MAX3656(2010) Ver la hoja de datos (PDF) - Maxim Integrated

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componentes Descripción

Fabricante

MAX3656
(Rev.:2010)

155Mbps to 2.5Gbps Burst-Mode Laser Driver

Maxim Integrated 

155Mbps to 2.5Gbps Burst-Mode

Laser Driver

BEN+

BEN-

IBIAS

+

IMOD

ENABLE DELAY

BEN ±MIDPOINT

10% OF IBIAS

IFINAL × 110%

IFINAL

IFINAL × 90%

DISABLE DELAY

Figure 1. Enable and Disable Delay Times

VCC

22.1Ω

OUT-

MAX3656

OUT+

BIAS+

BIAS-

49.9Ω VCC

22.1Ω

IMOD

Z0 = 50Ω

VCC

26.7Ω

IBIAS

Z0 = 50Ω

121Ω VCC

OSCILLOSCOPE

50Ω

50Ω

26.7Ω

35.7Ω

Figure 2. Output Termination for Characterization

(TA = +25°C, unless otherwise noted.)

OPTICAL EYE DIAGRAM

(155.52Mbps, 117MHz FILTER,

PATTERN = 223 - 1 PRBS)

MAX3656 toc01

Typical Operating Characteristics

OPTICAL EYE DIAGRAM

(622.08Mbps, 467MHz FILTER,

PATTERN = 223 - 1 PRBS)

MAX3656 toc02

OPTICAL EYE DIAGRAM

(1.24416Gbps, 933MHz FILTER,

PATTERN = 223 - 1 PRBS)

MAX3656 toc03

EXCELIGHT SLT2886-LR LASER

AVERAGE OPTICAL POWER = -6dBm

EXTINCTION RATIO = 15dB

MASK MARGIN = 45%

EXCELIGHT SLT2886-LR LASER

AVERAGE OPTICAL POWER = -6dBm

EXTINCTION RATIO = 15dB

MASK MARGIN = 40%

EXCELIGHT SLT2886-LR LASER

AVERAGE OPTICAL POWER = -6dBm

EXTINCTION RATIO = 12dB

MASK MARGIN = 31%

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