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MCP3002-I/MS 数据表(PDF) 4 Page - Microchip Technology |
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MCP3002-I/MS 数据表(HTML) 4 Page - Microchip Technology |
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4 / 34 page  MCP3002 DS21294D-page 4 © 2008 Microchip Technology Inc. Digital Input/Output: Data Coding Format Straight Binary High Level Input Voltage VIH 0.7 VDD —— V Low Level Input Voltage VIL — — 0.3 VDD V High Level Output Voltage VOH 4.1 — — V IOH = -1 mA, VDD = 4.5V Low Level Output Voltage VOL —— 0.4 V IOL = 1 mA, VDD = 4.5V Input Leakage Current ILI -10 — 10 µA VIN = VSS or VDD Output Leakage Current ILO -10 — 10 µA VOUT = VSS or VDD Pin Capacitance (All Inputs/Outputs) CIN, COUT — — 10 pF VDD = 5.0V (Note 1) TA = 25°C, f = 1 MHz Timing Parameters: Clock Frequency fCLK — — — — 3.2 1.2 MHz MHz VDD = 5V (Note 2) VDD = 2.7V (Note 2) Clock High Time tHI 140 — — ns Clock Low Time tLO 140 — — ns CS Fall To First Rising CLK Edge tSUCS 100 — — ns Data Input Setup Time tSU 50 — — ns Data Input Hold Time tHD 50 — — ns CLK Fall To Output Data Valid tDO — — — — 125 200 ns ns VDD = 5V, see Figure 1-2 VDD = 2.7V, see Figure 1-2 CLK Fall To Output Enable tEN — — 125 200 ns ns VDD = 5V, see Figure 1-2 VDD = 2.7V, see Figure 1-2 CS Rise To Output Disable tDIS — — 100 ns See Test Circuits, Figure 1-2 Note 1 CS Disable Time tCSH 310 — — ns D OUT Rise Time tR — — 100 ns See Test Circuits, Figure 1-2 Note 1 D OUT Fall Time tF — — 100 ns See Test Circuits, Figure 1-2 Note 1 Power Requirements: Operating Voltage VDD 2.7 — 5.5 V Operating Current IDD — — 525 300 650 — µA VDD = 5.0V, DOUT unloaded VDD = 2.7V, DOUT unloaded Standby Current IDDS — 0.005 2 µA CS = VDD = 5.0V ELECTRICAL CHARACTERISTICS (CONTINUED) All parameters apply at VDD = 5V, TA = -40°C to +85°C, fSAMPLE = 200 ksps and fCLK = 16*fSAMPLE, unless otherwise noted. Typical values apply for VDD = 5V, TA = +25°C, unless otherwise noted. PARAMETER SYM MIN TYP MAX UNITS CONDITIONS Note 1: This parameter is established by characterization and not 100% tested. 2: The sample cap will eventually lose charge, especially at elevated temperatures, therefore fCLK ≥10 kHz for temperatures at or above 70°C. |
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