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AD5941BCPZ Datasheet(PDF) 13 Page - Analog Devices |
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AD5941BCPZ Datasheet(HTML) 13 Page - Analog Devices |
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13 / 134 page  Data Sheet AD5940/AD5941 Rev. C | Page 13 of 134 Parameter Symbol Min Typ Max Unit Test Conditions/Comments Resolution2 12 Bits 1 LSB = 293 µV × programmable gain Differential Nonlinearity2 DNL −0.99 +1.25 LSB Gain = 2 ±7 ±20 LSB Gain = 0.05 Integral Nonlinearity2 INL ±2 ±3 LSB Gain = 2 ±8 ±20 LSB Gain = 0.05 ±0.6 ±3 LSB Gain = 2 Full-Scale Error2, 14 Positive 600 630 650 mV Gain = 2, DAC code = 0xE00 15.1 mV Gain = 0.05, DAC code = 0xE00 Negative −660 −640 −620 mV Gain = 2, DAC code = 0x200 −15.1 mV Gain = 0.05, DAC code = 0x200 Gain Error Drift over Temperature2 Gain = 2 11.5 µV/°C Gain = 0.05 0.33 µV/°C Offset Error (Midscale) Measured at an output of the excitation loop across RCAL; DAC code = 0x800 ±25 mV Gain = 2 ±0.5 mV Gain = 0.05 Offset Error Drift over Temperature Gain = 2 40 µV/°C Gain = 0.05 5 µV/°C DC PSRR2 70 dB DC variation due to AVDD supply changes PGA, Programmable Gain2 0.05 2 Gain Reconstruction Filter 3 dB Corner Frequency Accuracy ±5 % Programmable to 50 kHz, 100 kHz, and 250 kHz Allowed External Load Capacitance2 SE0, DE0, AINx, and RCAL0/RCAL1 pins <80 kHz (Low Power Mode) 100 pF >80 kHz (High Power Mode) 80 pF Overcurrent Limit Protection2 15 mA Amplifier attempts to limit the source/sink current to this value via the internal clamp Allowed Duration of Overcurrent Limit2 5 sec Allowed Frequency of Overcurrent Conditions2 1 Per hour Short-Circuit Protection2 10 mA When amplifier output is shorted to ground SWITCH MATRIX Switches on analog front end before ADC mux On Resistance2 RON Characterized with a voltage sweep from 0 V to AVDD; production tested at 2.8 V Current Carrying Switches 40 80 Ω Tx/TR1 switches, except T5 and T7 30 52 Ω T5 and T7 switches only 35 70 Ω Dx/DR0 switches Noncurrent Carrying Switches 1 5 kΩ Nx/Nxx and Px/Pxx switches DC Off Leakage 370 pA Analog input pin used for test driven to 0.3 V DC On Leakage2 530 2000 pA Analog input pin used for test driven to 0.3 V TEMPERATURE SENSOR Resolution 0.3 °C Accuracy ±2 °C Measurement taken immediately after exiting hibernate mode; user single-point calibration required POWER-ON RESET POR Refers to voltage on DVDD pin POR Trip Level Power-On 1.59 1.62 1.72 V Power-Down2 1.799 1.8 1.801 V POR Hysteresis1 10 mV |
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