MAX22507EEVKIT [MAXIM]
Operates from a Single 3V to 5V Supply;
| 型号： | MAX22507EEVKIT |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Operates from a Single 3V to 5V Supply |
| 文件： | 总6页 (文件大小：447K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Evaluates: MAX22507E/MAX22508E
MAX22507E Evaluation Kit
Startup Procedure
General Description
The EV kit is fully assembled and tested. Follow the steps
below to verify board operation.
The MAX22507E evaluation kit (EV kit) is a fully assembled
and tested PCB that demonstrates the functionality of
the MAX22507E and the MAX22508E full-duplex high
speed RS-485/RS-422 transceiver. The EV kit includes
on-board termination for easy point-to-point evaluation.
The EV kit is assembled using MAX22507E in a 10-pin
TDFN package, but also provides equivalent functional
evaluation for the MAX22508E, which is offered in a 8-pin
SOIC package.
1) Ensure that all jumpers are in their default positions
(see Table 1).
2) Set the DC power supply to 5V and connect the DC
power supply to the V
test point (TP1). Connect
CC
the ground terminal of the 5V supply to the GND test
point (TP2).
3) Turn on the power supply.
4) Set the signal/function generator to output a 25MHz
0V-to-5V square wave.
Features
● Operates from a Single 3V to 5V Supply
5) Connect the signal/function generator to the DI test
point (TP7).
6) Using the oscilloscope, verify that the Y (TP11), Z
(TP12), and RO (TP4) outputs switch as the DI signal
● Terminal Block Connectors for Easy RS-485/RS-422
Evaluation
● Fully Assembled and Tested
toggles.
Quick Start
Required Equipment
● MAX22507E EV kit
● 5V, 500mA DC power supply
● 50MHz signal/function generator
● Oscilloscope
Ordering Information appears at end of data sheet.
319-100698; Rev 0; 3/21
Evaluates: MAX22507E/MAX22508E
MAX22507E Evaluation Kit
Table 1. Jumper Table (J3‒J6, J8, J14)
Detailed Description of Hardware
The MAX22507E EV kit is a fully assembled and tested
circuit board for evaluating the MAX22507E high speed
full-duplex RS-485/RS-422 transceiver (U1). The EV kit
can be powered from a single supply and can be used
for standalone evaluation or can be connected (using the
on-board terminal block) to an RS-485/RS-422 network
for easy in-system evaluation. The MAX22508E does not
feature the driver enable (DE) or receiver enable (RE) pins.
To emulate the functional performance of the MAX22508E,
tie DE high (J4 is 1‒2) and RE low (J2 is 2‒3).
SHUNT
POSITION
JUMPER
DESCRIPTION
RE is high. The RS-485 receiver is
1‒2
disabled.
J2
RE is low. The RS-485 receiver is
2‒3*
1‒2*
2‒3
enabled.
DE is high. The RS-485 driver outputs
are enabled.
J4
J5
DE is low. The RS-485 driver outputs
are disabled.
Driver and Receiver Enable
DE and RE are not connected together.
J5 is DNI by default.
The EV kit features three jumpers (J2, J4, and J5) to
enable/disable the driver and receiver outputs. Set J2 to
low (2‒3) to enable the receiver. Set J4 to high (1‒2) to
enable the driver.
Open*
Closed
Open
DE and RE are connected together.
A is not connected to Y.
J13
J15
To actively control both enables, remove the J2 and J4
jumpers and close J5. Note that J5 is not installed, by
default. Install the J5 jumper to use this funcitonality.
Closed* A is connected to Y.
Open B is not connected to Z.
Closed* B is connected to Z.
Loopback Configuration
To test the MAX22507E in a loopback configuration, close
the J13 and J15 jumpers. J13 connects the A input to the
Y output. J15 connects the B input to the Z output.
*Default position.
Ordering Information
Termination for an End-of-Line Transceiver
PART
TYPE
The MAX22507E EV kit includes 120Ω termination resistors
between the Y and Z driver outputs (R6) and between the
A and B receiver inputs (R7) on the MAX22507E.
MAX22507EEVKIT#
EV Kit
#Denotes RoHS compliance.
Maxim Integrated
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Evaluates: MAX22507E/MAX22508E
MAX22507E Evaluation Kit
MAX22507E EV Kit Bill of Materials
ITEM
REF_DES
DNI/DNP
QTY
MFG PART #
MANUFACTURER
VALUE
DESCRIPTION
GRM21BR61A106KE19;
ECJ-2FB1A106;
CL21A106KPCLQNC;
GRM219R61A106KE44
CAPACITOR; SMT (0805); CERAMIC
CHIP; 10UF; 10V; TOL=10%; MODEL=; TG=-
55 DEGC TO +85 DEGC; TC=X5R
MURATA;PANASONIC;SAMSUNG
ELECTRONICS;MURATA
1
C1
C2
-
-
1
10UF
C0603C104K5RAC;
C1608X7R1H104K;
ECJ-1VB1H104K;
GRM188R71H104KA93;
CGJ3E2X7R1H104K080AA;
C1608X7R1H104K080AA;
CL10B104KB8NNN;
CL10B104KB8NFN
KEMET;TDK;PANASONIC;MURATA;
TDK;TDK;SAMSUNG ELECTRO-
MECHANICS;SAMSUNG
CAPACITOR; SMT (0603); CERAMIC
CHIP; 0.1UF; 50V; TOL=10%; TG=-55 DEGC
TO +125 DEGC; TC=X7R;
2
1
0.1UF
ELECTRONICS
CONNECTOR; MALE; THROUGH HOLE;
BREAKAWAY; STRAIGHT THROUGH;
3PINS; -65 DEGC TO +125 DEGC
3
4
5
J2, J4
J8, J9
-
-
-
2
2
2
PCC03SAAN
5-1634503-1
PCC02SAAN
SULLINS
PCC03SAAN
5-1634503-1
PCC02SAAN
OSTTC060162
CONNECTOR; FEMALE; THROUGH
HOLE; LOW PROFILE BNC PCB SOCKET;
STRAIGHT; 5PINS
TE CONNECTIVITY
SULLINS
CONNECTOR; MALE; THROUGH HOLE;
BREAKAWAY; STRAIGHT THROUGH;
2PINS; -65 DEGC TO +125 DEGC
J13, J15
CONNECTOR; FEMALE; THROUGH
HOLE; OSTTC-5.0 SERIES 2-INTERLOCK;
RIGHT ANGLE; 6PINS
6
7
8
J14
-
-
-
1
2
5
OSTTC060162
ON-SHORE TECHNOLOGY INC
VISHAY DALE
RESISTOR; 0805; 120 OHM; 1%;
100PPM; 0.125W; THICK FILM
R2, R6
CRCW0805120RFK
120
0
CRCW06030000ZS;
MCR03EZPJ000;
ERJ-3GEY0R00
RESISTOR; 0603; 0 OHM; 0%;
JUMPER; 0.10W; THICK FILM
R4, R5, R9, R10, R12
VISHAY DALE;ROHM;PANASONIC
MACHINE FABRICATED; ROUND-THRU
HOLE SPACER; NO THREAD; M3.5; 5/8IN;
NYLON
9
SPACER1-SPACER4
-
-
4
1
9032 KEYSTONE
9032
TEST POINT; PIN DIA=0.125IN; TOTAL
LENGTH=0.445IN; BOARD HOLE=0.063IN;
RED; PHOSPHOR BRONZE WIRE SIL;
10
TP1
5010 KEYSTONE
5011 KEYSTONE
5014 KEYSTONE
N/A
N/A
N/A
TEST POINT; PIN DIA=0.125IN; TOTAL
LENGTH=0.445IN; BOARD HOLE=0.063IN;
BLACK; PHOSPHOR BRONZE WIRE SILVER
PLATE FINISH;
11
12
TP2, TP3, TP10, TP13
TP4-TP9, TP11, TP12
-
-
4
8
TEST POINT; PIN DIA=0.125IN; TOTAL
LENGTH=0.445IN; BOARD HOLE=0.063IN;
YELLOW; PHOSPHOR BRONZE WIRE
SILVER PLATE FINISH;
EVKIT PART - IC; 50MBPS FULL-
DUPLEX RS-485/RS-422 TRANSCEIVERS
WITH HIGH EFT IMMUNITY; PACKAGE
OUTLINE DRAWING: 21-0061; PACKAGE
CODE: U10+6C; PACKAGE LAND PATTERN:
90-0330
13
U1
-
-
1
MAX22507EAUB+
MAX22507E
MAXIM
MAXIM
MAX22507EAUB+
14
15
PCB
1
0
PCB
PCB:MAX22507E
C0402C103K5RAC;
GRM155R71H103KA88;
C1005X7R1H103K050BE;
CL05B103KB5NNN;
UMK105B7103KV
CAPACITOR; SMT (0402); CERAMIC
CHIP; 0.01UF; 50V; TOL=10%; TG=-55
DEGC TO +125 DEGC; TC=X7R
KEMET;MURATA;TDK;SAMSUNG
ELECTRONIC;TAIYO YUDEN
C3, C4
DNP
0.01UF
CONNECTOR; MALE; THROUGH HOLE;
BREAKAWAY; STRAIGHT; 6PINS; -65 DEGC
TO +125 DEGC
16
J1
DNP
DNP
DNP
0
PBC06SAAN
131-5031-00
PCC02SAAN
SULLINS ELECTRONICS CORP.
TEKTRONIX
PBC06SAAN
131-5031-00
PCC02SAAN
CONNECTOR; WIREMOUNT; 3 GHZ
20X LOW CAPACITANCE PROBE;
STRAIGHT; 5PINS
17
18
19
J3, J6, J7, J10-J12
0
0
0
CONNECTOR; MALE; THROUGH HOLE;
BREAKAWAY; STRAIGHT THROUGH;
2PINS; -65 DEGC TO +125 DEGC
J5
SULLINS
CRCW0402100RFK;
9C04021A1000FL;
RC0402FR-07100RL
VISHAY DALE;PANASONIC;
YAGEO PHYCOMP
RESISTOR; 0402; 100 OHM; 1%;
100PPM; 0.063W; THICK FILM
R1, R3
R7, R8
DNP
DNP
100
RESISTOR; 0603; 1K; 1%; 100PPM;
0.10W; THICK FILM
20
0
CRCW06031K00FK;ERJ-3EKF1001
VISHAY DALE;PANASONIC
1K
TOTAL
35
Maxim Integrated
│ 3
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Evaluates: MAX22507E/MAX22508E
MAX22507E Evaluation Kit
MAX22507E EV Kit Schematic
5
4
5
4
3
2
3
2
5
4
5
4
3
2
3
2
T P 1 1
T P 1 2
1 0
5
5
4
3
2
2
3
4
5
1
1
1
1
J 8
J 9
2
3
2
3
4
5
4
5
Maxim Integrated
│ 4
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Evaluates: MAX22507E/MAX22508E
MAX22507E Evaluation Kit
MAX22507E EV Kit PCB Layout Diagrams
1”
1”
MAX22507E EV Kit—Top Silkscreen
MAX22507E EV Kit—Top Layer
1”
1”
MAX22507E EV Kit—Bottom Layer
MAX22507E EV Kit—Bottom Silkscreen
Maxim Integrated
│ 5
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Evaluates: MAX22507E/MAX22508E
MAX22507E Evaluation Kit
Revision History
REVISION REVISION
PAGES
CHANGED
DESCRIPTION
NUMBER
DATE
0
3/21
Initial release
—
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are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time.
©
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
2021 Maxim Integrated Products, Inc.
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