EVAL-INAMP-82RZ Analog Devices Inc, EVAL-INAMP-82RZ Datasheet
EVAL-INAMP-82RZ
Specifications of EVAL-INAMP-82RZ
Related parts for EVAL-INAMP-82RZ
EVAL-INAMP-82RZ Summary of contents
Page 1
... AD8220, AD8221, and AD8228 products. The EVAL- INAMP-82RMZ board is shipped with an assortment of MSOP surface-mount ICs. To get started, see the Quick Start for the EVAL-INAMP-82RZ and EVAL-INAMP-82RMZ section of this data sheet. BASIC OPERATION The AD620 and AD8220 series in-amps convert a differential input signal to a single-ended output signal, with respect to a reference voltage ...
Page 2
... EVAL-INAMP-82RMZ Boards Heading ....................................... 7 Changes to Ordering Guide ............................................................ 8 12/07—Revision 0: AD623-EVALZ Initial Version 6/03—Revision 0: AD623-EVAL Initial Version Guard Drivers ................................................................................5 User Options ..................................................................................6 Quick Start for the EVAL-INAMP-82RZ and EVAL-INAMP- 82RMZ Boards ...................................................................................7 Reference ........................................................................................7 Input ................................................................................................7 Output .............................................................................................7 Ordering Guide .............................................................................8 ...
Page 3
... W14 NOTES 1 INSTALL FOR AC COUPLING ONLY USE GUARD DRIVER, INSTALL R5 AND R6 INSTEAD AND AUX –V AUX Figure 1. EVAL-INAMP-62RZ (AD620 Series) Schematic Diagram Rev Page EVAL-INAMP-62RZ/82RZ/82RMZ COMPONENTS IN SHADED AREAS ARE USER SUPPLIED. 6 OUTPUT W12 R8 EXT_REF W13 +V AUX W11 OP177 C10 CS2 0.1µ ...
Page 4
... QUICK START FOR THE EVAL-INAMP-62RZ BOARD CIRCUIT OPTIONS Single-Supply Operation A jumper is provided to select between single or dual power supplies. The evaluation board is shipped with W14 in the dual- supply position. To convert to single supply, place W14 in the position marked with a ground symbol. Gain Adjustment The gain of the AD621 is pin selectable where (default 100 (strap Pin 1 and Pin 8) ...
Page 5
... V (refer to the device data sheet). The EVAL-INAMP-62RZ provides single and differential guards. Differential guards drive the shields with essentially the same signals as the inputs, whereas the single guard can be used for dual conductor cables. In this mode, the +GUARD drives the shield at ½ ...
Page 6
... Offset Regulators C7 to C10 0.1 μ ceramic capacitor A1 OP177 precision op amp CS1, CS2 J500 240 μA current source R9, R10 5.9 kΩ, 1% metal film resistor pin to GND or to −V of the evaluation board Rev Page Status Not installed Not installed Installed Installed Not installed ...
Page 7
... QUICK START FOR THE EVAL-INAMP-82RZ AND EVAL-INAMP-82RMZ BOARDS The quick start instructions in this section assume that the evaluation board is in default condition as shown in Table 7. Separate evaluation boards are available for the AD822x SOIC for MSOP devices (see the Ordering Guide section.) Table 7 ...
Page 8
... EVAL-INAMP-62RZ/82RZ/82RMZ ORDERING GUIDE Model Description EVAL-INAMP-62RZ 1 AD620 Series SOIC Evaluation Board 1 EVAL-INAMP-82RZ AD8220 Series SOIC Evaluation Board EVAL-INAMP-82RMZ 1 AD8220 Series MSOP Evaluation Board RoHS Compliant Part. ©2003–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. ...