CS61535A-IL1Z 查看數據表（PDF） - Cirrus Logic

零件编号

产品描述 (功能)

生产厂家

CS61535A-IL1Z

T1/E1 Line Interface

Cirrus Logic 

-XO ¶

&21),'(17,$/

CS61535A

ORFNHG 97 RS HUDWLRQ 7DEOH $ V KRZV SR WHQWLDO

VXEPXOWLSOH G DWD UDWH V DQ G WK H LP SDFW RQ WK RVH

UDWHV RQ WKH PD[LPXP JDS LQ WKH RXWSXW FORFN RI

WKH ), )2 DQG GHSWK RI ) ,)2 UHTXLUHG ) ,)2

GHSWK ZLOO KD YH WR EH LQF UHDVHG IRU IORD WLQJ 97

RSHUDWLRQ ZLWK  ELW V RI ),)2 GHSWK EHLQJ DGGHG

IRU HDFK SRLQWHU DOLJQPHQW FKDQJH WKDW FDQ RFFXU

7KH R EMHFWLYH WKDW V KRXOG EH P HW LQ SLFNLQJ D

),)2 G HSWK D QG F ORFN GL YLGHU LV NH HS W KH PD[L

PXP JDS RQ WKH RXWSXW RI WKH ),)2 DW  ELW V RU

OHVV 7ZHOYH ELWV LV WKH PD[LPXP MLWWHU ZKLFK FDQ

EH LQSXW WR WKH &6$¶V MLWWHU DWWHQXDWRU ZLWK

RXW FDXV LQJ WKH RYHU IORZXQGHIORZ SURWHFWLRQ

FLUFXLW WR RS HUDWH 7KH &6$ WKH Q UHPRYHV

WKH UHPDLQLQJ MLWWHU IURP WKH VLJQDO

7KH U HFHLYH SDWK DOV R U HTXLUHV D ELW P DSSLQJ

IURP  RU  ELWV WR  ELWV 7KLV PDSSLQJ

UHTXLUHV DQ LQSXW EXI IHU ZLW K WKH VDPH GH SWK DV

XVH RQ WKH WUDQVPLW SDWK 7KLV EXIIHU DOVR DEVRUEV

WKH R XWSXW M LWWHU JH QHUDWHG E\ W KH & 6$¶V

GLJLWDO FORFN UHFRYHU\

Target Rate

(MHz)

1.544

1.544

2.048

Clock

Divider

32

33

25

Resultant

Rate (MHz)

1.620

1.571

2.074

Transformers

5HFRPPHQGHG WUDQ VPLWWHU DQG U HFHLYHU WUDQV 

IRUPHU VS HFLILFDWLRQV I RU WK H &6 $ DU H

VKRZQ LQ 7DEOH $ 7KH WUDQVIRUPHUV LQ 7DEOH $

KDYH E HHQ W HVWHG D QG UHFRPPHQGHG I RU XVH ZL WK

WKH &6$ 5HIHU WR WKH 7 HOHFRP 7 UDQV

IRUPHU 6HOHFWLRQ *XLG H IRU GHW DLOHG V FKHPDWLFV

ZKLFK VKRZ KRZ WR FRQ QHFW WKH OLQ H LQWHUIDFH ,&

ZLWK D SDUWLFXODU WUDQVIRUPHU

,Q DSSOLFDWLRQV ZLWK WKH &6$ ZKHUH LW LV DG

YDQWDJHRXV WR XVH D VLQJOH WUDQVPLWWHU WUDQVIRUPHU

IRU ERWK Ω DQG Ω ( DSSOLFDWLRQV D 

WUDQVIRUHU PD\ EH XV HG $OWK RXJK WUDQ VPLWWHU UH

WXUQ ORVV ZLOO EH UHGXFHG IRU Ω DSSOLFDWLRQV WKH

SXOVH DP SOLWXGH Z LOO EH FRUUHFW DFU RVV D  Ω

ORDG

Maximum Gap

(μs)

bits

6.2

10

3.9

6

3.4

7

FIFO Depth

Required

21

26

34

Table A1. Locked VT FIFO Analysis

Parameter

Turns Ratio

Primary Inductance

Primary Leakage Inductance

Secondary Leakage Inductance

Interwinding Capacitance

ET-constant

CS61535A Receiver

1:2 CT ± 5%

600 μH min. @ 772 kHz

1.3 μH max. @ 772 kHz

0.4 μH max. @ 772 kHz

23 pF max.

16 V-μs min. for T1

12 V-μs min. for E1

CS61535A Transmitter

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

1.5 mH min. @ 772 kHz

0.3 μH max. @ 772 kHz

0.4 μH max. @ 772 kHz

18 pF max.

16 V-μs min. for T1

12 V-μs min. for E1

Table A2. Transformer Specifications

DS40F3

33

Share Link: