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ADP1052ACPZ-R7 Folha de dados(PDF) 6 Page - Analog Devices |
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ADP1052ACPZ-R7 Folha de dados(HTML) 6 Page - Analog Devices |
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6 / 113 page  ADP1052 Data Sheet Rev. B | Page 6 of 113 Parameter Symbol Min Typ Max Unit Test Conditions/Comments CS31 Measurement and Digital Comparator Triggers CS3_OC_FAULT flag Register Update Rate 10 ms Comparator Speed 10 ms CS2+, CS2− CURRENT SENSE PINS Input Voltage Range VIN 0 120 mV Differential voltage from CS2+ to CS2− Common-Mode Voltage at CS2+ and CS2− 0.8 1.15 1.4 V To achieve CS2 current measurement accuracy Current Sink (High-Side Mode) 1.87 1.915 1.96 mA Source (Low-Side Mode) 195 225 255 μA Temperature Coefficient 95 ppm/°C CS2 ADC Valid Input Voltage Range 0 120 mV ADC Clock Frequency 1.56 MHz Measurement Resolution 12 Bits Current Measurement Sense Accuracy Low-Side Mode 4.99 kΩ (0.01%) level shift resistors −1.9 +1.9 % FSR From 0 mV to 110 mV −2.28 +2.28 mV −6.1 +1.4 % FSR From 110 mV to 120 mV −7.32 +1.68 mV High-Side Mode With CS2 high-side factory trim values loaded; 4.99 kΩ (0.01%) level shift resistors; VOUT = 11 V −1.6 +2.3 % FSR From 0 mV to 110 mV −1.92 +2.76 mV −5.3 +0.7 % FSR From 110 mV to 120 mV −6.36 +0.84 mV CS2 OCP Digital Comparator Triggers IOUT_OC_FAULT flag Threshold Accuracy Same as CS2 ADC low-side and high-side mode current measurement sense accuracy values Comparator Update Speed 82 µs When set to the 7-bit averaging speed 328 µs When set to the 9-bit averaging speed CS2 Reverse Current Comparator Triggers SR_RC_FAULT flag Threshold Accuracy −8.5 −3 +3 mV SR_RC_FAULT_LIMIT set to −3 mV −11.5 −6 0 mV SR_RC_FAULT_LIMIT set to −6 mV −14 −9 −3 mV SR_RC_FAULT_LIMIT set to −9 mV −17 −12 −6 mV SR_RC_FAULT_LIMIT set to −12 mV −21 −15 −9 mV SR_RC_FAULT_LIMIT set to −15 mV −24 −18 −12 mV SR_RC_FAULT_LIMIT set to −18 mV −27 −21 −15 mV SR_RC_FAULT_LIMIT set to −21 mV −30 −24 −18 mV SR_RC_FAULT_LIMIT set to −24 mV Propagation Delay 110 150 ns Debounce time = 40 ns RTD TEMPERATURE SENSE PIN Input Voltage Range VIN 0 1.6 V Voltage from RTD to AGND Source Current 44.6 46 47.3 μA Register 0xFE2D = 0xE6, factory default setting 38.6 40 42 μA Register 0xFE2D = 0xB0 28.6 30 31.8 μA Register 0xFE2D = 0x80 18.6 20 21.6 μA Register 0xFE2D = 0x40 9.1 10 11 μA Register 0xFE2D = 0x00 |
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