TI E2E Community
Precision Amplifiers Forum
Isolation Amplifier Power Supply
This is a question on TI part ISO124, which is an Isolation Amplifier.
I never used it before, but the data sheet states that the power supply voltage is +/-4.5V Min and +/-18V Max.
1. Do I need both plus and minus power supply (+Vs1 and -Vs1), if my input signal is +1.5V and changes with time to 0.2V Min? May I ground -Vs1?
2. Do I need +Vs2 and -Vs2, if I am expecting +1.5V at the output, or I can put -Vs2 to GND? (Gain is 1 in accordance with data sheet).
3. May I use different voltages, e.g. Vs1=+5V, Vs2=-15V?
Thanks in advance for your help,
All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with respect to these materials. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.
TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs andembedded processors, along with software, tools and the industry’s largest sales/support staff.