MCP4821-E/SN Microchip Technology, MCP4821-E/SN Datasheet
MCP4821-E/SN
Specifications of MCP4821-E/SN
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MCP4821-E/SN Summary of contents
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... Voltage Output Digital-to-Analog Converter with Internal V Features • MCP4801: 8-Bit Voltage Output DAC • MCP4811: 10-Bit Voltage Output DAC • MCP4821: 12-Bit Voltage Output DAC • Rail-to-Rail Output • SPI Interface with 20 MHz Clock Support • Simultaneous Latching of the DAC Output with LDAC Pin • ...
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... DFN (2x3 OUT SHDN 6 3 SCK 5 LDAC 4 SDI MCP4801: 8-bit single DAC MCP4811: 10-bit single DAC MCP4821: 12-bit single DAC Table 3-1. CS SDI SCK Interface Logic Power-on Reset Input Register DAC V REF Register (2.048V) String DAC Gain Output Logic Op Amp Output ...
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... SHDN_SW Power-on Reset Threshold V POR DC Accuracy MCP4801 Resolution n INL Error INL DNL DNL MCP4811 Resolution n INL Error INL DNL DNL MCP4821 Resolution n INL Error INL DNL DNL Offset Error V OS Offset Error Temperature V /°C OS Coefficient Gain Error g E G/°C Gain Error Temperature ...
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... Code = 0xFFFh p-p Code = 0xFFFh Code = 0xFFFh Accuracy is better than 1 LSb for OUT (V – 40 mV) DD = 400 pF µs Within ½ LSb of final value from ¼ to ¾ full-scale range 1 LSb change around major carry (0111...1111 to 1000...0000) 2010 Microchip Technology Inc. ...
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... SHDN_SW Power-on Reset threshold V POR DC Accuracy MCP4801 Resolution n INL Error INL DNL DNL MCP4811 Resolution n INL Error INL DNL DNL MCP4821 Resolution n INL Error INL DNL DNL Offset Error V OS Offset Error Temperature V /°C OS Coefficient Gain Error g E Gain Error Temperature G/° ...
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... 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 ns Note 1 ns Note 1 ns Note 1 ns Note 1 2010 Microchip Technology Inc. ...
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... Thermal Resistance, 8L-DFN (2x3) Thermal Resistance, 8L-MSOP Thermal Resistance, 8L-PDIP Thermal Resistance, 8L-SOIC Note 1: The MCP4801/4811/4821 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. MCP4801/4811/4821 +2.7V to +5.5V ...
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... Note: Unless otherwise indicated +25° 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 0 1024 2048 3072 Code (Decimal) FIGURE 2-1: DNL vs. Code (MCP4821). 0.2 0.1 0 -0.1 -0.2 0 1024 2048 3072 Code (Decimal) 125C FIGURE 2-2: DNL vs. Code and Temperature (MCP4821). 0.0766 0.0764 ...
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... INL vs. Code and Temperature (MCP4811). 0.15 o Temperature +125 0.1 0. -0.05 -0.1 -0. 128 160 192 224 256 Code FIGURE 2-9: DNL vs. Code and Temperature (MCP4801). 2010 Microchip Technology Inc. MCP4801/4811/4821 = 5V 0V 2.048V, Gain = REF 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0 -0.3 0 ...
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... Ambient Temperature (°C) FIGURE 2-15: I vs. Temperature and V DD DS22244B-page 2.048V, Gain = REF 10k 100k 1E+4 1E+5 FIGURE 2-16 1E+6 FIGURE 2-17: 5.5V 5.0V 4.0V 3.0V 2. 100 120 . k 100 pF (µ Histogram (V = 2.7V (µ Histogram (V = 5.0V 2010 Microchip Technology Inc. ...
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... Temperature and 0.11 0.09 0.07 0.05 0.03 0.01 -0.01 -0.03 -40 - Ambient Temperature (ºC) FIGURE 2-20: Offset Error vs. Temperature and 2010 Microchip Technology Inc. MCP4801/4811/4821 = 5V 0V 2.048V, Gain = REF -0.05 5.5V 5.0V -0.1 4.0V -0.15 3.0V 2.7V -0 -0.25 -0.3 -0.35 -0.4 -0 ...
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... Output Shorted to V 0.0 0 100 120 FIGURE 2-28 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) I High Short vs. OUT . DD = 4.096V REF (mA) OUT I vs Gain = 2x. OUT OUT 2010 Microchip Technology Inc. ...
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... V OUT SCK LDAC Time (1 µs/div) FIGURE 2-30: V Fall Time. OUT V OUT SCK LDAC Time (1 µs/div) FIGURE 2-31: V Rise Time. OUT 2010 Microchip Technology Inc. MCP4801/4811/4821 = 5V 0V 2.048V, Gain = REF V OUT LDAC Time (1 µs/div) FIGURE 2-32 OUT SCK LDAC Time (1 µs/div) ...
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... MCP4801/4811/4821 NOTES: DS22244B-page 14 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. MCP4801/4811/4821 Table 3-1. Description Supply Voltage Input (2.7V to 5.5V) ...
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... MCP4801/4811/4821 NOTES: DS22244B-page 16 2010 Microchip Technology Inc. ...
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... GENERAL OVERVIEW The MCP4801, MCP4811 and MCP4821 are single channel voltage-output 8-bit, 10-bit and 12-bit DAC devices, respectively. These devices include rail-to-rail output amplifier, internal voltage reference, shutdown and reset-management circuitry. The devices use an SPI serial communication interface and operate with a single supply voltage from 2 ...
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... REF 4.1.2 VOLTAGE REFERENCE The MCP4801/4811/4821 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. MCP4801/4811/4821 4.1.4 SHUTDOWN MODE The user can shut down the device using a software command (<SHDN> SHDN pin. During shutdown mode, most of the internal circuits, including the output amplifier, are turned off for power savings. ...
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... MCP4801/4811/4821 NOTES: DS22244B-page 20 2010 Microchip Technology Inc. ...
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... Refer to Figure 1-1 and the 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. MCP4801/4811/4821 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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... MCP4801/4811/4821 REGISTER 5-1: WRITE COMMAND REGISTER FOR MCP4821 (12-BIT DAC) W-x W-x W-x W-0 W-x 0 — GA SHDN D11 bit 15 REGISTER 5-2: WRITE COMMAND REGISTER FOR MCP4811 (10-BIT DAC) W-x W-x W-x W-0 W-x 0 — GA SHDN D9 bit 15 REGISTER 5-3: WRITE COMMAND REGISTER FOR MCP4801 (8-BIT DAC) ...
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... SCK config bits 0 — GA SHDN D11 D10 SDI LDAC V OUT FIGURE 5-1: Write Command for MCP4821 (12-bit DAC SCK config bits 0 — SDI GA SHDN D9 LDAC V OUT Note “don’t care” bits. FIGURE 5-2: Write Command for MCP4811 (10-bit DAC SCK ...
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... MCP4801/4811/4821 NOTES: DS22244B-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. MCP4801/4811/4821 6.3 Output Noise Considerations The voltage noise density (in µV/Hz) is illustrated in Figure 2-13 ...
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... 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 is available with ...
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... Dual Output DAC: MCP4802 MCP4812 MCP4822 V DD DAC SPI 3-wire D 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 Equivalent ------------------------------------------------------ 23 R ...
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... OUT DAC R SPI 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 2 1 The equation can be simplified to: – R -------- - k and R 1 Step 4: Next solve for R 4096, knowing that the output needs ...
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... Gain Adjust OUTB IN (DAC for Offset Adjust – Gain selection ( DAC bit resolution D = Digital value of DAC (0-255) for MCP4801 n = Digital value of DAC (0-1023) for MCP4811 = Digital value of DAC (0-4095) for MCP4821 R 2 ----- - and ------------------ - ...
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... As an example application similar to the one developed in Section 6.6.1 “Design Design a Bipolar DAC Using Example 6-3 with 12- bit MCP4821 or MCP4822” required a resolution of 1 µV instead of 1 mV, and a range 4.1V, then 12-bit resolution would not be adequate. EXAMPLE 6-5: SIMPLE, DOUBLE-PRECISION DAC WITH MCP4821 V ...
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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 SENSE DS22244B-page 31 ...
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... MCP4801/4811/4821 NOTES: DS22244B-page 32 2010 Microchip Technology Inc. ...
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... DEVELOPMENT SUPPORT 7.1 Evaluation & Demonstration Boards ™ The Mixed Signal PICtail Demo Board supports the MCP4801/4811/4821 family of devices. Refer to www.microchip.com for further information on this product’s capabilities and availability. 2010 Microchip Technology Inc. MCP4801/4811/4821 DS22244B-page 33 ...
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... MCP4801/4811/4821 NOTES: DS22244B-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. MCP4801/4811/4821 Example: AHS 010 25 Example: 4801E 010256 Example: MCP4821 E/P ^ 256 e 3 1010 Example: MCP4811E SN^^ 1010 e 3 256 e ) ...
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... MCP4801/4811/4821 /HDG 3ODVWLF 'XDO )ODW 1R /HDG 3DFNDJH 0& ± 1RWH D N NOTE TOP VIEW A3 1RWHV DS22244B-page 36 PP %RG\ >') EXPOSED PAD BOTTOM VIEW A NOTE NOTE 2010 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP4801/4811/4821 PP %RG\ >')1@ DS22244B-page 37 ...
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... MCP4801/4811/4821 /HDG 3ODVWLF 0LFUR 6PDOO 2XWOLQH 3DFNDJH 06 >0623@ 1RWH D N NOTE 1RWHV DS22244B-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. MCP4801/4811/4821 DS22244B-page 39 ...
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... MCP4801/4811/4821 /HDG 3ODVWLF 'XDO ,Q /LQH 3 ± 1RWH N NOTE 1RWHV DS22244B-page 40 PLO %RG\ >3', 2010 Microchip Technology Inc. ...
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... N NOTE 1RWHV 2010 Microchip Technology Inc. MCP4801/4811/4821 PP %RG\ >62,& φ α c β DS22244B-page 41 ...
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... MCP4801/4811/4821 /HDG 3ODVWLF 6PDOO 2XWOLQH 61 ± 1DUURZ 1RWH DS22244B-page 42 PP %RG\ >62,&@ 2010 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision A (April 2010) • Original Release of this Document. Revision B (April 2010) • Corrected the “Related Products” table on page 1. 2010 Microchip Technology Inc. MCP4801/4811/4821 DS22244B-page 43 ...
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... MCP4801/4811/4821 NOTES: DS22244B-page 44 2010 Microchip Technology Inc. ...
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... MCP4811-E/P: f) MCP4811-E/SN: g) MCP4811T-E/SN: a) MCP4821-E/MC: b) MCP4821T-E/MC: Extended temperature, c) MCP4821-E/MS: d) MCP4821T-E/MS: Extended temperature, e) MCP4821-E/P: f) MCP4821-E/SN: g) MCP4821T-E/SN: . Extended temperature, DFN package DFN package, Tape and Reel Extended temperature, MSOP package. MSOP package, Tape and Reel. Extended temperature, PDIP package. Extended temperature, SOIC package. Extended temperature, SOIC package, Tape and Reel ...
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... MCP4801/4811/4821 NOTES: DS22244B-page 46 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 ...