Datasheet > MAX3646

MAX3646

更新时间： 2023-12-20 18:46:12

品牌	Logo	应用领域
亚德诺 - ADI		驱动驱动器
页数	文件大小	规格书
15页	342K
描述
155Mbps至622Mbps SFF/SFP激光驱动器，带有消光比控制

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数据手册

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MAX3646 数据手册

155Mbps to 622Mbps SFF/SFP

Laser Driver with Extinction Ratio Control

MAX346

Typical Operating Characteristics (continued)

= +3.3V, C

= 0.01µF, I

= 20mA, I

= 30mA, T = +25°C, unless otherwise noted.)

APC

BIAS

MOD

RANDOM JITTER vs.

MODULATION CURRENT

TEMPERATURE COMPENSATION vs.

COMPENSATION (K) vs. R

MODBCOMP

= 500Ω)

TH_TEMP MODTCOMP

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

100

= 12kΩ

TH_TEMP

= 7kΩ

TH_TEMP

= 4kΩ

TH_TEMP

0.1

= 2kΩ

TH_TEMP

0.01

0.001

0.01

0.1

100

10 20 30 40 50 60 70 80 90

(mA)

-10

10 20 30 40 50 60 70 80 90

(kΩ)

MODBCOMP

TEMPERATURE (°C)

MOD

TEMPERATURE COMPENSATION vs.

= 10kΩ)

TRANSMITTER ENABLE

HOT PLUG WITH TX_DISABLE LOW

TH_TEMP MODTCOMP

MAX3646 toc15

MAX3646 toc14

3.3V

= 12kΩ

TH_TEMP

LOW

t_init = 59.6ms

FAULT

= 7kΩ

TH_TEMP

HIGH

LOW

= 4kΩ

= 2kΩ

TH_TEMP

FAULT

TX_DISABLE

t_on = 23.8μs

TH_TEMP

TX_DISABLE

LOW

LASER

OUTPUT

LASER

OUTPUT

-10

10 20 30 40 50 60 70 80 90 100

10μs/div

20ms/div

TEMPERATURE (°C)

TRANSMITTER DISABLE

RESPONSE TO FAULT

FAULT RECOVERY TIME

MAX37646 toc16

MAX3646 toc17

MAX3646 toc18

PC_MON

FAULT

PC_MON

EXTERNALLY

FORCED FAULT

EXTERNALLY

FORCED FAULT

3.3V

LOW

FAULT

t_fault = 160ns

FAULT

HIGH

t_init = 58ms

HIGH

LOW

91.2ns

TX_DISABLE

LOW

TX_DISABLE

LASER

OUTPUT

LOW

LASER

OUTPUT

LASER

OUTPUT

20ns/div

400ns/div

40ms/div

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