0-1023) for MCP4811/MCP4812 = Digital value of DAC (0-4095) for MCP4821/MCP4822 N = DAC bit resolution The equation can be simplified to: – -------- - k and R ...
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... Offset Bipolar Voltage Output Using a Dual Output DAC In some applications, precision digital control of the output range is desirable. Example 6-4 to use the MCP4802/4812/4822 family of devices to achieve this in a bipolar or single-supply application. EXAMPLE 6-4: BIPOLAR VOLTAGE SOURCE WITH SELECTABLE GAIN AND OFFSET V DD ...
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... MCP4802/4812/4822 6.8 Designing a Double-Precision DAC Using a Dual DAC Example 6-5 illustrates how to design a single-supply voltage output capable 24-bit resolution from a dual 12-bit DAC (MCP4822). This design is simply a voltage divider with a buffered output example application similar to the one developed in Section 6.6.1 “Design Design a Bipolar DAC Using Example 6-3 with 12- bit MCP4822 or MCP4821” ...
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... DAC’s setting under known sensor conditions. would OUT DAC SPI V CC 3-wire G = Gain selection ( Digital value of DAC (0-255) for MCP4801/MCP4802 n = Digital value of DAC (0-1023) for MCP4811/MCP4812 = Digital value of DAC (0-4095) for MCP4821/MCP4822 N = DAC bit resolution REF Load + – ...
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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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... 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 Example: MCP4802 E/P ^ 256 e 3 1009 Example: MCP4812E SN^^ 1009 e ...
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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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... Plastic Micro Small Outline (MSOP 8-Lead Plastic Dual In-Line (PDIP 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, ...
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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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