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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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ADPD103BCPZ Arkusz danych(PDF) 7 Page - Analog Devices |
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ADPD103BCPZ Arkusz danych(HTML) 7 Page - Analog Devices |
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7 / 53 page  ADPD103 Data Sheet Rev. B | Page 6 of 52 ANALOG SPECIFICATIONS AVDD = DVDD = 1.8 V, TA = full operating temperature range, unless otherwise noted. Compensation of the AFE offset is explained in the AFE Operation section. Table 4. Parameter Test Conditions/Comments Min Typ Max Unit INPUT CAPACITANCE 100 pF PULSED SIGNAL CONVERSIONS, 3 μs WIDE LED PULSE1 4 μs wide AFE integration; normal operation, Register 0x43 (Time Slot A) and Register 0x45 (Time Slot B) = 0xADA5 ADC Resolution2 Transimpedance amplifier (TIA) feedback resistor 25 kΩ 1.64 nA/LSB 50 kΩ 0.82 nA/LSB 100 kΩ 0.41 nA/LSB 200 kΩ 0.2 nA/LSB ADC Saturation Level TIA feedback resistor 25 kΩ 13.4 μA 50 kΩ 6.7 μA 100 kΩ 3.35 μA 200 kΩ 1.67 μA Ambient Signal Headroom on Pulsed Signal TIA feedback resistor 25 kΩ 37 μA 50 kΩ 18.5 μA 100 kΩ 9.25 μA 200 kΩ 4.63 μA PULSED SIGNAL CONVERSIONS, 2 μs WIDE LED PULSE1 3 μs wide AFE integration; normal operation, Register 0x43 (Time Slot A) and Register 0x45 (Time Slot B) = 0xADA5 ADC Resolution2 TIA feedback resistor 25 kΩ 2.31 nA/LSB 50 kΩ 1.15 nA/LSB 100 kΩ 0.58 nA/LSB 200 kΩ 0.29 nA/LSB ADC Saturation Level TIA feedback resistor 25 kΩ 18.9 μA 50 kΩ 9.46 μA 100 kΩ 4.73 μA 200 kΩ 2.37 μA Ambient Signal Headroom on Pulsed Signal TIA feedback resistor 25 kΩ 31.5 μA 50 kΩ 15.7 μA 100 kΩ 7.87 μA 200 kΩ 3.93 μA FULL SIGNAL CONVERSIONS3 TIA Saturation Level of Pulsed Signal and Ambient Level TIA feedback resistor 25 kΩ 50.4 μA 50 kΩ 25.2 μA 100 kΩ 12.6 μA 200 kΩ 6.3 μA |
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