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CS5101A-BL8 Fiches technique(PDF) 4 Page - Cirrus Logic |
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CS5101A-BL8 Fiches technique(HTML) 4 Page - Cirrus Logic |
4 / 40 page CS5101A Notes: 13. External loading capacitors are required to allow the crystal to oscillate. Maximum crystal frequency is 8.0 MHz in FRN mode (100 kHz sample rate). 14. With a 8 MHz crystal, two 10 pF loading capacitors and a 10 M Ω parallel resistor (see Figure 8). 15. These times are for FRN mode. 16. SSH only works correctly if HOLD falling edge is within +15 to +30 ns of CH1/2 edge or if CH1/2 edge occurs after HOLD rises to 64 tclk after HOLD has fallen. These times are for PDT and RBT modes. 17. When HOLD goes low, the analog sample is captured immediately. To start conversion, HOLD must be latched by a falling edge of CLKIN. Conversion will begin on the next rising edge of CLKIN after HOLD is latched. If HOLD is operated synchronous to CLKIN, the HOLD pulse width may be as narrow as 150 ns for all CLKIN frequencies if CLKIN falls 95 ns after HOLD falls. This ensures that the HOLD pulse will meet the minimum specification for thcf. SWITCHING CHARACTERISTICS (TA = TMIN to TMAX; VA+, VD+ = 5V ± 10%; VA-, VD- = -5V ± 10%; Inputs: Logic 0 = 0V, Logic 1 = VD+; CL = 50 pF) Parameter Symbol Min Typ Max Units CLKIN Period (Note 4) -8 -16 tclk tclk 108 250 - - 10,000 10,000 ns ns CLKIN Low Time tclkl 37.5 - - ns CLKIN High Time tclkh 37.5 - - ns Crystal Frequency (Note 13) -8 -16 fxtal fxtal 2.0 2.0 - - 9.216 4.0 MHz MHz SLEEP Rising to Oscillator Stable (Note 14) - - 2 - ms RST Pulse Width trst 150 - - ns RST to STBY Falling tdrrs - 100 - ns RST Rising to STBY Rising tcal - 11,528,160 - tclk CH1/2 Edge to TRK1, TRK2 Rising (Note 15) tdrsh1 -80 - ns CH1/2 Edge to TRK1, TRK2 Falling (Note 15) tdfsh4 - - 68tclk+260 ns HOLD to SSH Falling (Note 16) tdfsh2 -60 ns HOLD to TRK1, TRK2, Falling (Note 16) tdfsh1 66tclk - 68tclk+260 ns HOLD to TRK1, TRK2, SSH Rising (Note 16) tdrsh - 120 - ns HOLD Pulse Width (Note 17) thold 1tclk+20 - 63tclk ns HOLD to CH1/2 Edge (Note 16) tdhlri 15 - 64tclk ns HOLD Falling to CLKIN Falling (Note 17) thcf 95 - 1tclk+10 ns 4 DS45F2 |
Numéro de pièce similaire - CS5101A-BL8 |
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Description similaire - CS5101A-BL8 |
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