MAX9121EVKIT Maxim Integrated, MAX9121EVKIT Datasheet

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MAX9121EVKIT

Manufacturer Part Number
MAX9121EVKIT
Description
LVDS Interface IC Evaluation Kit for the MAX9121 MAX9122 MAX9123
Manufacturer
Maxim Integrated
Datasheet
1.MAX9121EVKIT.pdf (9 pages)

Specifications of MAX9121EVKIT

Number Of Drivers
4
Number Of Receivers
4
Data Rate
500 Mbps
Operating Supply Voltage
3 V to 3.6 V
Maximum Power Dissipation
755 mW
Propagation Delay Time
2.7 ns
Supply Current
25 uA
The MAX9121 evaluation kit (EV kit) contains a flow-
through low-voltage differential signaling (LVDS) quad
differential line driver (MAX9123) and receiver
(MAX9121). The differential line driver accepts LVTTL or
LVCMOS inputs and translates them to LVDS output sig-
nals. The receiver accepts LVDS inputs and translates
them to single-ended LVCMOS outputs. Both circuits
operate with high data rates and low power dissipation.
The MAX9121 EV kit is designed with 50Ω controlled-
impedance traces in a four-layer PC board. It is spe-
cially designed for direct differential probing of the
LVDS I/O. Connection points are provided for the
attachment of a cable to carry the LVDS signals.
The EV kit operates from a single 3.3V supply. In addi-
tion, a 1.2V power-supply input is provided for testing the
driver’s high-impedance propagation delays. A separate
supply option for the driver and receiver allows testing of
the common-mode performance of the receiver.
The MAX9121 EV kit can also be used to evaluate the
MAX9122, which is the same as the MAX9121 but with
integrated 107Ω (nominal) termination resistors.
Additional pads on the board are provided for dynami-
cally driving the enable and disable control signals with
a pulse generator.
19-2319; Rev 0; 1/02
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.
R2–R5, R7–R22
DESIGNATION
R1, R6, R23,
C3, C5–C8,
C1, C4, C9
C12–C23
R25–R28
R29–R32
R33–R40
C2, C11
C10
R24
________________________________________________________________ Maxim Integrated Products
QTY
12
20
3
2
6
0
4
4
8
General Description
10µF ±10%, 10V tantalum
capacitors (Case B)
AVX TAJB106K010R or
Kemet T494B106K010AS
1000pF ±10%, 50V X7R ceramic
chip capacitors (0402)
Murata GRM36X7R102K050A
0.1µF ±10%, 16V X7R ceramic
chip capacitors (0603)
Murata GRM39X7R104K016A
10pF ±0.1pF, 50V ceramic chip
capacitors (0402)
Murata GRM36COG100B050A
Not installed, open resistor pads
(0402)
49.9Ω ±1% resistors (0402)
100Ω ±1% resistors (0402)
2.0kΩ ±1% resistors (0603)
0Ω resistors (0603)
DESCRIPTION
MAX9121 Evaluation Kit
o Independent Driver (MAX9123) and Quad Receiver
o >500Mbps (250MHz) Switching Rate
o >800Mbps (400MHz) Switching Rate (MAX9123)
o Supports Testing of Twisted-Pair Cables
o 50Ω Controlled-Impedance Traces
o 16-Pin TSSOP Package
o Fully Assembled and Tested
Note: To evaluate the MAX9122, request a MAX9122EUE free
sample with the MAX9121EVKIT.
Note: Please indicate that you are using the MAX9121/MAX9122/
MAX9123 when contacting these component suppliers.
AVX
Kemet
Murata
RIN1+ to RIN4+
DESIGNATION
RIN1- to RIN4-,
MAX9121EVKIT
(MAX9121/MAX9122) Circuits
(MAX9121/MAX9122)
DIN1–DIN 4,
JU15–JU20
JU21–JU28
DEN, DEN,
JU7–JU14
REN, REN
JU1–JU6,
SUPPLIER
R41–R48
R49, R50
None
None
None
None
U1
U2
PART
QTY
12
12
0
0
8
8
0
1
1
8
1
1
1
Component Suppliers
803-943-0690
408-986-0424
814-237-1431
TEMP RANGE
Ordering Information
0°C to +70°C
PHONE
Not installed, open resistor pads
(0603)
Not installed, shorted resistor
pads (0603)
3-pin headers
4-pin headers
2-pin headers
Not installed, SMA edge-mount
connectors
SMA edge-mount connectors
MAX9123EUE (16-pin TSSOP)
MAX9121EUE (16-pin TSSOP)
Shunts (JU1, JU6, JU15–JU20)
MAX9121 PC board
MAX9121 EV kit data sheet
MAX9121/MAX9122 data sheet
Component List
DESCRIPTION
IC PACKAGE
16 TSSOP
803-626-3123
408-986-1442
814-238-0490
Features
FAX
1

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MAX9121EVKIT Summary of contents

Page 1

... Controlled-Impedance Traces o 16-Pin TSSOP Package o Fully Assembled and Tested Ordering Information PART TEMP RANGE MAX9121EVKIT 0°C to +70°C Note: To evaluate the MAX9122, request a MAX9122EUE free sample with the MAX9121EVKIT. Component Suppliers SUPPLIER PHONE AVX 803-943-0690 Kemet 408-986-0424 Murata 814-237-1431 Note: Please indicate that you are using the MAX9121/MAX9122/ MAX9123 when contacting these component suppliers ...

Page 2

MAX9121 Evaluation Kit The MAX9121 EV kit is a fully assembled and tested sur- face-mount board. The EV kit contains an LVDS differen- tial line driver located on the upper-half circuit, and receiver located on the lower-half circuit. Recommended Equipment ...

Page 3

Table 3. Receiver Probing Connections IC OUTPUT CHANNEL NAME PIN NAME IN1- Channel 1 IN1+ IN2+ Channel 2 IN2- IN3- Channel 3 IN3+ IN4+ Channel 4 IN4- 4) Connect a function generator that provides square waves to the input of ...

Page 4

MAX9121 Evaluation Kit Probing Connections The MAX9121 EV kit is designed for direct differential probing connections. Table 2 lists the direct probing connections on the respective pins for all input and out- put signals and their respective testing points. Table ...

Page 5

MAX9123 DIN1 DIN2 DIN3 DIN4 DRIVER CIRCUIT (UPPER-HALF CIRCUIT) Figure 1. Twisted-Pair Cable Interconnect Diagram _______________________________________________________________________________________ MAX9121 Evaluation Kit DOUT1+ IN1+ DOUT1- IN1- DOUT2+ IN2+ DOUT2- IN2- DOUT3+ IN3+ DOUT3- IN3- DOUT4+ IN4+ DOUT4- IN4- MAX9121 OUT1 100Ω OUT2 100Ω ...

Page 6

MAX9121 Evaluation Kit VCC1 1 JU1 DEN 1 2 SMA OPEN VCC1 1 JU2 DIN1 1 2 SMA 49.9Ω 1% VCC1 1 JU3 DIN2 1 2 SMA 49.9Ω 1% VCC1 C1 ...

Page 7

RIN1- 1 SMA 2 R15 R33 49.9Ω IN1- 0Ω 1% R34 IN1+ 0Ω RIN1+ 1 SMA 2 R16 49.9Ω 1% RIN2+ 1 SMA 2 R17 R35 49.9Ω IN2+ 0Ω 1% R36 IN2- 0Ω RIN2- 1 SMA 2 R18 49.9Ω 1% ...

Page 8

MAX9121 Evaluation Kit 1.0" Figure 4. MAX9121 EV Kit Component Placement Guide— Component Side 1.0" Figure 6. MAX9121 EV Kit PC Board Layout—Inner Layer 2 8 _______________________________________________________________________________________ 1.0" Figure 5. MAX9121 EV Kit PC Board Layout—Component Side ...

Page 9

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2002 Maxim Integrated Products MAX9121 Evaluation Kit 1.0" ...

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