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MCP3919B データシート(PDF) 8 Page - Microchip Technology |
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MCP3919B データシート(HTML) 8 Page - Microchip Technology |
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8 / 81 page  MCP3919B DS20006995A-page 8 2025 Microchip Technology Inc. and its subsidiaries TABLE 1-3: SERIAL AC CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, all parameters apply at DVDD = 2.7 to 3.6V; TA = -40°C to +125°C; GAIN = 1; CLOAD = 30 pF. Characteristic Sym. Min. Typ. Max. Units Conditions Serial Clock Frequency fSCK —— 20 MHz CS Setup Time tCSS 25 — — ns CS Hold Time tCSH 50 — — ns CS Disable Time tCSD 50 — — ns Data Setup Time tSU 5— — ns Data Hold Time tHD 10 — — ns Serial Clock High Time tHI 20 — — ns Serial Clock Low Time tLO 20 — — ns Serial Clock Delay Time tCLD 50 — — ns Serial Clock Enable Time tCLE 50 — — ns Output Valid from SCK Low tDO —— 25 ns Output Hold Time tHO 0— — ns Note 1 Output Disable Time tDIS —— 25 ns Note 1 Reset Pulse Width (RESET)tMCLR 100 — — ns Data Transfer Time to DR (Data Ready) tDODR —— 25 ns Note 2 Data Ready Pulse Low Time tDRP — 1/(2 x DMCLK) — µs Two-Wire Mode Enable Time tMODE —— 50 ns Two-Wire Mode Watchdog Timer tWATCH 3.6 — 35 µs Note 1: This parameter is periodically sampled and not 100% tested. 2: This parameter is established by characterization and not production tested. TABLE 1-4: TEMPERATURE SPECIFICATIONS Electrical Specifications: Unless otherwise indicated, all parameters apply at AVDD = 2.7 to 3.6V; DVDD = 2.7 to 3.6V. Parameters Sym. Min. Typ. Max. Units. Conditions Temperature Ranges Operating Temperature Range TA -40 — +125 °C Note 1 Storage Temperature Range TA -65 — +150 °C Thermal Package Resistances Thermal Resistance, 28-Lead SSOP JA —80 — °C/W Thermal Resistance, 28-Lead QFN JA —41 — °C/W Note 1: The internal junction temperature (TJ) must not exceed the absolute maximum specification of +150°C. |
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