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MCP4021 Datasheet(PDF) 4 Page - Microchip Technology |
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MCP4021 Datasheet(HTML) 4 Page - Microchip Technology |
4 / 64 page MCP4021/2/3/4 DS21945E-page 4 © 2006 Microchip Technology Inc. Rheostat Integral Non-linearity MCP4021 (Note 4, Note 8) MCP4022 and MCP4024 (Note 4) R-INL -0.5 ±0.25 +0.5 LSb -202 devices (2.1 k Ω) 5.5V -8.5 +4.5 +8.5 LSb 2.7V (Note 7) -0.5 ±0.25 +0.5 LSb -502 devices (5 k Ω) 5.5V -5.5 +2.5 +5.5 LSb 2.7V (Note 7) -0.5 ±0.25 +0.5 LSb -103 devices (10 k Ω) 5.5V -3 +1 +3 LSb 2.7V (Note 7) -0.5 ±0.25 +0.5 LSb -503 devices (50 k Ω) 5.5V -1 +0.25 +1 LSb 2.7V (Note 7) Rheostat Differential Non-linearity MCP4021 (Note 4, Note 8) MCP4022 and MCP4024 (Note 4) R-DNL -0.5 ±0.25 +0.5 LSb -202 devices (2.1 k Ω) 5.5V -1 +0.5 +2 LSb 2.7V (Note 7) -0.5 ±0.25 +0.5 LSb -502 devices (5 k Ω) 5.5V -1 +0.25 +1.25 LSb 2.7V (Note 7) -0.5 ±0.25 +0.5 LSb -103 devices (10 k Ω) 5.5V -1 0 +1 LSb 2.7V (Note 7) -0.5 ±0.25 +0.5 LSb -503 devices (50 k Ω) 5.5V -0.5 0 +0.5 LSb 2.7V (Note 7) AC/DC CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise indicated, all parameters apply across the specified operating ranges. TA = -40°C to +125°C, 2.1 kΩ, 5kΩ, 10 kΩ and 50 kΩ devices. Typical specifications represent values for VDD = 5.5V, VSS = 0V, TA = +25°C. Parameters Sym Min Typ Max Units Conditions Note 1: Resistance is defined as the resistance between terminal A to terminal B. 2: INL and DNL are measured at VW with VA = VDD and VB = VSS. (-202 devices VA = 4V). 3: MCP4021/23 only, test conditions are: IW = 1.9 mA, code = 00h. 4: MCP4022/24 only, test conditions are: 5: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. 6: This specification by design 7: Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and temperature. See Section 6.0 “Resistor” for additional information. 8: The MCP4021 is externally connected to match the configurations of the MCP4022 and MCP4024, and then tested. Device Resistance Current at Voltage Comments 5.5V 2.7V 2.1 k Ω 2.25 mA 1.1 mA MCP4022 includes VWZSE MCP4024 includes VWFSE 5k Ω 1.4 mA 450 µA 10 k Ω 450 µA 210 µA 50 k Ω 90 µA 40 µA |
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