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ADUCM310 датащи(PDF) 9 Page - Analog Devices |
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ADUCM310 датащи(HTML) 9 Page - Analog Devices |
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9 / 28 page ![]() ADuCM310 Data Sheet Rev. B Page 8 of 27 Parameter Min Typ Max Unit Test Conditions/Comments IDAC2 and IDAC3 −3501 +2801 µA −460 +300 µA Pull-Down Current for IDAC2 −300 −288 −160 µA Zero-Scale Error Drift2 IDAC0 and IDAC1 −8501 ±300 +12001 nA/°C −1400 ±300 +1400 nA/°C IDAC4 and IDAC5 −120 ±50 +2051 nA/°C −120 ±50 +230 nA/°C IDAC2 and IDAC3 ±1 µA/°C Settling Time IDAC0, IDAC1, IDAC2, and IDAC3 1 ms To 0.1%, IDACxCON[5:2] = 0101b, ±1 mA change in output current IDAC4 and IDAC5 2 ms IDAC0, IDAC1, IDAC2, and IDAC3 250 µs To 1%, IDACxCON[5:2] = 0101b, ±1 mA change in output current IDAC4 and IDAC5 1.2 ms IDAC0, IDAC1, IDAC2, and IDAC3 50 µs To 1%, IDACxCON[5:2] = 0000b, ±1 mA change in output current IDAC4 and IDAC5 1.1 ms IDAC3 Switching Time2 1 µs Time to switch from current source to current sink Transconductance Analog input signal coupled on to CDAMP_IDACx pin via 1 nF capacitor; frequency range = 100 kHz to 1000 kHz; voltage is the peak to peak voltage on the CDAMP_IDACx pin of the associated IDAC; current is peak-to-peak current change IDAC0 and IDAC1 7.99/100 mA/mV IDAC2 12.6/100 mA/mV IDAC3 18.6/100 mA/mV IDAC4 and IDAC5 1.16/100 mA/mV IDAC Shutdown Temperature 125 °C Die temperature; enabled via IDACxCON[6] VDAC CHANNEL SPECIFICATIONS6, 9, 10 DC Accuracy Resolution 12 Bits Relative Accuracy VDAC0, VDAC1, and VDAC2 −6.3 ±1 +10 LSB VDAC4 and VDAC5 −7.3 ±2 +11 LSB VDAC3, VDAC6, and VDAC7 −7 ±2 +8.5 LSB Differential Nonlinearity −0.99 ±0.6 +1 LSB Guaranteed monotonic Offset Error Calculated ±5 mV 2.5 V internal reference Actual Measured at Code 0 VDAC0, VDAC1, VDAC4, and VDAC5 4 7 mV VDAC6 and VDAC7 15 22 mV VDAC2 and VDAC3 −30 −20 mV Full-Scale Error ±0.71 % of full scale For VDAC2, VDAC3, VDAC4, VDAC5, and VDAC6 ±0.9 % of full scale For VDAC2, VDAC3, VDAC4, VDAC5, and VDAC6 VDAC0, VDAC1, and VDAC72 ±0.71 % With 500 Ω load ±0.9 % With 500 Ω load |
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