AD8251-EVALZ

UG-925 AD8251-EVALZ User Guide
Rev. A | Page 4 of 6
6. Finally, change the signal generator amplitude to a 10 mV
differential signal and set Switch 3 on the SW3 DIP switch
to the on position to set G = 8. The result must resemble
Figure 5.
Figure 5. Output of the AD8251-EVALZ when G = 8
7. If Switch 1 is set to on, the AD8251 does not update any
changes to the gain. Checking the gains validates the basic
operation of the AD8251-EVALZ.
06838-005
CH1 100mV/DIV
0.0mV OFFSET
2
1
500µs/DIV
500kS 100MS/s
AD8251-EVALZ User Guide UG-925
Rev. A | Page 5 of 6
EVALUATION BOARD SCHEMATIC AND ARTWORK
Figure 6. AD8251-EVALZ Evaluation Board Schematic
Figure 7. AD8251-EVALZ Silkscreen
06838-006
VIN
GND
GND
VIN+
SET
OFF
WR
A0
A1
U4
SW3
AD8250
AD8251
AD8253
ANALOG
DEVICES
IN+
IN
GND
OUT
06838-007
UG-925 AD8251-EVALZ User Guide
Rev. A | Page 6 of 6
ORDERING INFORMATION
BILL OF MATERIALS
Table 1.
Qty Reference Designator Description Manufacturer Part Number
1 J5 Standard 2.54 mm spacing, 2-pin header TE Connectivity 826646-2
6 R3, R4, R6, R7, R9, R15 Resistors 0 Ω short, 0603 Vishay CRCW06030000Z0EA
2 C4, C5 Capacitors, 0.01 μF, 50 V, 0603 Vishay VJ0603Y103KXAAC
2 C6, C7 Capacitors, 0.22 μF, 0805, C0G Kemet C0603X224K3RACTU
3 R1, R2, R5 Resistors, 10 kΩ, 0603 KOA Speer RK73H1JTTD1002F
3 J13, J14, J16 Black, large test points Kobiconn 151-103-RC
6 J7, J9 to J12, J15 Black, large test points Kobiconn 151-103-RC
2 J6, J8 Red, large test points Kobiconn 151-107-RC
5 C8, C9, C11 to C13 Capacitors, 2.2 μF, 1206, 25 V Vishay VJ1206V225MXXTW1BC
R8
Resistor, 330 Ω, 1%
Vishay
CRCW0603330RFKEA
1 SW3 3-way DIP switch CTS 209-3LPST
1 U4 Standard 12 V linear regulator STMicroelectronics L78M05CDT-TR
1 LED1 Blue LED, 3.4 V typical, 0805 Lite-On LTST-S220TBKT
1 U1 AD8251 programmable gain instrumentation
amplifier (PGIA)
Analog Devices, Inc. AD8251ARMZ
4 J1 to J4 Standard size, end launch SMA connectors Molex 0732511150
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection
circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
Legal Terms and Conditions
By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the Evaluation Board”), you are agreeing to be bound by the terms and conditions
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until
you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made
by and between you (“Customer”) and Analog Devices,
Inc. (“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal,
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term
“ Thi rd Par ty ” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer
may not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board.
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written
notice to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED AS IS” AND ADI MAKES NO
WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED,
RELATED TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF
INTELLECTUAL PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS
LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S
POSSESSION OR USE OF THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES
SHALL BE LIMITED TO THE AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will
comply with all applicable United States federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of
the Commonwealth of Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts,
and Customer hereby submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is
expressly disclaimed.
©20152016 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
UG06838-0-7/16(A)

AD8251-EVALZ

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
BOARD EVALUATION FOR AD8251 PGA
Lifecycle:
New from this manufacturer.
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