MCP4901-E/P Microchip Technology, MCP4901-E/P Datasheet
MCP4901-E/P
Specifications of MCP4901-E/P
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MCP4901-E/P Summary of contents
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... The devices provide high accuracy and low noise performance for consumer and industrial applications where calibration or compensation of signals (such as Voltage temperature, pressure and humidity) are required. Reference (V ) The MCP4901/4911/4921 devices are available in the REF PDIP, SOIC, MSOP and DFN packages. Package Types Internal (2.048V) 8-Pin PDIP, SOIC, MSOP V ...
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... MCP4901/4911/4921 Block Diagram LDAC V REF Buffer DS22248A-page 2 CS SDI SCK Interface Logic Power-on Reset Input Register DAC Register String DAC Gain Output Logic Op Amp Output Logic V OUT 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. MCP4901/4911/4921 † 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 the device at those or any other conditions above those indicated in the operational listings of this specification is not implied ...
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... MCP4901/4911/4921 ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise indicated, V ( k to GND 100 Parameters Sym Offset Error V OS Offset Error Temperature V /°C OS Coefficient Gain Error g E G/°C Gain Error Temperature Coefficient Input Amplifier (V Input) REF Input Range – Buffered ...
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... C VREF Unbuffered Mode Multiplying Mode f VREF -3 dB Bandwidth f VREF Note 1: Guaranteed monotonic by design over all codes. 2: This parameter is ensured by design, and not 100% tested. 2010 Microchip Technology Inc. MCP4901/4911/4921 = 5V 0V REF Min Typ Max Units 2.7 — 5.5 — 200 — ...
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... MCP4901/4911/4921 ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE (CONTINUED) Electrical Specifications: Unless otherwise indicated, V ( k to GND 100 pF. Typical values are at +125°C by characterization or simulation Parameters Sym Multiplying Mode - Total THD VREF Harmonic Distortion Output Amplifier Output Swing V OUT Phase Margin ...
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... Note 1: This parameter is ensured by design and not 100% tested CSSR Mode 1,1 SCK Mode 0 MSB in LDAC FIGURE 1-1: SPI Input Timing Data. 2010 Microchip Technology Inc. MCP4901/4911/4921 = 2.7V – 5.5V Min Typ Max Units 0.7 V — — — — 0 — ...
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... Thermal Package Resistances Thermal Resistance, 8L-DFN ( Thermal Resistance, 8L-PDIP Thermal Resistance, 8L-SOIC Thermal Resistance, 8L-MSOP Note 1: The MCP4901/4911/4921 devices operate over this extended temperature range, but with reduced performance. Operation in this range must not cause T 150°C. DS22248A-page 8 = +2.7V to +5.5V Sym ...
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... Code (Decimal) 1 FIGURE 2-3: DNL vs. Code and V Gain=1 (MCP4921). 2010 Microchip Technology Inc. MCP4901/4911/4921 = 5V 0V 2.048V, Gain = 2x REF 0.0766 0.0764 0.0762 0.076 0.0758 0.0756 0.0754 0.0752 0.075 -40 4096 FIGURE 2-4: Temperature (MCP4921) ...
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... MCP4901/4911/4921 Note: Unless otherwise indicated +25° 2.5 2 1.5 1 0.5 0 -40 - Ambient Temperature (ºC) FIGURE 2-7: Absolute INL vs. Temperature (MCP4921). 3 2.5 2 1 Voltage Reference (V) FIGURE 2-8: Absolute INL vs. V (MCP4921 REF 1024 2048 3072 Code (Decimal) FIGURE 2-9: INL vs. Code and V (MCP4921) ...
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... Note: Unless otherwise indicated +25° 0.06 o Temp = - +125 0.04 0.02 0 -0.02 -0.04 -0. 128 160 192 224 256 Code FIGURE 2-13: DNL vs. Code and Temperature (MCP4901 +85 C 0.25 0 -0.25 o 125 C -0 128 160 192 Code FIGURE 2-14: INL vs. Code and Temperature (MCP4901). ...
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... MCP4901/4911/4921 Note: Unless otherwise indicated +25° -40 - Ambient Temperature (ºC) FIGURE 2-18: Shutdown Current vs. Temperature and 0.12 0.1 0.08 0.06 0.04 0.02 0 -0.02 -40 - Ambient Temperature (ºC) FIGURE 2-19: Offset Error vs.Temperature and -0.08 -0.1 -0.12 -0.14 -0.16 -40 - Ambient Temperature (ºC) FIGURE 2-20: Gain Error vs ...
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... Ambient Temperature (ºC) FIGURE 2-25: V High Limit vs. OUT Temperature and 2010 Microchip Technology Inc. MCP4901/4911/4921 = 5V 0V 2.048V, Gain = REF 0.0045 V DD 5.5V 0.004 5.0V 0.0035 4.0V 0.003 3.0V 0.0025 2.7V 0.002 0.0015 ...
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... MCP4901/4911/4921 Note: Unless otherwise indicated +25° OUT SCK LDAC Time (1 µs/div) FIGURE 2-29: V Rise Time OUT 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 DS22248A-page 2.048V, Gain = REF ...
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... OUT REF 600 580 560 540 520 500 480 460 440 420 400 Worst Case Codes (decimal) FIGURE 2-36 Bandwidth vs. Worst Codes. 2010 Microchip Technology Inc. MCP4901/4911/4921 = 5V 0V 2.50V, Gain = REF 160 D = 416 D = 672 - 928 D = 1184 D = 1440 D = 1696 - 1952 D = 2208 ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 16 2010 Microchip Technology Inc. ...
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... Serial Clock Input (SCK) SCK is the SPI compatible serial clock input. 3.4 Serial Data Input (SDI) SDI is the SPI compatible serial data input. 2010 Microchip Technology Inc. MCP4901/4911/4921 Table 3-1. Symbol V Supply Voltage Input (2.7V to 5.5V ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 18 2010 Microchip Technology Inc. ...
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... GENERAL OVERVIEW The MCP4901, MCP4911 and MCP4921 are single channel voltage output 8-bit, 10-bit and 12-bit DAC devices, respectively. These devices include a V input buffer, a rail-to-rail output amplifier, 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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... The default value is a gain of 2x (<GA> = 0). DS22248A-page 20 4.2.2 VOLTAGE REFERENCE AMPLIFIER The input buffer amplifier for the MCP4901/4911/4921 devices provides low offset voltage and low noise. A Configuration bit for each DAC allows the V bypass the V input buffer amplifier, achieving REF Buffered or Unbuffered mode ...
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... When the device is changed from Shutdown to Active mode, the output settling time takes less than 10 µs, but more than the standard active mode settling time (4.5 µs). 2010 Microchip Technology Inc. MCP4901/4911/4921 OP Amp Power-Down Control Circuit ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 22 2010 Microchip Technology Inc. ...
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... SDI pin, with data being clocked-in on the rising edge of SCK. The communications are unidirectional, thus the data cannot be read out of the MCP4901/4911/4921. The CS pin must be held low for the duration of a write command. The write command consists of 16 bits and is used to configure the DAC’ ...
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... REGISTER 5-2: WRITE COMMAND REGISTER FOR MCP4911 (10-BIT DAC) W-x W-x W-x W-0 W-x 0 BUF GA SHDN D9 bit 15 REGISTER 5-3: WRITE COMMAND REGISTER FOR MCP4901 (8-BIT DAC) W-x W-x W-x W-0 W-x 0 BUF GA SHDN D7 bit 15 Where: bit Write to DAC register 1 = Ignore this command ...
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... Write Command for MCP4911 (10-bit DAC). Note: X are don’t care bits SCK config bits SDI 0 BUF GA SHDN D7 LDAC V OUT FIGURE 5-3: Write Command for MCP4901(8-bit DAC). Note: X are don’t care bits. 2010 Microchip Technology Inc. MCP4901/4911/4921 data bits ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 26 2010 Microchip Technology Inc. ...
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... TYPICAL APPLICATIONS The MCP4901/4911/4921 family devices are general purpose DACs intended to be used in applications where precision with low-power and moderate bandwidth is required. Applications generally suited for the devices are: • Set Point or Offset Trimming • Sensor Calibration • Digitally-Controlled Multiplier/Divider • ...
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... SENSE OUT 0 Gain selection ( Digital value of DAC (0-255) for MCP4901/MCP4902 n = Digital value of DAC (0-1023) for MCP4911/MCP4912 = Digital value of DAC (0-4095) for MCP4921/MCP4922 DAC Bit Resolution Decreasing Output Step Size to 0.82V or use a voltage divider on the is an option if the V ...
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... MCP4912 MCP4922 V V REF DD DAC SPI 3 D OUT = V G ------ REF Gain selection ( Digital value of DAC (0-255) for MCP4901/MCP4902 n = Digital value of DAC (0-1023) for MCP4911/MCP4912 = Digital value of DAC (0-4095) for MCP4921/MCP4922 N = DAC Bit Resolution ------------------ Thevenin Equivalent V R CC+ ...
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... OUT DAC R 4 SPI Gain selection ( Digital value of DAC (0 – 255) for MCP4901/MCP4902 n = Digital value of DAC (0 – 1023) for MCP4911/MCP4912 = Digital value of DAC (0 – 4095) for MCP4921/MCP4922 N = DAC Bit Resolution 4. Next, solve for R 4096, knowing that the output needs ...
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... The equation to design a bipolar “window” DAC would illustrates how be utilized OUTA DAC (Gain Adjust OUTB DAC (Offset Adjust 0.1uF V – Gain selection ( DAC Bit Resolution Digital value of DAC (0-255) for MCP4901/MCP4902 Digital value of DAC (0-1023) for MCP4911/MCP4912 = Digital value of DAC (0-4095) for MCP4912/MCP4922 and ------------------ – ...
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... MCP4901/4911/4921 6.7 Designing a Double-Precision DAC Example 6-5 illustrates how to design a single-supply voltage output capable 24-bit resolution by using 12-bit DACs. This design is simply a voltage divider with a buffered output example similar application to the one developed in Section 6.5.1 “Design Design a bipolar dac using example 6-3 with 12-bit MCP4912 or MCP4922” ...
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... DAC's setting under known sensor conditions. would sense REF V V OUT DAC SPI V CC 3-wire G = Gain select ( Digital value of DAC (0-255) for MCP4901/MCP4902 n = Digital value of DAC (0-1023) for MCP4911/MCP4912 = Digital value of DAC (0-4095) for MCP4921/MCP4922 N = DAC Bit Resolution REF Load + – ...
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... MCP4901/4911/4921 6.9 Using Multiplier Mode The MCP4901/4911/4921 and MCP4902/MCP4912/ MCP4922 family devices use external reference, and these devices are ideally suited for use as a multiplier/ divider in a signal chain. Common applications are: (a) precision programmable gain/attenuator amplifiers and (b) motor control feedback loops. The wide input range (0V – ...
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... DEVELOPMENT SUPPORT 7.1 Evaluation & Demonstration Boards The Mixed Signal PICtail™ Board supports the MCP4901/4911/4921 family of devices. Please refer to www.microchip.com for further information on this product’s capabilities and availability. 2010 Microchip Technology Inc. MCP4901/4911/4921 DS22248A-page 35 ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 36 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. MCP4901/4911/4921 Example: AHS 010 25 Example: 4901E 010256 Example: MCP4901 e E/P 3 256 1010 Example: MCP4901E 1010 256 DS22248A-page 37 ...
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... MCP4901/4911/4921 /HDG 3ODVWLF 'XDO )ODW 1R /HDG 3DFNDJH 0& ± 1RWH D N NOTE TOP VIEW A3 1RWHV DS22248A-page 38 PP %RG\ >') EXPOSED PAD BOTTOM VIEW A NOTE NOTE 2010 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP4901/4911/4921 PP %RG\ >')1@ DS22248A-page 39 ...
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... MCP4901/4911/4921 /HDG 3ODVWLF 0LFUR 6PDOO 2XWOLQH 3DFNDJH 06 >0623@ 1RWH D N NOTE 1RWHV DS22248A-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. MCP4901/4911/4921 DS22248A-page 41 ...
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... MCP4901/4911/4921 /HDG 3ODVWLF 6PDOO 2XWOLQH 61 ± 1DUURZ 1RWH N NOTE 1RWHV DS22248A-page 42 PP %RG\ >62,& φ α c β 2010 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP4901/4911/4921 PP %RG\ >62,&@ DS22248A-page 43 ...
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... MCP4901/4911/4921 /HDG 3ODVWLF 'XDO ,Q /LQH 3 ± 1RWH N NOTE 1RWHV DS22248A-page 44 PLO %RG\ >3', 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. MCP4901/4911/4921 DS22248A-page 45 ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 46 2010 Microchip Technology Inc. ...
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... Plastic Micro Small Outline (MSOP 8-Lead Plastic Small Outline - Narrow, 150 mil (SOIC 8-Lead Plastic Dual In-Line (PDIP) 2010 Microchip Technology Inc. MCP4901/4911/4921 Examples: a) MCP4901-E/P: b) MCP4901-E/SN: Extended temperature, c) MCP4901T-E/SN: Extended temperature, d) MCP4901-E/MS: Extended temperature, e) MCP4901T-E/MS: Extended temperature, f) MCP4901-E/MC: Extended temperature, (Extended) ...
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... MCP4901/4911/4921 NOTES: DS22248A-page 48 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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