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CS5531 Datasheet(PDF) 9 Page - Cirrus Logic |
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CS5531 Datasheet(HTML) 9 Page - Cirrus Logic |
9 / 50 page CS5531/32/33/34-AS DS289F5 9 DYNAMIC CHARACTERISTICS 17. The ADCs use a Sinc5 filter for the 3200 Sps and 3840 Sps output word rate (OWR) and a Sinc5 filter followed by a Sinc3 filter for the other OWRs. OWRsinc5 refers to the 3200 Sps (FRS = 1) or 3840 Sps (FRS = 0) word rate associated with the Sinc5 filter. 18. The single conversion mode only outputs fully settled conversions. See Table 1 for more details about single conversion mode timing. OWRSC is used here to designate the different conversion time associated with single conversions. 19. The continuous conversion mode outputs every conversion. This means that the filter’s settling time with a full-scale step input in the continuous conversion mode is dictated by the OWR. ABSOLUTE MAXIMUM RATINGS (DGND = 0 V; See Note 20.) Notes: 20. All voltages with respect to ground. 21. VA+ and VA- must satisfy {(VA+) - (VA-)} ≤ +6.6 V. 22. VD+ and VA- must satisfy {(VD+) - (VA-)} ≤ +7.5 V. 23. Applies to all pins including continuous overvoltage conditions at the analog input (AIN) pins. 24. Transient current of up to 100 mA will not cause SCR latch-up. Maximum input current for a power supply pin is ±50 mA. 25. Total power dissipation, including all input currents and output currents. WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these extremes. Parameter Symbol Ratio Unit Modulator Sampling Rate fs MCLK/16 Sps Filter Settling Time to 1/2 LSB (Full-scale Step Input) Single Conversion mode (Notes 17, 18, and 19) Continuous Conversion mode, OWR < 3200 Sps Continuous Conversion mode, OWR ≥ 3200 Sps ts ts ts 1/OWRSC 5/OWRsinc5 + 3/OWR 5/OWR s s s Parameter Symbol Min Typ Max Unit DC Power Supplies (Notes 21 and 22) Positive Digital Positive Analog Negative Analog VD+ VA+ VA- -0.3 -0.3 +0.3 - - - +6.0 +6.0 -3.75 V V V Input Current, Any Pin Except Supplies (Notes 23 and 24) IIN -- ±10 mA Output Current IOUT -- ±25 mA Power Dissipation (Note 25) PDN - - 500 mW Analog Input Voltage VREF pins AIN Pins VINR VINA (VA-) -0.3 (VA-) -0.3 - - (VA+) + 0.3 (VA+) + 0.3 V V Digital Input Voltage VIND -0.3 - (VD+) + 0.3 V Ambient Operating Temperature TA -40 - 85 °C Storage Temperature Tstg -65 - 150 °C |
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