Datasheet > MAX3646_11

MAX3646_11

更新时间： 2022-11-17 19:14:26

品牌	Logo	应用领域
美信 - MAXIM		驱动器
页数	文件大小	规格书
15页	296K
描述
155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

MAX3646_11 数据手册

155Mbps to 622Mbps SFF/SFP

Laser Driver with Extinction Ratio Control

MAX346

ELECTRICAL CHARACTERISTICS (continued)

= +2.97V to +3.63V, T = -40°C to +85°C. Typical values are at V

= +3.3V, I

= 60mA, I = 60mA, T = +25°C, unless

MOD A

BIAS

otherwise noted.) (Notes 1, 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

AUTOMATIC POWER AND EXTINCTION RATIO CONTROLS

Monitor-Diode Input Current

Range

Average current into the MD pin

1500

µA

MD Pin Voltage

1.4

mA/mA

µs

MD Current Monitor Ratio

APC Loop Time Constant

APC Setting Stability

APC Setting Accuracy

/ I

0.85

0.93

3.3

1.15

MD PC_MON

= 0.01µF, ΔI

/ ΔI

= 1/70

APC_FILT

BIAS

(Note 6)

= +25°C

100

480

ppm/°C

Compensation-Setting

MOD

K = ΔI

/ ΔI

1.5

1.0

mA/mA

mA/°C

°C

MOD

BIAS

Range by Bias

Compensation-Setting

MOD

TC = ΔI

/ ΔT (Note 6)

MOD

Range by Temperature

Threshold-Setting Range for

Temperature Compensation

(Note 6)

+10

+60

LASER SAFETY AND CONTROL

Bias and Modulation Turn-Off

Delay

= 0.01µF, ΔI

/ ΔI

= 1/80

APC_FILT

BIAS

µs

(Note 6)

Bias and Modulation Turn-On

Delay

APC_FILT

(Note 6)

600

µs

Threshold Voltage at Monitor Pins

INTERFACE SIGNALS

Figure 5

1.14

2.0

1.3

-70

1.39

REF

TX_DISABLE Input High

TX_DISABLE Input Low

= 45kΩ (typical)

0.8

PULL

= V

TX_DISABLE Input Current

µA

= GND

-140

0.4

TX_FAULT Output Low

Shutdown Output High

Shutdown Output Low

Sinking 1mA, open collector

Sourcing 100µA

- 0.4

Sinking 100µA

0.4

Note 1: AC characterization is performed using the circuit in Figure 2 using a PRBS 2²³- 1 or equivalent pattern.

Note 2: Specifications at -40°C are guaranteed by design and characterization.

Note 3: Excluding I

and I

. Input data is AC-coupled. TX_FAULT open, SHUTDOWN open.

MOD

BIAS

Note 4: Power-supply noise rejection (PSNR) = 20log (V

) / ΔV

). V

is the voltage across the 15Ω load when IN+

10 noise (on VCC

OUT

is high.

Note 5: The minimum required voltage at the OUT+ and OUT- pins is +0.75V.

Note 6: Guaranteed by design and characterization.

Note 7: Tested with 00001111 pattern at 622Mbps.

Note 8: DJ includes pulse-width distortion (PWD).

_______________________________________________________________________________________

1 234 5 6 7...15

下载PDF

与MAX3646_11相关器件

型号	品牌	描述	获取价格	数据表
MAX3646ETG	MAXIM	155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control	获取价格
MAX3646ETG+	MAXIM	155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control	获取价格
MAX3646ETGT	MAXIM	155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control	获取价格
MAX3646EVKIT	MAXIM	Evaluation Kit for the MAX3646	获取价格
MAX364C/D	MAXIM	Precision, Quad, SPST Analog Switches	获取价格
MAX364CPE	MAXIM	Precision, Quad, SPST Analog Switches	获取价格