Datasheet > MAX3747-MAX3747A

MAX3747-MAX3747A

更新时间： 2022-12-13 08:48:48

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
10页	360K
描述
155Mbps to 3.2Gbps, Low-Power SFP Limiting Amplifiers

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MAX3747-MAX3747A 数据手册

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155Mbps to 3.2Gbps, Low-Power SFP

Limiting Amplifiers

Functional Diagram

MAX3747

MAX3747A

50Ω

DIGITAL

OFFSET

CORRECTION

OUT+

OUT-

IN+

IN-

DISABLE

50Ω

REF

SIGNAL DETECT

TH LOS

REF

R + R ≥ 5kΩ

CML Output Buffer

The CML outputs of the MAX3747/MAX3747A limiting

amplifiers provide high tolerance to impedance mis-

matches and inductive connectors. The output current

is approximately 10mA for the MAX3747 and 16mA for

50Ω

the MAX3747A. Connecting the DISABLE pin to V

disables the output. If the LOS pin is connected to the

DISABLE pin, the outputs OUT+ and OUT- are at a stat-

ic voltage (squelch) whenever the input signal level

drops below the LOS threshold. The output buffer can

be AC- or DC-coupled to the load (Figure 4).

OUT+

OUT-

DISABLE

DATA

Q3 Q4

ESD

STRUCTURES

The MAX3747 output is 500mV

and the MAX3747A

P-P

output is 800mV

P-P

DISABLE

Figure 4. CML Output Buffer

_______________________________________________________________________________________

1...5 6 789 10

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