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MCP3002 Fiches technique(PDF) 2 Page - Microchip Technology |
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MCP3002 Fiches technique(HTML) 2 Page - Microchip Technology |
2 / 28 page MCP3002 DS21294C-page 2 © 2007 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* V DD......................................................................... 7.0V All inputs and outputs w.r.t. V SS ...... -0.6V to VDD +0.6V Storage temperature ..........................-65°C to +150°C Ambient temp. with power applied .....-65°C to +125°C ESD protection on all pins (HBM)........................ > 4kV *Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended peri- ods may affect device reliability. PIN FUNCTION TABLE Name Function V DD/VREF +2.7V to 5.5V Power Supply and Reference Voltage Input CH0 Channel 0 Analog Input CH1 Channel 1 Analog Input CLK Serial Clock DIN Serial Data In D OUT Serial Data Out CS/SHDN Chip Select/Shutdown Input ELECTRICAL CHARACTERISTICS All parameters apply at V DD = 5V, TAMB = -40°C to +85 °C, fSAMPLE = 200 ksps and fCLK = 16*fSAMPLE unless otherwise noted. Typical values apply for V DD = 5V, TAMB = 25 °C unless otherwise noted. PARAMETER SYM MIN TYP MAX UNITS CONDITIONS Conversion Rate: Conversion Time t CONV — — 10 clock cycles Analog Input Sample Time t SAMPLE 1.5 clock cycles Throughput Rate f SAMPLE — — 200 75 ksps ksps V DD = 5V V DD = 2.7V DC Accuracy: Resolution 10 bits Integral Nonlinearity INL — ±0.5 ±1 LSB Differential Nonlinearity DNL — ±0.25 ±1 LSB No missing codes over temperature Offset Error — — ±1.5 LSB Gain Error — — ±1 LSB Dynamic Performance: Total Harmonic Distortion THD — -76 — dB V IN = 0.1V to 4.9V@1 kHz Signal to Noise and Distortion (SINAD) SINAD — 61 — dB V IN = 0.1V to 4.9V@1 kHz Spurious Free Dynamic Range SFDR — 78 — dB V IN = 0.1V to 4.9V@1 kHz Analog Inputs: Input Voltage Range for CH0 or CH1 in Single-Ended Mode V SS —VDD V Input Voltage Range for IN+ In pseudo-differential Mode IN+ IN- — VDD+IN- Input Voltage Range for IN- In pseudo-differential Mode IN- V SS-100 — V SS+100 mV Leakage Current — 0.001 ±1 µA Switch Resistance R SS —1K — Ω See Figure 4-1 Sample Capacitor C SAMPLE — 20 — pF See Figure 4-1 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 f CLK ≥10 kHz for temperatures at or above 70°C. |
Numéro de pièce similaire - MCP3002_07 |
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Description similaire - MCP3002_07 |
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