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MCP3202 Datasheet(PDF) 2 Page - Microchip Technology |
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MCP3202 Datasheet(HTML) 2 Page - Microchip Technology |
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2 / 20 page  MCP3202 DS21034A-page 2 Preliminary © 1999 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 Soldering temperature of leads (10 seconds) .. +300°C ESD protection on all pins ................................... > 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 CH0 CH1 CLK D IN D OUT CS/SHDN +2.7V to 5.5V Power Supply and Reference Voltage Input Channel 0 Analog Input Channel 1 Analog Input Serial Clock Serial Data In Serial Data Out Chip Select/Shutdown Input ELECTRICAL CHARACTERISTICS All parameters apply at V DD = 5.5V, VSS = 0V, TAMB = -40°C to +85 °C, fSAMPLE = 100ksps and fCLK = 18*fSAMPLE unless otherwise noted. PARAMETER SYMBOL MIN. TYP. MAX. UNITS CONDITIONS Conversion Rate Conversion Time t CONV 12 clock cycles Analog Input Sample Time t SAMPLE 1.5 clock cycles Throughput Rate f SAMPLE 100 50 ksps ksps V DD = VREF = 5V V DD = VREF = 2.7V DC Accuracy Resolution 12 bits Integral Nonlinearity INL ±0.75 ±1 ±1 ±2 LSB LSB MCP3202-B MCP3202-C Differential Nonlinearity DNL ±0.5 ±1 LSB No missing codes over temperature Offset Error ±1.25 ±3 LSB Gain Error ±1.25 ±5 LSB Dynamic Performance Total Harmonic Distortion -82 dB V IN = 0.1V to 4.9V@1kHz Signal to Noise and Distortion (SINAD) 72 dB V IN = 0.1V to 4.9V@1kHz Spurious Free Dynamic Range 86 dB V IN = 0.1V to 4.9V@1kHz Analog Inputs Input Voltage Range for CH0 or CH1 in Single-Ended Mode V SS V REF V Input Voltage Range for IN+ in Pseudo-Differential Mode IN- V REF+IN- See Sections 3.1 and 4.1 Input Voltage Range for IN- in Pseudo-Differential Mode V SS-100 V SS+100 mV See Sections 3.1 and 4.1 Leakage Current .001 ±1 µA Switch Resistance R SS 1K Ω See Figure 4-1 Sample Capacitor C SAMPLE 20 pF See Figure 4-1 |
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