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AD7124-4BCPZ-RL Datasheet(PDF) 7 Page - Analog Devices |
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AD7124-4BCPZ-RL Datasheet(HTML) 7 Page - Analog Devices |
7 / 90 page Data Sheet AD7124-4 Rev. A | Page 7 of 90 Parameter1 Min Typ Max Unit Test Conditions/Comments ANALOG INPUTS9 Differential Input Voltage Ranges10 ±VREF/gain V VREF = REFINx(+) − REFINx(−), or internal reference Absolute AIN Voltage Limits2 Gain = 1 (Unbuffered) AVSS − 0.05 AVDD + 0.05 V Gain = 1 (Buffered) AVSS + 0.1 AVDD − 0.1 V Gain > 1 AVSS − 0.05 AVDD + 0.05 V Analog Input Current Gain > 1 or Gain = 1 (Buffered) Low Power Mode Absolute Input Current ±1 nA Differential Input Current ±0.2 nA Analog Input Current Drift 25 pA/°C Mid Power Mode Absolute Input Current ±1.2 nA Differential Input Current ±0.4 nA Analog Input Current Drift 25 pA/°C Full Power Mode Absolute Input Current ±3.3 nA Differential Input Current ±1.5 nA Analog Input Current Drift 25 pA/°C Gain = 1 (Unbuffered) Current varies with input voltage Absolute Input Current ±2.65 µA/V Analog Input Current Drift 1.1 nA/V/°C REFERENCE INPUT Internal Reference Initial Accuracy 2.5 − 0.2% 2.5 2.5 + 0.2% V TA = 25°C Drift 2 10 ppm/°C TSSOP 2 15 ppm/°C LFCSP Output Current 10 mA Load Regulation 50 µV/mA Power Supply Rejection 85 dB External Reference External REFIN Voltage2 1 2.5 AVDD V REFIN = REFINx(+) − REFINx(−) Absolute REFIN Voltage Limits2 AVSS − 0.05 AVDD + 0.05 V Unbuffered AVSS + 0.1 AVDD − 0.1 V Buffered Reference Input Current Buffered Low Power Mode Absolute Input Current ±0.5 nA Reference Input Current Drift 10 pA/°C Mid Power Mode Absolute Input Current ±1 nA Reference Input Current Drift 10 pA/°C Full Power Mode Absolute Input Current ±3 nA Reference Input Current Drift 10 pA/°C Unbuffered Absolute Input Current ±12 µA Reference Input Current Drift 6 nA/°C Normal Mode Rejection Same as for analog inputs Common-Mode Rejection 100 dB |
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