Datasheet > GX76476

GX76476

更新时间： 2024-03-03 10:10:21

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
2页	109K
描述
4 × 64Gbaud Linear Differential I/O Driver

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GX76476 数据手册

Short-Form Datasheet

GX76476

4 × 64Gbps Linear Differential I/O Driver

The GX76476 is a low-power, high-performance,

quad-channel linear driver chip. It is designed for

400G/600G optical integrated transmitter small-form

factor (SFF) modules for metro and long-haul

applications.

Features

■

Data rate up to 64Gbps per channel for

400G/600G DP-mQAM applications

■

> 65GHz bandwidth

> 10dB dynamic range of gain control

2.7W (typical) at linear 4.0Vppd

The GX76476 integrated quad lanes of driver with

SPI circuitry for DC controls on a single die. Each

channel of driver has 100Ω differential AC-coupled

input and 60Ω differential interface with an open-

collector type output stage, and linear output voltage

of 4.0Vppd suitable for Silicon Photonics modulator

and multi-level modulations.

AC-coupled 100Ω differential input/open collector

configuration at the output

■

Ultra-low inter-channel cross-talk

Peaking adjustment functionality

Analog control for gain and output voltage setting,

and analog monitor for peak detector and gain

control monitor

Applications

■

400/600Gbps 16QAM/64QAM advanced

■

OIF compliant SPI digital interface integration

multi-level modulation systems

■

High-bandwidth SFF optical integrated modules

PK_GC

GC_OA

1, 2, 3, 4

Pilot

1, 2, 3, 4 VDC VCCINxx

X=4

X=3

X=2

In4p

In4n

Out4p

Out4n

X=1

Out3p

In3p

In3n

Pilot

Tone

Mode

Control

Out3n

Gain Control

Out2p

In2p

In2n

Vout DC

Level

Monitor

Peak Detector

Out2n

In1p

Out1p

Out1n

In1n

Peak

Control

ADC

DAC

Temp.

Monitor

SPI Control

Temp

EN_SER

Peaking

Figure 1. Block Diagram

RST MISO MOSI CS CLK VCC

R08DO0021EU0100 Rev.1.00

Sep 28, 2023

Page 1

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