Datasheet MCP4901, MCP4911, MCP4921 (Microchip) - 5

link to page 3 link to page 3 link to page 3 link to page 3
MCP4901/4911/4921 ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE Electrical Specifications:
Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V, Output Buffer Gain (G) = 2x, RL = 5 k to GND, CL = 100 pF. Typical values are at +125°C by characterization or simulation.
Parameters Sym Min Typ Max Units Conditions Power Requirements
Input Voltage VDD 2.7 — 5.5 Input Current IDD — 200 — µA VREF input is unbuffered, all digi- tal inputs are grounded, all analog outputs (VOUT) are unloaded. Code = 0x000h Software Shutdown Current ISHDN_SW — 5 — µA Power-on Reset Threshold VPOR — 1.85 — V
DC Accuracy MCP4901
Resolution n 8 — — Bits INL Error INL ±0.25 LSb DNL

DNL ±0.2 LSb
Note 1 MCP4911
Resolution n 10 — — Bits INL Error INL ±1 LSb DNL DNL ±0.2 LSb
Note 1 MCP4921
Resolution n 12 — — Bits INL Error INL ±4 LSb DNL DNL ±0.25 LSb
Note 1
Offset Error VOS — ±0.02 — % of FSR Code = 0x000h Offset Error Temperature VOS/°C — -5 — ppm/°C +25°C to +125°C Coefficient Gain Error gE — -0.10 — % of FSR Code = 0xFFFh, not including offset error Gain Error Temperature G/°C — -3 — ppm/°C Coefficient
Input Amplifier (VREF Input)
Input Range – Buffered VREF — 0.040 to — V
Note 1
Mode VDD- Code = 2048, 0.040 VREF = 0.2 Vp-p, f = 100 Hz and 1 kHz Input Range – Unbuffered VREF 0 — VDD V Mode Input Impedance RVREF — 174 — k Unbuffered Mode Input Capacitance – CVREF — 7 — pF Unbuffered Mode Multiplying Mode fVREF — 450 — kHz VREF = 2.5V ±0.1 Vp-p, -3 dB Bandwidth Unbuffered, G = 1x fVREF — 400 — kHz VREF = 2.5V ±0.1 Vp-p, Unbuffered, G = 2x
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.  2010 Microchip Technology Inc. DS22248A-page 5 Document Outline 1.0 Electrical Characteristics FIGURE 1-1: SPI Input Timing Data. 2.0 Typical Performance Curves FIGURE 2-1: DNL vs. Code (MCP4921). FIGURE 2-2: DNL vs. Code and Temperature (MCP4921). FIGURE 2-3: DNL vs. Code and VREF, Gain=1 (MCP4921). FIGURE 2-4: Absolute DNL vs. Temperature (MCP4921). FIGURE 2-5: Absolute DNL vs. Voltage Reference (MCP4921). FIGURE 2-6: INL vs. Code and Temperature (MCP4921). FIGURE 2-7: Absolute INL vs. Temperature (MCP4921). FIGURE 2-8: Absolute INL vs. VREF (MCP4921). FIGURE 2-9: INL vs. Code and VREF (MCP4921). FIGURE 2-10: INL vs. Code (MCP4921). FIGURE 2-11: DNL vs. Code and Temperature (MCP4911). FIGURE 2-12: INL vs. Code and Temperature (MCP4911). FIGURE 2-13: DNL vs. Code and Temperature (MCP4901). FIGURE 2-14: INL vs. Code and Temperature (MCP4901). FIGURE 2-15: IDD vs. Temperature and VDD. FIGURE 2-16: IDD Histogram (VDD = 2.7V). FIGURE 2-17: IDD Histogram (VDD = 5.0V). FIGURE 2-18: Shutdown Current vs. Temperature and VDD. FIGURE 2-19: Offset Error vs.Temperature and VDD. FIGURE 2-20: Gain Error vs. Temperature and VDD. FIGURE 2-21: VIN High Threshold vs. Temperature and VDD. FIGURE 2-22: VIN Low Threshold vs. Temperature and VDD. FIGURE 2-23: Input Hysteresis vs. Temperature and VDD. FIGURE 2-24: VREF Input Impedance vs. Temperature and VDD. FIGURE 2-25: VOUT High Limit vs. Temperature and VDD. FIGURE 2-26: VOUT Low Limit vs. Temperature and VDD. FIGURE 2-27: IOUT High Short vs. Temperature and VDD. FIGURE 2-28: IOUT vs. VOUT. Gain = 1. FIGURE 2-29: VOUT Rise Time FIGURE 2-30: VOUT Fall Time. FIGURE 2-31: VOUT Rise Time FIGURE 2-32: VOUT Rise Time FIGURE 2-33: VOUT Rise Time Exit Shutdown. FIGURE 2-34: PSRR vs. Frequency. FIGURE 2-35: Multiplier Mode Bandwidth. FIGURE 2-36: -3 db Bandwidth vs. Worst Codes. FIGURE 2-37: Phase Shift. 3.0 Pin Descriptions TABLE 3-1: Pin Function Table 3.1 Supply Voltage Pins (VDD, VSS) 3.2 Chip Select (CS) 3.3 Serial Clock Input (SCK) 3.4 Serial Data Input (SDI) 3.5 Latch DAC Input (LDAC) 3.6 Analog Output (VOUT) 3.7 Voltage Reference Input (VREF) 3.8 Exposed Thermal Pad (EP) 4.0 General Overview TABLE 4-1: LSb of each device 4.1 DC Accuracy FIGURE 4-1: Example for INL Error. FIGURE 4-2: Example for DNL Accuracy. 4.2 Circuit Descriptions FIGURE 4-3: Typical Transient Response. FIGURE 4-4: Output Stage for Shutdown Mode. 5.0 Serial Interface 5.1 Overview 5.2 Write Command FIGURE 5-1: Write Command for MCP4921 (12-bit DAC). FIGURE 5-2: Write Command for MCP4911 (10-bit DAC). Note: X are don’t care bits. FIGURE 5-3: Write Command for MCP4901(8-bit DAC). Note: X are don’t care bits. 6.0 Typical Applications 6.1 Digital Interface 6.2 Power Supply Considerations FIGURE 6-1: Typical Connection Diagram. 6.3 Layout Considerations 6.4 Single-Supply Operation 6.5 Bipolar Operation 6.6 Selectable Gain and Offset Bipolar Voltage Output Using DAC Devices 6.7 Designing a Double-Precision DAC 6.8 Building Programmable Current Source 6.9 Using Multiplier Mode 7.0 Development support 7.1 Evaluation & Demonstration Boards 8.0 Packaging Information 8.1 Package Marking Information Corporate Office Atlanta Boston Chicago Cleveland Fax: 216-447-0643 Dallas Detroit Kokomo Toronto Fax: 852-2401-3431 Australia - Sydney China - Beijing China - Shanghai India - Bangalore Korea - Daegu Korea - Seoul Singapore Taiwan - Taipei Fax: 43-7242-2244-393 Denmark - Copenhagen France - Paris Germany - Munich Italy - Milan Spain - Madrid UK - Wokingham Worldwide Sales and Service