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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FDA903U датащи(PDF) 15 Page - STMicroelectronics |
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FDA903U датащи(HTML) 15 Page - STMicroelectronics |
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15 / 80 page  DS12498 Rev 2 15/80 FDA903U Electrical specifications 79 4.4 Typical curves of the main electrical parameters CDSAT Clip det sat. voltage CD on; ICD = 1 mA - 150 300 mV CDLK Clip det leakage current CD pin at 3.6 V - - 15 μA Vofflin Input DC offset detection threshold Theshold at which an offset present at inputs is detected - -18 - dB Voffout Output DC offset detection threshold(9) Input high pass filter disable ±1.4 ±2 ±2.6 V Current sensing(10) - Current sensing RMS noise 20 Hz-20 kHz A-weighted (Equivalent mA) - 2.95 - mA - [Equivalent mA] - 3.66 - mA - Current sensing offset Equivalent mA in output when no output signal -150 - +150 mA - Current sensing gain Equivalent mA in output / mA flowing in the load 0.8 - 1.2 - 1. Value measured using output coil with the following characteristics: core saturation current higher than 10 A, RS at 400 kHz = 145 mΩ. 2. Measured at bench during product validation (values before LC filter). Guaranteed by correlation factor. 3. Parameter values based on bench measurements (guaranteed by correlation with overvoltage shutdown). 4. The thermal warnings are always in tracking. 5. Test correlated to the RdsON measurement (ATE test). 6. When selecting the low gain, also the thresholds for "DC diagnostic" function and "Open load in play detector" function scale of the same factor with respect to standard gain configuration. 7. See Chapter 7: Muting function architecture for more details. 8. Guaranteed by correlation. 9. Measured at bench during product validation. 10. Values measured by using Fs = 48 kHz and IMAX = 8 A (IB8[7-6] = 11). Table 5. Electrical characteristics (continued) Symbol Parameter Test condition Min Typ Max Unit Figure 4. Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 4 Ω, f = 1 kHz sine wave) Figure 5. Efficiency and power dissipation (Vs = 14.4 V, RL = 1 x 4 Ω, pink noise) |
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