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ADPD188GG-ACEZR7 数据表(PDF) 5 Page - Analog Devices |
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ADPD188GG-ACEZR7 数据表(HTML) 5 Page - Analog Devices |
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5 / 61 page ![]() Data Sheet ADPD188GG Rev. B | Page 5 of 61 ANALOG SPECIFICATIONS VDD1 = VDD2 = 1.8 V, and TA = full operating temperature range, unless otherwise noted. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit EXT_INx SERIES RESISTANCE (R_IN)1 Measured from −3 µA to +3 µA 6.5 kΩ PULSED SIGNAL CONVERSIONS, 3 μs WIDE LED PULSE2 4 μs wide AFE integration; normal operation, Register 0x43 and Register 0x45 = 0xADA5 ADC Resolution3 TIA feedback resistor 25 kΩ 3.27 nA/LSB 50 kΩ 1.64 nA/LSB 100 kΩ 0.82 nA/LSB 200 kΩ 0.41 nA/LSB ADC Saturation Level TIA feedback resistor 25 kΩ 26.8 μA 50 kΩ 13.4 μA 100 kΩ 6.7 μA 200 kΩ 3.35 μA Ambient Signal Headroom on Pulsed Signal TIA feedback resistor 25 kΩ 23.6 μA 50 kΩ 11.8 μA 100 kΩ 5.9 μA 200 kΩ 2.95 μA PULSED SIGNAL CONVERSIONS, 2 μs WIDE LED PULSE2 3 μs wide AFE integration; normal operation, Register 0x43 and Register 0x45 = 0xADA5 ADC Resolution3 TIA feedback resistor 25 kΩ 4.62 nA/LSB 50 kΩ 2.31 nA/LSB 100 kΩ 1.15 nA/LSB 200 kΩ 0.58 nA/LSB ADC Saturation Level TIA feedback resistor 25 kΩ 37.84 μA 50 kΩ 18.92 μA 100 kΩ 9.46 μA 200 kΩ 4.73 μA Ambient Signal Headroom on Pulsed Signal TIA feedback resistor 25 kΩ 12.56 μA 50 kΩ 6.28 μA 100 kΩ 3.14 μA 200 kΩ 1.57 μA FULL SIGNAL CONVERSIONS4 TIA Saturation Level 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 TIA Linear Range TIA feedback resistor 25 kΩ 42.8 μA 50 kΩ 21.4 μA 100 kΩ 10.7 μA 200 kΩ 5.4 μA |
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