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Digital input characteristics, Digital interface specifications, Transmitter characteristics – Cirrus Logic CS8406 User Manual

Page 5: Switching characteristics

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DS580F6

5

CS8406

DIGITAL INPUT CHARACTERISTICS

DIGITAL INTERFACE SPECIFICATIONS

(GND = 0 V; all voltages with respect to 0 V.)

TRANSMITTER CHARACTERISTICS

SWITCHING CHARACTERISTICS

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

L

= 20 pF)

Parameters

Symbol

Min

Typ

Max

Units

Input Leakage Current

I

in

-

-

±0.5

A

Input Hysteresis (all inputs except OMCK)

-

0.25

-

V

Parameters

Symbol

Min

Max

Units

High-Level Output Voltage (I

OH

= -3.2 mA), except TXP/TXN

V

OH

VL - 1.0

-

V

Low-Level Output Voltage (I

OH

= 3.2 mA), except TXP/TXN

V

OL

-

0.4

V

High-Level Output Voltage, TXP, TXN

(21 mA at VL = 5.0 V)

(15 mA at VL = 3.3 V)

VL - 0.7

VL - 0.7

VL

VL

V

V

Low-Level Output Voltage, TXP, TXN

(21 mA at VL = 5.0 V)

(16 mA at VL = 3.3 V)

-

-

0.7

0.7

V

V

High-Level Input Voltage

VD = 5.0 V

VD = 3.3 V

V

IH

2.75

2.0

VL + 0.3

VL + 0.3

V

V

Low-Level Input Voltage

VD = 5.0 V

VD = 3.3 V

V

IL

-0.3

-0.3

0.8

0.8

V

V

Parameters

Symbol

Typ

Units

TXP Output Resistance

VL = 5.0 V

VL = 3.3 V

R

TXP

26.5

33.5


TXN Output Resistance

VL = 5.0 V

VL = 3.3 V

R

TXN

26.5

33.5

Parameter

Symbol

Min

Typ

Max

Units

RST pin Low Pulse Width

200

-

-

s

OMCK Frequency for OMCK = 512*Fs

4.1

-

98.4

MHz

OMCK Low and High Width for OMCK = 512*Fs

4.1

-

-

ns

OMCK Frequency for OMCK = 384*Fs

3.1

-

73.8

MHz

OMCK Low and High Width for OMCK = 384*Fs

6.1

-

-

ns

OMCK Frequency for OMCK = 256*Fs

2.0

-

49.2

MHz

OMCK Low and High Width for OMCK = 256*Fs

8.1

-

-

ns

OMCK Frequency for OMCK = 128*Fs

1.0

-

24.6

MHz

OMCK Low and High Width for OMCK = 128*Fs

18.3

-

-

ns

Frame Rate

8

-

192

kHz

AES3 Transmitter Output Jitter

-

200

-

ps RMS