CS8420 datasheet(6/80 Pages) CIRRUS

6 / 80 page

CS8420

DS245PP2

ABSOLUTE MAXIMUM RATINGS (AGND, DGND = 0V, all voltages with respect to ground)

Notes: 3. Transient currents of up to 100mA will not cause SCR latch-up.

DIGITAL CHARACTERISTICS (T

A = 25 °C; VA+ = VD+ = 5V ±5%)

SWITCHING CHARACTERISTICS (T

A = 25 °C; VA+ = VD+ = 5V ±5%, Inputs: Logic 0 = 0V, Logic 1

= VD+; CL = 20 pF)

Notes: 4. PLL is bypassed, clock is input to the RMCK pin. The value given is guaranteed to work, with an external

RMCK applied the part will actually work at much lower frequencies.

Parameter

Symbol

Min

Max

Units

Power Supply Voltage

VD+,VA+

6.0

Input Current, Any Pin Except Supply, RXP, RXN

(Note 3)

Iin

-±10

Input Current, RXP, RXN

Iin

±0.25

±TBD

Input Voltage

Vin

-0.3

(VD+) + 0.3

Ambient Operating Temperature (power applied)

-55

125

°C

Storage Temperature

Tstg

-65

150

°C

Parameter

Symbol

Min

Typ

Max

Units

High-Level Input Voltage, except RXP, RXN

VIH

2.0

(VD+) + 0.3

Low-Level Input Voltage, except RXP, RXN

VIL

-0.3

0.8

Low-Level Output Voltage, (Io=-20uA), except TXP, TXN

VOL

0.4

High-Level Output Voltage, (Io=20uA), except TXP, TXN

VOH

(VD+) - 1

Input Leakage Current

Iin

-±10

±15

µA

Differential Input Voltage, RXP to RXN

VTH

200

Output High Voltage, TXP, TXN (IOH = -21mA)

(VD+) -

0.7

(VD+) -

0.4

-V

Output Low Voltage, TXP, TXN (IOL = 21mA)

0.4

0.7

Parameter

Symbol

Min

Typ

Max

Units

RST pin Low Pulse Width

200

µs

OMCK Frequency for OMCK = 512*Fso

4.096

55.3

MHz

OMCK Low and High Width for OMCK = 512*Fso

8.2

OMCK Frequency for OMCK = 384*Fso

3.072

41.5

MHz

OMCK Low and High Width for OMCK = 384*Fso

12.3

OMCK Frequency for OMCK = 256*Fso

2.048

27.7

MHz

OMCK Low and High Width for OMCK = 256*Fso

16.4

PLL Clock Recovery Sample Rate Range

8.0

108.0

kHz

RMCK output jitter

200

ps RMS

RMCK output duty cycle

RMCK Input Frequency

(Note 4)

2.048

27.7

MHz

RMCK Input Low and High Width

(Note 4)

16.4

AES3 Transmitter Output Jitter

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