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MCP4261 bảng dữ liệu(PDF) 5 Page - Microchip Technology |
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MCP4261 bảng dữ liệu(HTML) 5 Page - Microchip Technology |
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5 / 88 page  © 2008 Microchip Technology Inc. DS22059B-page 5 MCP414X/416X/424X/426X Resistance (± 20%) RAB 4.0 5 6.0 kΩ -502 devices (Note 1) 8.0 10 12.0 kΩ -103 devices (Note 1) 40.0 50 60.0 kΩ -503 devices (Note 1) 80.0 100 120.0 kΩ -104 devices (Note 1) Resolution N 257 Taps 8-bit No Missing Codes 129 Taps 7-bit No Missing Codes Step Resistance RS —RAB / (256) — Ω 8-bit Note 6 —RAB / (128) — Ω 7-bit Note 6 Nominal Resistance Match |RAB0 - RAB1| / RAB — 0.2 1.25 % MCP42X1 devices only |RBW0 - RBW1| / RBW —0.25 1.5 % MCP42X2 devices only, Code = Full-Scale Wiper Resistance (Note 3, Note 4) RW — 75 160 Ω VDD = 5.5 V, IW = 2.0 mA, code = 00h — 75 300 Ω VDD = 2.7 V, IW = 2.0 mA, code = 00h Nominal Resistance Tempco ΔRAB/ΔT — 50 — ppm/°C TA = -20°C to +70°C — 100 — ppm/°C TA = -40°C to +85°C — 150 — ppm/°C TA = -40°C to +125°C Ratiometeric Tempco ΔVWB/ΔT — 15 — ppm/°C Code = Midscale (80h or 40h) Resistor Terminal Input Voltage Range (Terminals A, B and W) VA,VW,VB Vss — VDD V Note 5, Note 6 Maximum current through A, W or B IW —— 2.5 mA Note 6 , Worst case current through wiper when wiper is either Full-Scale or Zero Scale. Leakage current into A, W or B IWL —100 — nA MCP4XX1 PxA = PxW = PxB = VSS —100 — nA MCP4XX2 PxB = PxW = VSS 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 |
Số phần tương tự - MCP4261 |
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Mô tả tương tự - MCP4261 |
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