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MCP4432-103E/ML 数据表(PDF) 11 Page - Microchip Technology |
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MCP4432-103E/ML 数据表(HTML) 11 Page - Microchip Technology |
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11 / 94 page  2010 Microchip Technology Inc. DS22267A-page 11 MCP443X/5X Weak Pull-up Current IPU — — 1.75 mA Internal VDD pull-up, VIHH pull-down, VDD = 5.5V, VHVC = 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 RESET Pull-up Resistance RRESET —16 — k VDD = 5.5V, VRESET = 0V Input Leakage Current IIL -1 — 1 µA VIN = VDD (all pins) and VIN = VSS (all pins except RESET) Pin Capacitance CIN, COUT —10 — pF fC = 20 MHz 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 RAM (Wiper, TCON) Value Value Range N 0h — 1FFh hex 8-bit device 0h — 1FFh hex 7-bit device TCON POR/BOR Setting 1FF hex All Terminals connected Power Requirements Power Supply Sensitivity (MCP44X1) 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 TA +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: MCP44X1 only. 4: MCP44X2 only, includes VWZSE and VWFSE. 5: Polarity of resistor terminals A, W and B, 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 MCP44X1 is externally connected to match the configurations of the MCP44X2, 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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