Datasheet AD7865 (Analog Devices) - 3

AD7865–SPECIFICATIONS (VDD = 5 V 5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal; all specifi- cations TMIN to TMAX unless otherwise noted.) Parameter A, Y Versions1 B Version Unit Test Conditions/Comments
SAMPLE AND HOLD –3 dB Full Power Bandwidth 3 3 MHz typ Aperture Delay 20 20 ns max Aperture Jitter 50 50 ps typ Aperture Delay Matching 4 4 ns max DYNAMIC PERFORMANCE2 fIN = 100 kHz, fS = 350 kSPS Signal to (Noise + Distortion) Ratio3 @ 25°C AD7865-1, AD7865-3 78 78 dB min Typically 80 dB AD7865-2 77 77 dB min Typically 78 dB TMIN to TMAX AD7865-1, AD7865-3 77 77 dB min AD7865-2 76 76 dB min Total Harmonic Distortion3, 4 –86 –86 dB max Peak Harmonic or Spurious Noise3, 4 –86 –86 dB max Intermodulation Distortion3 fa = 49 kHz, fb = 50 kHz 2nd Order Terms –95 –95 dB typ 3rd Order Terms –95 –95 dB typ Channel-to-Channel Isolation3, 5 –88 –88 dB max fIN = 50 kHz Sine Wave DC ACCURACY Any Channel Resolution 14 14 Bits Relative Accuracy (INL)3 ±2 ±1.5 LSB max Typically 0.6 LSBs Differential Nonlinearity (DNL)3 ±1 ±1 LSB max No Missing Codes Guaranteed AD7865-1 Positive Gain Error3 ±10 ±8 LSB max Typically ± 2 LSBs Positive Gain Error Match3 8 8 LSB max Typically 2 LSBs Negative Gain Error3 ±10 ±8 LSB max Typically ± 2 LSBs Negative Gain Error Match3 8 8 LSB max Typically 2 LSBs Bipolar Zero Error ±12 ±10 LSB max Typically ± 2 LSBs Bipolar Zero Error Match 6 6 LSB max Typically 1.5 LSBs AD7865-2 Positive Gain Error3 ±16 ±16 LSB max Typically ± 2 LSBs Positive Gain Error Match3 8 8 LSB max Typically 2 LSBs Unipolar Offset Error3 ±10 ±10 LSB max Typically ± 2 LSBs Unipolar Offset Error Match3 10 10 LSB max Typically 2 LSBs AD7865-3 Positive Gain Error3 ±16 ±14 LSB max Typically ± 6 LSBs Positive Gain Error Match3 8 8 LSB max Typically 2 LSBs Negative Gain Error3 ±16 ±14 LSB max Typically ± 6 LSBs Negative Gain Error Match3 8 8 LSB max Typically 2 LSBs Bipolar Zero Error ±14 ±12 LSB max Typically ± 5 LSBs Bipolar Zero Error Match 8 6 LSB max Typically 2 LSBs ANALOG INPUTS AD7865-1 Input Voltage Range ±5, ±10 ±5, ±10 Volts Input Current 1, 1 1, 1 mA max VIN = –5 V and –10 V Respectively, Typically 0.7 mA AD7865-2 Input Voltage Range 0 V to 2.5 V, 0 V to 2.5 V, 0 V to 5 V 0 V to 5 V Volts Input Current 10 10 µA max VIN = 2.5 V, 0 V to 2.5 V Range, Typ 1 µA 1 1 mA max VIN = 5 V, 0 V to 5 V Range, Typ 0.7 mA AD7865-3 Input Voltage Range ±2.5 ±2.5 Volts Input Current 1 1 mA max VIN = –2.5 V, Typically 0.7 mA –2– REV. B