Datasheet AD7899 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 5 V Single Supply 14-Bit 400 kSPS ADC |
| Páginas / Página | 17 / 3 — AD7899–SPECIFICATIONS (VDD = 5 V. 5%, AGND = DGND = 0 V, VREF = Internal. … |
| Revisión | A |
| Formato / tamaño de archivo | PDF / 276 Kb |
| Idioma del documento | Inglés |
AD7899–SPECIFICATIONS (VDD = 5 V. 5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal, all specifications
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AD7899–SPECIFICATIONS (VDD = 5 V
ⴞ
5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal, all specifications TMIN to TMAX and valid for VDRIVE = 3 V
ⴞ
5% and 5 V
ⴞ
5% unless otherwise noted.) A B S Parameter Version1 Version1 Version1 Unit Test Conditions/Comments
SAMPLE AND HOLD –0.1 dB Full Power Bandwidth 500 500 500 kHz typ –3 dB Full Power Bandwidth 4.5 4.5 4.5 MHz typ Aperture Delay 20 20 20 ns max Aperture Jitter 25 25 25 ps typ DYNAMIC PERFORMANCE2 fIN = 100 kHz, fS = 400 kSPS AD7899-1 Signal to (Noise + Distortion) Ratio3 @ 25C 78 78 78 dB min TMIN to TMAX 78 78 77 dB min Total Harmonic Distortion3 –84 –84 –82 dB max Peak Harmonic or Spurious Noise3 –86 –86 –85 dB max AD7899-2 Signal to (Noise + Distortion) Ratio3 @ 25C 78 dB min TMIN to TMAX 77 dB min Total Harmonic Distortion3 –82 dB max Peak Harmonic or Spurious Noise3 –82 dB max AD7899-3 Signal to (Noise + Distortion) Ratio3 @ 25C 78 78 dB min TMIN to TMAX 77 77 dB min Total Harmonic Distortion3 –84 –84 dB max Peak Harmonic or Spurious Noise3 –86 –86 dB max Intermodulation Distortion3 fa = 49 kHz, fb = 50 kHz 2nd Order Terms –89 –89 –89 dB typ 3rd Order Terms –89 –89 –89 dB typ DC ACCURACY Resolution 14 14 14 Bits Relative Accuracy (INL)3 ± 2 ±1.5 ±2 LSB max Differential Nonlinearity (DNL)3 ± 1 ± 1 ±1 LSB max No Missing Codes Guaranteed AD7899-1 Input Voltage Range ±5, ±10 ±5, ±10 Volts Input Current 0.8, 0.8 0.8, 0.8 mA max VIN = –5 V and –10 V Respectively Positive Gain Error3 ±10 ± 8 ±12 LSB max Negative Gain Error3 ±10 ± 8 ±12 LSB max Bipolar Zero Error ±12 ± 8 ±12 LSB max AD7899-2 Input Voltage Range 0 to 2.5 Volts 0 to 5 Input Current 0.4, 800 µA max VIN = 2.5 V, VIN = 5 V Positive Gain Error3 ±14 LSB max Offset Error3 ±10 LSB max AD7899-3 Input Voltage Range ±2.5 ±2.5 Volts Input Current 0.8 0.8 mA max VIN = –2.5 V Positive Gain Error3 ±14 ±12 LSB max Negative Gain Error3 ±14 ±12 LSB max Bipolar Zero Error ±14 ±12 LSB max REFERENCE INPUT/OUTPUT VREF IN Input Voltage Range 2.375/2.625 2.375/2.625 2.375/2.625 VMIN/VMAX 2.5 V ± 5% VREF IN Input Capacitance4 10 10 10 pF max VREF OUT Output Voltage 2.5 2.5 2.5 V nom VREF OUT Error @ 25C ±10 ±10 ±10 mV max V ± REF OUT Error TMIN to TMAX 20 ±20 ±25 mV max VREF OUT Temperature Coefficient 25 25 25 ppm/C typ VREF OUT Output Impedance 6 6 6 kΩ typ See Reference Section –2– REV. A
ⴞ
5%, AGND = DGND = 0 V, VREF = Internal. Clock = Internal, all specifications TMIN to TMAX and valid for VDRIVE = 3 V
ⴞ
5% and 5 V
ⴞ
5% unless otherwise noted.) A B S Parameter Version1 Version1 Version1 Unit Test Conditions/Comments
SAMPLE AND HOLD –0.1 dB Full Power Bandwidth 500 500 500 kHz typ –3 dB Full Power Bandwidth 4.5 4.5 4.5 MHz typ Aperture Delay 20 20 20 ns max Aperture Jitter 25 25 25 ps typ DYNAMIC PERFORMANCE2 fIN = 100 kHz, fS = 400 kSPS AD7899-1 Signal to (Noise + Distortion) Ratio3 @ 25C 78 78 78 dB min TMIN to TMAX 78 78 77 dB min Total Harmonic Distortion3 –84 –84 –82 dB max Peak Harmonic or Spurious Noise3 –86 –86 –85 dB max AD7899-2 Signal to (Noise + Distortion) Ratio3 @ 25C 78 dB min TMIN to TMAX 77 dB min Total Harmonic Distortion3 –82 dB max Peak Harmonic or Spurious Noise3 –82 dB max AD7899-3 Signal to (Noise + Distortion) Ratio3 @ 25C 78 78 dB min TMIN to TMAX 77 77 dB min Total Harmonic Distortion3 –84 –84 dB max Peak Harmonic or Spurious Noise3 –86 –86 dB max Intermodulation Distortion3 fa = 49 kHz, fb = 50 kHz 2nd Order Terms –89 –89 –89 dB typ 3rd Order Terms –89 –89 –89 dB typ DC ACCURACY Resolution 14 14 14 Bits Relative Accuracy (INL)3 ± 2 ±1.5 ±2 LSB max Differential Nonlinearity (DNL)3 ± 1 ± 1 ±1 LSB max No Missing Codes Guaranteed AD7899-1 Input Voltage Range ±5, ±10 ±5, ±10 Volts Input Current 0.8, 0.8 0.8, 0.8 mA max VIN = –5 V and –10 V Respectively Positive Gain Error3 ±10 ± 8 ±12 LSB max Negative Gain Error3 ±10 ± 8 ±12 LSB max Bipolar Zero Error ±12 ± 8 ±12 LSB max AD7899-2 Input Voltage Range 0 to 2.5 Volts 0 to 5 Input Current 0.4, 800 µA max VIN = 2.5 V, VIN = 5 V Positive Gain Error3 ±14 LSB max Offset Error3 ±10 LSB max AD7899-3 Input Voltage Range ±2.5 ±2.5 Volts Input Current 0.8 0.8 mA max VIN = –2.5 V Positive Gain Error3 ±14 ±12 LSB max Negative Gain Error3 ±14 ±12 LSB max Bipolar Zero Error ±14 ±12 LSB max REFERENCE INPUT/OUTPUT VREF IN Input Voltage Range 2.375/2.625 2.375/2.625 2.375/2.625 VMIN/VMAX 2.5 V ± 5% VREF IN Input Capacitance4 10 10 10 pF max VREF OUT Output Voltage 2.5 2.5 2.5 V nom VREF OUT Error @ 25C ±10 ±10 ±10 mV max V ± REF OUT Error TMIN to TMAX 20 ±20 ±25 mV max VREF OUT Temperature Coefficient 25 25 25 ppm/C typ VREF OUT Output Impedance 6 6 6 kΩ typ See Reference Section –2– REV. A