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MCP4251T bảng dữ liệu(PDF) 8 Page - Microchip Technology |
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MCP4251T bảng dữ liệu(HTML) 8 Page - Microchip Technology |
8 / 88 page MCP413X/415X/423X/425X DS22060B-page 8 © 2008 Microchip Technology Inc. Rheostat Differential Non-linearity MCP41X1 (Note 4, Note 8) MCP4XX2 devices only (Note 4) R-DNL -0.5 ±0.25 +0.5 LSb 5 kΩ 8-bit 5.5V, IW = 900 µA -1.0 +0.5 +1.0 LSb 3.0V (Note 7) Section 2.0 1.8V -0.375 ±0.25 +0.375 LSb 7-bit 5.5V, IW = 900 µA -0.75 +0.5 +0.75 LSb 3.0V (Note 7) Section 2.0 1.8V -0.5 ±0.25 +0.5 LSb 10 kΩ 8-bit 5.5V, IW = 450 µA -1.0 +0.25 +1.0 LSb 3.0V (Note 7) Section 2.0 1.8V -0.375 ±0.25 +0.375 LSb 7-bit 5.5V, IW = 450 µA -0.75 +0.5 +0.75 LSb 3.0V (Note 7) Section 2.0 1.8V -0.5 ±0.25 +0.5 LSb 50 kΩ 8-bit 5.5V, IW = 90 µA -0.5 ±0.25 +0.5 LSb 3.0V (Note 7) Section 2.0 1.8V -0.375 ±0.25 +0.375 LSb 7-bit 5.5V, IW = 90 µA -0.375 ±0.25 +0.375 LSb 3.0V (Note 7) Section 2.0 1.8V -0.5 ±0.25 +0.5 LSb 100 kΩ 8-bit 5.5V, IW = 45 µA -0.5 ±0.25 +0.5 LSb 3.0V (Note 7) Section 2.0 1.8V -0.375 ±0.25 +0.375 LSb 7-bit 5.5V, IW = 45 µA -0.375 ±0.25 +0.375 LSb 3.0V (Note 7) 1.8V Capacitance (PA)CAW — 75 — pF f =1 MHz, Code = Full-Scale Capacitance (Pw)CW — 120 — pF f =1 MHz, Code = Full-Scale Capacitance (PB)CBW — 75 — pF f =1 MHz, Code = Full-Scale AC/DC CHARACTERISTICS (CONTINUED) DC Characteristics Standard Operating Conditions (unless otherwise specified) Operating Temperature –40°C ≤ TA ≤ +125°C (extended) All parameters apply across the specified operating ranges unless noted. VDD = +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. Typical specifications represent values for VDD = 5.5V, 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. 3: MCP4XX1 only. 4: MCP4XX2 only, includes VWZSE and VWFSE. 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. 8: The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. |
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Mô tả tương tự - MCP4251T |
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