MAX3934AD datasheet(2/10 Pages) MAXIM

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10.7Gbps Compact Laser Diode Driver

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC - VEE = 4.75V to 5.5V, TA = -40°C to +85°C. Typical values are at VCC - VEE = 5V, IBIAS = 35mA, IMOD = 65mA, and

TA = +25°C, unless otherwise noted.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Supply Voltage (VCC - VEE) ...................................-0.5V to +6.0V

Voltage at IN+, IN- ..........................(VCC - 1.2V) to (VCC + 0.5V)

PLRT, BIASMON, MODMON ...........(VEE - 0.5V) to (VCC + 0.5V)

BIASSET ...........................................(VEE - 0.5V) to (VEE + 2.6V)

MODSET ...........................................(VEE - 0.5V) to (VEE + 1.4V)

Current into IN+, IN-.......................................-24mA to +30.5mA

Current into OUT1+, OUT2+,OUT1-, OUT2-....-20mA to +200mA

Current into BIAS ............................................-20mA to +100mA

Storage Temperature Range .............................-55°C to +150°C

Operating Junction Temperature Range ...........-55°C to +150°C

Processing Temperature (die) .........................................+400°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Power-Supply Voltage

VCC - VEE

4.75

5.50

Power-Supply Current

ICC

Excluding IMOD and IBIAS,

data inputs AC-coupled

110

Power-Supply Noise Rejection

PSNR

(Notes 1, 2)

SIGNAL INPUT

Input Data Rates

NRZ

10.7

Gbps

Single-Ended Input Resistance

To VCC

42.5

58.5

Ω

f < 10GHz

Single-Ended Input Return Loss

(Note 1)

10GHz

≤ f ≤ 15GHz

Single-Ended Input Voltage

(DC-Coupled)

VIS

Figure 2a

VCC - 1

VCC

Single-Ended Input Voltage

(AC-Coupled)

VIS

Figure 2b

VCC -

0.4

VCC +

0.4

Differential Input Voltage

(DC-Coupled)

VID

Figure 4

0.2

2.0

VP-P

Differential Input Voltage

(AC-Coupled)

VID

Figure 4

0.2

1.6

VP-P

LASER BIAS

Bias Current-Setting Range

IBIAS

(Note 3)

Bias Sensing Resistor

RBIAS

5.4

6.6

Ω

Bias Current Temperature

Stability

(Note 1)

-480

+480

ppm/°C

IBIAS

≥ 10mA, VBIAS < VCC - 1.2V

-10

+10

Bias Current-Setting Error

(Note 3)

IBIAS = 1mA, VBIAS < VCC - 1.2V

-20

+20

Bias Off-Current

BIASSET

≤ VEE + 0.4V

0.1

LASER MODULATION

Modulation Current-Setting Range

IMOD

(Note 5)

Modulation Sensing Resistor

RMOD

2.7

3.3

Ω

Modulation Current Temperature

Stability

(Note 1)

-480

+480

ppm/°C

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