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MCP4641 数据表(PDF) 12 Page - Microchip Technology |
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MCP4641 数据表(HTML) 12 Page - Microchip Technology |
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12 / 102 page  MCP454X/456X/464X/466X DS22107B-page 12 2008-2013 Microchip Technology Inc. Output Low Voltage (SDA) VOL VSS —0.2VDD VVDD < 2.0V, IOL = 1 mA VSS —0.4 V VDD 2.0V, IOL = 3 mA Weak Pull-up / Pull-down Current IPU — — 1.75 mA Internal VDD pull-up, VIHH pull-down VDD = 5.5V, VIHH = 12.5V — 170 — µA HVC pin, VDD = 5.5V, VHVC = 3V HVC Pull-up / Pull-down Resistance RHVC —16 — k VDD = 5.5V, VHVC = 3V Input Leakage Cur- rent IIL -1 — 1 µA VIN = VDD and VIN = VSS Pin Capacitance CIN, COUT —10 — pF fC = 3.4 MHz RAM (Wiper) Value Value Range N 0h — 1FFh hex 8-bit device 0h — 1FFh hex 7-bit device TCON POR/BOR Value NTCON 1FFh hex All Terminals connected EEPROM Endurance Endurance —1M — Cycles EEPROM Range N 0h — 1FFh hex Initial Factory Setting N 80h hex 8-bit WiperLock Technology = Off 40h hex 7-bit WiperLock Technology = Off EEPROM Programming Write Cycle Time tWC —5 10 ms Power Requirements Power Supply Sensitivity (MCP45X2 and MCP46X2 only) PSS — 0.0015 0.0035 %/% 8-bit VDD = 2.7V to 5.5V, VA = 2.7V, Code = 80h — 0.0015 0.0035 %/% 7-bit VDD = 2.7V to 5.5V, VA = 2.7V, Code = 40h 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 k, 10 k, 50 k, 100 k 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 overvoltage and temperature. 8: The MCP4XX1 is externally connected to match the configurations of the MCP45X2 and MCP46X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. 11: When HVC/A0 = VIHH, the IDD current is less due to current into the HVC/A0 pin. See IPU specification. |
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