Hello Elisha,
The interstage network is intended to be pretty flexible including the idea of adding image reject filters right there. Often the high speed dacs are specified with a 50ohm at their outputs to ground (for current sourcing DACs) and the…
Part Number: THS3217 Other Parts Discussed in Thread: THS3091 , THS3491 Team,
Please help to answer on customer query on previous e2e thread - https://e2e.ti.com/support/data-converters/f/73/t/839127
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Hi Rohit,
We thank for your support…
After digging into this further, I found the following function generator reference designs on ti.com here:
www.ti.com/.../source_generation__function_generator_arbitrary_waveform_generator
These three reference designs seem particularly relevant:
…
Check out THS3217 Diff-amp. This is a high bandwidth, high signal swing device. Reference TI Design TIDA-00684 which showcases a DAC with diff-amp application. The TI Design is centered on the DAC38J84 but that output interface is very similar to the…
Hi Kang,
Thank you for your prompt reply.
I had looked at one of your reference design:
http://www.ti.com/tool/tida-00684
and was wandering if I can add opamps to amplify the dac outputs. I understand that the slew rate of opams might be a problem in…
Yes, you can always use the standard filtering techniques on the output. Ferrite beads, etc. should go after the diode and output cap and be placed on the power plane as it is routed to the load.
Any buck converter can be used as an inverter, though…
Jingtai,
Not that I know of. Can you use an amplifier in your design? If so, take a look at the TSW3080EVM reference design for an example. A TI design using this product can be found at the following link:
www.ti.com/.../TIDA-00684 generator&tisearch=…
Thanks for your support. TIPD125 is a bipolar output configuration except its lower converting speed. TIDA-00684 and TIDA-00075 convert at higher speed but they are unipolar output thus are not able to output +/-10V. Are there any solutions at higher…
Hello Oliver, The THS3217 is another potential option. This device was built specifically as line driver for current output DACs. There is also a reference design for an Arbitrary Waveform Generator using the DAC38J84, THS3217 and THS3091. A link to the…
Part Number: THS3091 Other Parts Discussed in Thread: TIDA-00684 I intend to use two THS3091 in a current sharing arrangement, operating from +/-15V to generate signals of up to 20Vpk-pk on 100Ohm (10Vpk-pk after 50 Ohm termination). Ideally I would like…