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MCP3918 数据表(PDF) 7 Page - Microchip Technology |
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MCP3918 数据表(HTML) 7 Page - Microchip Technology |
7 / 88 page 2014 Microchip Technology Inc. DS20005287A-page 7 MCP3918 TABLE 1-3: SERIAL AC CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, all parameters apply at DVDD = 2.7 to 3.6 V, TA = -40°C to +125°C (Note 1), GAIN = 1, CLOAD =30pF. 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 Output Disable Time tDIS — — 25 ns Reset Pulse Width (RESET) tMCLR 100 — — ns Data Transfer Time to DR (Data Ready) tDODR — — 25 ns Note 2 Modulator Mode Entry to Modulator Data Present tMODSU —— 100 ns Data Ready Pulse Low Time tDRP — 1/(2 x DMCLK) — µs 2-Wire Mode Enable Time tMODE — — 50 ns 2-Wire Mode Watchdog Timer tWATCH 3.5 — 35 µs Note 1: All specifications are valid down to -45°C. 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, Note 2 Storage Temperature Range TA -65 — +150 °C Thermal Package Resistances Thermal Resistance, 20L 4x4 QFN JA —46.2 — °C/W Thermal Resistance, 20L SSOP JA —87.3 — °C/W Note 1: The internal junction temperature (TJ) must not exceed the absolute maximum specification of +150°C. 2: All specifications are valid down to -45°C. |
类似零件编号 - MCP3918 |
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类似说明 - MCP3918 |
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