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MCP40D17 Datasheet(PDF) 8 Page - Microchip Technology |
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MCP40D17 Datasheet(HTML) 8 Page - Microchip Technology |
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8 / 66 page  MCP40D17/18/19 DS22152B-page 8 © 2009 Microchip Technology Inc. Digital Inputs/Outputs (SDA, SCK) Schmitt Trigger High Input Threshold VIH 0.7 VDD —— V 1.8V ≤ V DD ≤ 5.5V Schmitt Trigger Low Input Threshold VIL -0.5 — 0.3VDD V Hysteresis of Schmitt Trigger Inputs (Note 5) VHYS —0.1VDD — V All inputs except SDA and SCL N.A. — — V SDA and SCL 100 kHz VDD < 2.0V N.A. — — V VDD ≥ 2.0V 0.1 VDD —— V 400 kHz VDD < 2.0V 0.05 VDD —— V VDD ≥ 2.0V Output Low Voltage (SDA) VOL VSS —0.2VDD VVDD < 2.0V, IOL = 1 mA VSS —0.4 V VDD ≥ 2.0V, IOL = 3 mA Input Leakage Current IIL -1 — 1 µA VIN = VDD and VIN = VSS Pin Capacitance CIN, COUT —10 — pF fC = 400 kHz RAM (Wiper) Value Value Range N 0h — 7Fh hex Wiper POR/BOR Value NPOR/BOR 3Fh hex Power Requirements Power Supply Sensitivity (MCP40D18 only) PSS — 0.0005 0.0035 %/% VDD = 2.7V to 5.5V, VA = 2.7V, Code = 3Fh AC/DC CHARACTERISTICS (CONTINUED) DC Characteristics Standard Operating Conditions (unless otherwise specified) Operating Temperature –40°C ≤ T A ≤ +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: MCP40D18 device only, includes VWZSE and VWFSE. 4: Resistor terminals A, W and B’s polarity with respect to each other is not restricted. 5: This specification by design. 6: Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and temperature. 7: POR/BOR is not rate dependent. 8: Supply current is independent of current through the resistor network |
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