Rainbow-electronics MAX3798 Manuel d'utilisateur télécharger pdf (Page 15)

MAX3798

1.0625Gbps to 10.32Gbps, Integrated, Low-

Power SFP+ Limiting Amplifier and VCSEL Driver

______________________________________________________________________________________ 15

PULL

EER

CCD

MAX3798

SLEW-RATE

CONTROL

BIAS

MONITOR

OUTPUT

CONTROL

LOGIC

LOS

3-WIRE

INTERFACE

CONTROL

LOGIC

PULSE-

WIDTH

CONTROL

VCSEL

= I

MOD

- I

INTERNAL REGISTER

OFFSET

CORRECTION

CAZX

4b DAC SET_TXDE

4b DAC SET_PWCTRL

9b DAC SET_IBIAS

9b DAC SET_IMOD

8b DAC SET_CML

6b DAC SET_LOS

GMEN

SLEW_RATE

RXDE_EN

TX_POL

CAZ1

RIN+

MSEL

SCL

SDA

CSEL

BIAS

TOUT+

TOUT-

FAULT

BMAX

MMAX

BMON

BIAS

MOD

RIN-

CAZ2

AZ_EN

SQ_EN

MODE_SEL

LOS_EN

TX_EN

LOS_POL

RX_POL

ROUT+

ROUT-

LOS

TIN+

TIN-

DISABLE

PULL

CCT

10.32Gbps LIMITING AMPIFIER

10.32Gbps VCSEL DRIVER

EYE SAFETY AND

OUTPUT CONTROL

VCSEL BIAS

CURRENT LIMITER

VCSEL MOD

CURRENT LIMITER

POWER-ON RESET

Figure 2. Functional Diagram

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 34 35

General Description 1
Applications 1
Features 1
Ordering Information 1
ABSOLUTE MAXIMUM RATINGS 2
ELECTRICAL CHARACTERISTICS 2
Pin Description 13
Detail Description 14
Pin Description (continued) 14
Figure 2. Functional Diagram 15
Output Stage 16
3-Wire Digital Communication 20
Register Descriptions 22
Programming Bias Current 25
Design Procedure 27
Applications Information 28
Table 7. Register Summary 29
Typical Application Circuit 34
Pin Configuration 35
Chip Information 35
Package Information 35

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Rainbow-electronics MAX3798 Manuel d'utilisateur Page 15

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