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CS61535A Datasheet(PDF) 33 Page - Cirrus Logic

Part # CS61535A
Description  T1/E1 Line Interface
PDF  36 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS61535A Datasheet(HTML) 33 Page - Cirrus Logic

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Target Rate
(MHz)
Clock
Divider
Resultant
Rate (MHz)
Maximum Gap
FIFO Depth
Required
(
μs)
bits
1.544
32
1.620
6.2
10
21
1.544
33
1.571
3.9
6
26
2.048
25
2.074
3.4
7
34
Table A1. Locked VT FIFO Analysis
Parameter
CS61535A Receiver
CS61535A Transmitter
Turns Ratio
1:2 CT
± 5%
1:1
± 1.5 % for 75 Ω E1
1:1.15
± 5 % for 100 Ω T1
1:1.26
± 1.5 % for 120 Ω E1
Primary Inductance
600
μH min. @ 772 kHz
1.5 mH min. @ 772 kHz
Primary Leakage Inductance
1.3
μH max. @ 772 kHz
0.3
μH max. @ 772 kHz
Secondary Leakage Inductance
0.4
μH max. @ 772 kHz
0.4
μH max. @ 772 kHz
Interwinding Capacitance
23 pF max.
18 pF max.
ET-constant
16 V-
μs min. for T1
12 V-
μs min. for E1
16 V-
μs min. for T1
12 V-
μs min. for E1
Table A2. Transformer Specifications
CS61535A
DS40F3
33
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