Cirrus-logic CS8427 Manuel d'utilisateur télécharger pdf (Page 7)

CS8427

DS477F5 7

SWITCHING CHARACTERISTICS

Inputs: Logic 0 = 0 V, Logic 1 = VL+; C

= 20 pF.

Notes: 6. Cycle-to-cycle locking to RXP/RXN using 32 to 96 kHz external PLL filter components.

7. PLL is bypassed (RXD1:0 bits in the Clock Source Control register set to 10b), clock is input to the

RMCK pin.

Parameter Symbol Min Typ Max Units

RST

pin Low Pulse Width 200 - - μs

OMCK Frequency for OMCK = 512 * Fso 4.1 - 55.3 MHz

OMCK Low and High Width for OMCK = 512 * Fso 7.2 - - ns

OMCK Frequency for OMCK = 384 * Fso 3.1 - 41.5 MHz

OMCK Low and High Width for OMCK = 384 * Fso 10.8 - - ns

OMCK Frequency for OMCK = 256 * Fso 2.0 - 27.7 MHz

OMCK Low and High Width for OMCK = 256 * Fso 14.4 - - ns

PLL Clock Recovery Sample Rate Range 8.0 - 108.0 kHz

RMCK output jitter (Note 6) - 200 - ps RMS

RMCK output duty cycle 40 50 60 %

RMCK Input Frequency (Note 7) 1.8 - 27.7 MHz

RMCK Input Low and High Width (Note 7) 14.4 - - ns

AES3 Transmitter Output Jitter - - 1 ns

1 2 3 4 5 6 7 8 9 10 11 12 ... 59 60

Pas de commentaire

Cirrus-logic CS8427 Manuel d'utilisateur Page 7