Cirrus-logic CS4373A Manual do Utilizador descarregar pdf (Página 12)

CS4373A

12 DS699F2

DIGITAL CHARACTERISTICS

Notes: 22. Device is intended to be driven with CMOS logic levels.

23. TDATA is generated by the test bit stream generator in the CS5376A digital filter.

24. TBSGAIN register value in the CS5376A digital filter.

Parameter Symbol Min Typ Max Unit

Digital Inputs

High-level Input Drive Voltage (Note 22)V

0.6*VD - VD V

Low-level Input Drive Voltage (Note 22)V

0.0 - 0.8 V

Input Leakage Current I

-+1+10 µA

Digital Input Capacitance (Note 8) C

-9- pF

Rise Times Except MCLK (Note 8) t

RISE

--100ns

Fall Times Except MCLK (Note 8) t

FALL

--100ns

TDATA Input

TDATA Input Bit Rate (Note 23)f

tdata

- 256 - kbits/s

TDATA Input One’s Density Range (Note 8)INR

25 - 75 %

TBSGAIN Full-scale Code (Note 24)TBS

0x04B8F2

TBSGAIN -20 dB Code (Note 24)TBS

-20dB

0x0078E5

0.9 * VD

0.1 * VD

fall

rise

Figure 1. Digital Input Rise and Fall Times

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 33 34

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Cirrus-logic CS4373A Manual do Utilizador Página 12