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AT32UC3A0512 Datasheet(PDF) 49 Page - ATMEL Corporation |
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AT32UC3A0512 Datasheet(HTML) 49 Page - ATMEL Corporation |
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49 / 98 page  49 AT32UC3A 12.8 ADC Characteristics Notes: 1. Corresponds to 13 clock cycles at 5 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for conversion. 2. Corresponds to 15 clock cycles at 8 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for conversion. Note: ADVREF should be connected to GND to avoid extra consumption in case ADC is not used. Table 12-17. Channel Conversion Time and ADC Clock Parameter Conditions Min Typ Max Units ADC Clock Frequency 10-bit resolution mode 5 MHz ADC Clock Frequency 8-bit resolution mode 8 MHz Startup Time Return from Idle Mode 20 µs Track and Hold Acquisition Time 600 ns Conversion Time ADC Clock = 5 MHz 2 µs Conversion Time ADC Clock = 8 MHz 1.25 µs Throughput Rate ADC Clock = 5 MHz 384 (1) kSPS Throughput Rate ADC Clock = 8 MHz 533(2) kSPS Table 12-18. External Voltage Reference Input Parameter Conditions Min Typ Max Units ADVREF Input Voltage Range 2.6 VDDANA V ADVREF Average Current On 13 samples with ADC Clock = 5 MHz 200 250 µA Current Consumption on VDDANA 1.25 mA Table 12-19. Analog Inputs Parameter Min Typ Max Units Input Voltage Range 0V ADVREF Input Leakage Current 1 µA Input Capacitance 17 pF Table 12-20. Transfer Characteristics in 8-bit mode Parameter Conditions Min Typ Max Units Resolution 8Bit Absolute Accuracy f=5MHz 0.8 LSB f=8MHz 1.5 LSB Integral Non-linearity f=5MHz 0.35 0.5 LSB f=8MHz 0.5 1.0 LSB Differential Non-linearity f=5MHz 0.3 0.5 LSB f=8MHz 0.5 1.0 LSB Offset Error f=5MHz -0.5 0.5 LSB Gain Error f=5MHz -0.5 0.5 LSB 32058KS–AVR32–01/12 |
Similar Part No. - AT32UC3A0512_14 |
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Similar Description - AT32UC3A0512_14 |
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