ML6698 Просмотр технического описания (PDF) - Micro Linear Corporation

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ML6698

100BASE-TX Physical Layer with 5-Bit Interface

Micro Linear Corporation 

ML6698

NC 1

4

U2

2

3

DVCC

C3 C9

FB1

+

C10 C6

FB2

AVCC

+

C4 C11 C12 C5

6 5 4 3 2 1 44 43 42 41 40

OUTPUTS TO A

10BASE-T PHY

1:1

R23

7 PWRDN

8 RSM4

9 RSM3

10 DGND1

11 RSM2

12 DVCC1

13 RSM1

14 DGND2

15 RSM0

16 RXC

17 DGND3

ML6698

U1

C1

CMREF 39

R10

C7

TPINP 38

R11

TPINN 37

AVCC2 36

AGND2 35

TPOUTP 34

L1

R8

AVCC

TPOUTN 33

AGND3 32

R9

L2

RTSET 31

RGMSET 30

NC 29

C8

R2 R1

2:1

U5

R21

C2

R16 R15

R18

R19

R22

DVCC

18 19 20 21 22 23 24 25 26 27 28

AVCC

1 TXTP+

2 TXTP–

3 RXTP+

4

5

6 RXTP–

7

8

RJ45

SHIELD

GROUNDED

R17

R20

R1

2.49kW 1%, 1/8W Surface Mount

R2

9.53kW 1%, 1/8W Surface Mount

R8, R9,

R23

200W 1%, 1/8W Surface Mount

R10, R11 100W 1%, 1/8W Surface Mount

R15-R20 49.9W 5%, 1/8W Surface Mount

R21-R22 75W 5%, 1/8W Surface Mount

C1, C3, 0.1µF Ceramic Chip Cap

C4, C8-C12

C5, C6 10µF Tantalum Cap

C7

C2

U1

U2

U5

FB1, FB2

L1, L2

10pF Cap

Board Layer Cap (2kV rated)

ML6698 44-PLCC Surface Mount

Clock Oscillator, 25MHz 4-Pin Surface Mount

Bel Transformer Module S558-1287-02,

XFMRS Inc. XF6692TX, or Valor ST6129

(not pin compatible)

Fair-Rite SM Bead P/N 2775019447

130nH Inductors rated at 50MHz

Figure 2. ML6698 Typical Applications Circuit

10

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