Maxim MAX3296 Instruction Manual Download Page 1

General Description

The MAX3296 longwave (LW) evaluation kit (EV kit) is
an assembled, surface-mount demonstration board that
provides easy optical and electrical evaluation of the
MAX3286 1.25Gbps laser driver or the MAX3296
2.5Gbps laser driver in the common-anode configura-
tion. This kit allows evaluation of the MAX3286/MAX3296
with long-wavelength laser diodes. Long-wavelength
(1310nm and greater) laser diodes are typically pack-
aged with their anode connected to a photodetector’s
cathode.

Refer to the MAX3296EVKIT-SW for evaluation of the
MAX3286/MAX3296 with short-wavelength laser diodes
and VCSELs.

Features

Drives Common-Anode Lasers

Includes Socket for Laser Insertion

LED Fault Indicator

Evaluates Either MAX3286 or MAX3296 (installed)

Adjustable Laser Bias Current

Adjustable Laser Modulation Current

Adjustable Laser Modulation Current Tempco

Configured for Electrical Operation, No Laser
Necessary

Evaluates:  MAX3286/MAX3296

MAX3296 Longwave (Common Anode)

Evaluation Kit

________________________________________________________________

Maxim Integrated Products

1

19-1643; Rev 1; 6/00

Component List

PART

MAX3296CGIL

0°C to +70°C

TEMP. RANGE

IC PACKAGE

28 QFN

Open, user-supplied (laser diode and
photodiode assembly, see Figure 1)

0

D2

10µF ±10%, 16V tantalum capacitor
AVX TAJC106K016

1

C24

Open, user-supplied (0402)*

0

C18

DESIGNATION

0.1µF ±10%, 10V min, X7R ceramic
capacitor (0603)

1

C17

0.01µF ±10%, 10V min, X7R ceramic
capacitors (0402)

11

C6–C10, C15,

C16, C21, C27,

C28, C29

DESCRIPTION

QTY

Ferrite bead 
Murata BLM11HA601SG

1

L7

Ferrite bead (included but not installed)
Murata BLM11HA102SG

1

L5

Ferrite beads 
Murata BLM11HA102SG

2

L3, L6

Red LED

1

D4

0

±5% resistor (0402)

1

R1

Test points 
Digi-Key 5000K-ND

10

TP5–TP8, TP11,

TP12, TP13,
TP16, TP17,

TP18

Test points 
Digi-Key 5000K-ND

2

J9, J10

2-pin headers (0.1in centers) 
Digi-Key S1012-36-ND

5

JU6–JU10

SMA connectors (edge mount)
EFJohnson 142-0701-801 or 
Digi-Key J502-ND

3

J3, J4, J6

1k

±5% resistor (0402)

1

R28

6.8

±5% resistor (0402)

1

R27

511

±1% resistor (0402)

1

R26

MAX4322EUK (5-pin SOT23)

1

U4

MAX3286CHJ (32-pin TQFP, included
but not installed)

1

U3**

MAX3296CHJ (32-pin TQFP)

1

U3**

Zetex FMMT491A

1

Q6

Zetex FMMT591A

1

Q5

49.9

±1% resistor (0402)

1

R19

24.9

±1% (0402)*

1

R17

36

±5% resistor (0603)

1

R15

DESIGNATION

50k

variable resistor 

Bourns or Digi-Key 3296W-503-ND

1

R8

DESCRIPTION

QTY

100k

variable resistors 

Bourns or Digi-Key 3296W-104-ND

2

R7, R14

Ordering Information

18

±5% resistor (0402)

1

R16

36

±5% resistor (0402)

1

R29

115

±1% resistor (0402)

1

R6

MAX3296EVKIT-LW

0°C to +70°C

32 TQFP

MAX3296CGI (28-pin QFN)

1

U1**

MAX3286CGI (28-pin QFN, included
but not installed)

1

U1**

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Summary of Contents for MAX3296

Page 1: ...pacitor AVX TAJC106K016 1 C24 Open user supplied 0402 0 C18 DESIGNATION 0 1 F 10 10V min X7R ceramic capacitor 0603 1 C17 0 01 F 10 10V min X7R ceramic capacitors 0402 11 C6 C10 C15 C16 C21 C27 C28 C2...

Page 2: ...ORDLY 10 If you intend to power the board from a 5V supply place a jumper across JU6 LV Do not apply power yet 11 Make sure there is no jumper on JU10 FLTDLY This enables the safety circuitry 12 Attac...

Page 3: ...esired laser modulation current is obtained Turning the R8 potentiometer screw clockwise increases the laser modulation current COMPONENT NAME FUNCTION D4 Fault The LED shines red when a fault has occ...

Page 4: ...ommodate the MAX3286 Desolder and remove the MAX3296 the EV board ships with the MAX3296CHJ installed and replace it with the MAX3286CHJ includ ed with the EV kit No other circuit modifications are ne...

Page 5: ...21 0 01 F R14 100k R SET R7 100k R TC R8 50k R MOD R26 511 VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC GND VCC 2 4 1 3 D2 L5 C E A C Q6 FMMT491A Q5 FMMT591A SP2 SP1 3 4 U4 R28 1k TP18 TP13 TP16 MAX432...

Page 6: ...___________________________________________________________________________________ Figure 3 MAX3296 LW EV Kit Component Placement Guide Top Silkscreen Figure 4 MAX3296 LW EV Kit PC Board Layout Compo...

Page 7: ...ave Common Anode Evaluation Kit _______________________________________________________________________________________ 7 Figure 6 MAX3296 LW EV Kit PC Board Layout Power Plane 1 0 1 0 Figure 7 MAX329...

Page 8: ...4 100k R SET R7 100k R TC R8 50k R MOD R26 511 VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC12 VCC12 GND VCC D2 L5 OPEN C E B A C Q6 FMMT491A Q5 FMMT591A SP2 SP1 3 4 U4 R28 1k TP18 TP13 TP16 MAX4322 R29...

Page 9: ...___________________________________________________________________________ 9 Figure 9 MAX3296CGI LW EV Kit Component Placement Guide Top Silkscreen Figure 10 MAX3296CGI LW EV Kit PC Board Layout Comp...

Page 10: ...idated for each customer application by customer s technical experts Maxim products are not designed intended or authorized for use as components in systems intended for surgical implant into the body...

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