MAX3724E/D

更新时间： 2024-02-08 16:19:38

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
10页	342K
描述
Telecom Circuit, 1-Func, Bipolar, 0.030 X 0.050 INCH, DIE-10

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技术参数
数据手册

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MAX3724E/D 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	DIE
包装说明：	DIE, DIE OR CHIP	针数：	10
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.92
JESD-30 代码：	R-XUUC-N10	JESD-609代码：	e0
功能数量：	1	端子数量：	10
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	DIE
封装等效代码：	DIE OR CHIP	封装形状：	RECTANGULAR
封装形式：	UNCASED CHIP	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	3.3 V	认证状态：	Not Qualified
子类别：	Other Telecom ICs	最大压摆率：	0.041 mA
标称供电电压：	3.3 V	表面贴装：	YES
技术：	BIPOLAR	电信集成电路类型：	TELECOM CIRCUIT
温度等级：	INDUSTRIAL	端子面层：	TIN LEAD
端子形式：	NO LEAD	端子位置：	UPPER
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

MAX3724E/D 数据手册

3.2Gbps SFP Transimpedance

Amplifiers with RSSI

The MAX3724 preamp measures the average photodi-

Optical Sensitivity Calculation

ode current and provides the information to the output

common mode. The MAX3748A RSSI detect block

senses the common-mode DC level of input signals IN+

and IN- and provides a ground-level-referenced output

signal of the photodiode current. The advantage of this

implementation is that it allows the TIA to be packaged

in a low-cost conventional 4-pin TO-46 header.

The input-referred RMS noise current (I ) of the

MAX3724/MAX3725 generally determines the receiver

sensitivity. To obtain a system bit-error rate (BER) of

1E-12, the signal-to-noise ratio must always exceed

14.1. The input sensitivity, expressed in average power,

can be estimated as:





14.1 × I (r + 1)

The MAX3748A RSSI output is connected to an analog

input channel of the DS1858/DS1859 SFP controller to

convert the analog information into a 16-bit word. The

DS1858/DS1859 provide the received power informa-

tion to the host board of the optical receiver through a

2-wire interface. The DS1859 allows for internal calibra-

tion of the receive power monitor.

N e

Sensitivity = 10log

1000 dBm





2ρ(r − 1)





where ρ is the photodiode responsivity in A/W and I is

RMS current in amps.

Input Optical Overload

The overload is the largest input that the MAX3724/

MAX3725 can accept while meeting deterministic jitter

specifications. The optical overload can be estimated

in terms of average power with the following equation:

The MAX3724 and the MAX3748A have been optimized

to achieve RSSI stability of better than 2.5dB within the

6µA to 500µA range of average input photodiode cur-

rent. To achieve the best accuracy, Maxim recom-

mends receive power calibration to be 6µA at the low

end, and 500µA at the high end of the required range.





2mA

(r + 1)

RMS e

Overload = 10log

1000 dBm





2ρ(r − 1)





Optical Power Relations

Many of the MAX3724/MAX3725 specifications relate to

the input signal amplitude. When working with optical

receivers, the input is sometimes expressed in terms of

average optical power and extinction ratio. Figure 6

and Table 1 show relations that are helpful for convert-

ing optical power to input signal when designing with

the MAX3724/MAX3725. (Refer to Application Note

HFAN–3.0.0: Accurately Estimating Optical Receiver

Sensitivity.)

Optical Linear Range

The MAX3724/MAX3725 have high gain, which limits

the output when the input signal exceeds 50µA . The

P-P

MAX3724/MAX3725 operate in a linear range (10% lin-

earity) for inputs not exceeding:





50µA

(r + 1)

RMS e

Linear Range = 10log

1000 dBm





2ρ(r − 1)





Table 1. Optical Power Relations

PARAMETER

Average power

SYMBOL

RELATION

= (P + P ) / 2

AVG

Extinction ratio

r = P / P

e 1

Optical power of a 1

Optical power of a zero

Signal amplitude

P = 2P

(r ) / (r + 1)

e e

AVG

P = 2P

/ (r + 1)

AVG

= P - P ; P = 2P

(r - 1) / (r + 1)

AVG e e

Note: Assuming 50% average duty cycle and mark density.

_______________________________________________________________________________________

1...5 6 789 10

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与MAX3724E/D相关器件

型号	品牌	获取价格	描述	数据表
MAX3724EVKIT\|MAX3725EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX3724/MAX3725
MAX3724-MAX3725	MAXIM	获取价格	3.2Gbps SFP Transimpedance Amplifiers with RSSI
MAX3725	MAXIM	获取价格	3.2Gbps SFP Transimpedance Amplifiers with RSSI
MAX3725D	MAXIM	获取价格	3.2Gbps SFP Transimpedance Amplifiers with RSSI
MAX3725E	MAXIM	获取价格	3.2Gbps SFP Transimpedance Amplifiers with RSSI
MAX3735	MAXIM	获取价格	2.7Gbps, Low-Power SFP Laser Drivers
MAX3735	ADI	获取价格	2.7Gbps、低功耗、SFP激光驱动器
MAX3735\|MAX3735A	MAXIM	获取价格	2.7Gbps. Low-Power SFP Laser Drivers
MAX3735A	ADI	获取价格	2.7Gbps、低功耗、SFP激光驱动器
MAX3735AE/D	MAXIM	获取价格	Interface Circuit, BIPolar, DICE-29

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