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MCP47DA1 bảng dữ liệu(PDF) 7 Page - Microchip Technology |
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MCP47DA1 bảng dữ liệu(HTML) 7 Page - Microchip Technology |
7 / 76 page 2012-2013 Microchip Technology Inc. DS25118D-page 7 MCP47DA1 Digital Inputs/Outputs (SDA, SCK) Schmitt Trigger High Input Threshold VIH 0.7 VDD —— V 2.7V VDD 5.5V Schmitt Trigger Low Input Threshold VIL -0.5 — 0.3VDD V Hysteresis of Schmitt Trigger Inputs (Note 3) 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 VD D —— 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 VREF = VDD and VREF = VSS Pin Capacitance CIN, COUT —10 — pF fC = 400 kHz RAM (Wiper) Value Value Range N 0h — 7Fh hex Zero Scale = 00h thru 20h, Full Scale = 60h thru 7Fh Wiper POR/BOR Value NPOR/BOR 40h hex Power Requirements Power Supply Sensitivity PSS — 0.0015 0.0035 %/% VDD = 2.7V to 5.5V, VREF = 1.65V, 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. CL = 1 nF, RL = 5 k . 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 the VREF pin and the VSS pin. 2: INL and DNL are measured at VOUT from Code = 20h (Zero Scale) through Code = 60h (Full Scale). 3: This specification by design. 4: Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and temperature. 5: POR/BOR is not rate dependent. 6: Supply current is independent of VREF current. 7: See Section 7.1.3. |
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