AD2437 datasheet(27/42 Pages) AD

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AD2437

Rev. 0

Page 27 of 42

July 2023

RMS Time Interval Error (TIE) Jitter

Clocks in an A2B system are passed from the main node to Sub-

ordinate Node 0, from Subordinate Node 0 to Subordinate

Node 1, and so on. Each transceiver adds self jitter to the incom-

ing jitter, which results in jitter growth from the main node to

the nth subordinate node. Table 14 illustrates typical RMS TIE

jitter growth.

Table 14. SYNC Output RMS TIE Jitter at Each Subordinate

Node1

1 Measured at fSYNC = 48 kHz.

Subordinate Node

Typ

Max

Unit

1.25

2.28

1.47

2.29

1.59

2.41

1.76

2.59

1.88

2.95

1.99

3.18

2.14

3.57

2.24

3.08

2.31

4.01

2.48

4.24

2.60

4.31

2.66

4.35

2.70

4.55

2.75

4.59

2.80

4.70

2.95

4.89

Table 15. BCLK Output RMS TIE Jitter at Each Subordinate

Node1

Subordinate Node

Typ

Max

Unit

1.19

2.09

1.39

2.21

1.59

2.33

1.76

2.51

1.86

2.86

1.91

3.11

2.06

3.31

2.21

3.45

2.28

3.84

2.31

4.00

2.47

4.03

2.57

4.06

2.74

4.28

2.78

4.38

2.83

4.50

2.88

4.60

1 Measured at fBCLK = 3.072 MHz.

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