Datasheet > ADN2531ACPZ

ADN2531ACPZ

更新时间： 2024-02-25 14:40:19

品牌	Logo	应用领域
亚德诺 - ADI		接口集成电路
页数	文件大小	规格书
21页	563K
描述
11.3 Gbps, Active Back-Termination, Differential Laser Diode Driver

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ADN2531ACPZ 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Contact Manufacturer	包装说明：	HVQCCN,
针数：	16	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.65	接口集成电路类型：	INTERFACE CIRCUIT
JESD-30 代码：	S-XQCC-N16	JESD-609代码：	e3
长度：	3 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	16
最高工作温度：	100 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	座面最大高度：	0.9 mm
最大供电电压：	3.6 V	最小供电电压：	3 V
标称供电电压：	3.3 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Tin (Sn)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	30
宽度：	3 mm	Base Number Matches：	1

ADN2531ACPZ 数据手册

11.3 Gbps, Active Back-Termination,

Differential Laser Diode Driver

Data Sheet

ADN2531

FEATURES

GENERAL DESCRIPTION

3.3 V operation

Up to 11.3 Gbps operation

Typical 26 ps rise/fall times

Bias current range: 10 mA to 100 mA

Differential modulation current range: 10 mA to 80 mA

Voltage input control for bias and modulation currents

Data inputs sensitivity: 150 mV p-p differential

Automatic laser shutdown (ALS)

Crosspoint adjustment (CPA)

The ADN2531 laser diode driver can work with directly

modulated laser diodes, including vertical-cavity surface-emitting

laser (VCSEL), Fabry-Perot (FP) lasers, and distributed feedback

(DFB) lasers, with a differential loading resistance ranging from

5 Ω to 140 Ω. The active back-termination in the ADN2531

absorbs signal reflections from the laser diode side of the output

transmission lines, enabling excellent optical eye quality even when

the TOSA end of the output transmission lines is significantly

mismatched. The ADN2531 is a SFP+ MSA-compliant device,

and small package and enhanced ESD protection provides the

optimum solution for compact modules in which laser diodes

are packaged in low pin-count optical subassemblies.

VCSEL, FP, DFB laser support

SFF/SFP/XFP/SFP+ MSA compliant

Optical evaluation board available

Compact, 3 mm × 3 mm LFCSP

The modulation and bias currents are programmable via the

MSET and BSET control pins. By driving these pins with control

voltages, the user has the flexibility to implement various average

optical power and extinction ratio control schemes, including a

closed-loop or a look-up table control. The automatic laser shut-

down (ALS) feature allows turning the bias on and off while

simultaneously modulating currents by driving the ALS pin with

a low voltage transistor-to-transistor logic (LVTTL) source.

APPLICATIONS

Optical transmitters, up to 11.3 Gbps, for SONET/SDH,

Ethernet, and Fibre Channel applications

SFF/SFP/SFP+/XFP/X2/XENPAK/XPAK MSA compliant

300-pin optical modules, up to 11.3 Gbps

The product is available in a space-saving, 3 mm × 3 mm LFCSP

package and operates from −40°C to +100°C.

FUNCTIONAL BLOCK DIAGRAM

VCC

CPA

ALS

VCC

ADN2531

VCC

IMODP

IMODN

50Ω 50Ω

100Ω

MOD

VCC

GND

DATAP

DATAN

CROSSPOINT

ADJUST

IBMON

IBIAS

400Ω

800Ω

200Ω

10Ω

MSET

GND

BSET

Figure 1.

Rev. C

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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