Part Number: PGA2505 Hi Sir,
I got a customer mentioned about PGA2505 application, there got one question need your support.
For the datasheet of PGA2505, there didn't mentioned about the application with single-end Amic. Could we pull-down the Vin- to…
Part Number: PGA2505EVM Other Parts Discussed in Thread: PGA2500EVM Hi
I using PGA2505EVM connect to PC with DB25 cable in EVM package,but there is no connection.
PC show LPT1 port in device manager,it loots no problem .
In the PGA2505EVM software , check…
Part Number: PGA2500
PGA250x datasheets don't seem to have any noise specs other than a graph, and it's not clear whether the graph measurements are A-weighted or flat 20-20k, 22-22k, etc.
Just trying to compare them fairly to other solutions…
Part Number: PGA2505 Other Parts Discussed in Thread: TLV2770 Hi,
Regaring Fig15 as below, will you suggest the value for Cc1、Cc2、R、2R、C ?
Thanks!
Antony
Other Parts Discussed in Thread: PGA2505 , PCM4204 , JFE150 , JFE2140 , JFE2140EVM , OPA1671 , OPA1678 , INA163 I'm designing a preamplifier for a GRAS 47AC microphone. It is a Pre-polarized 1/2" CCP mic with a frequency range from .09 to 20kHz. Does anyone have…
Hi Marvin,
Figure 14 below shows a typical microphone input circuit for the PGA2505. The footnotes describe the purpose of some of these components.
For the PGA2505EVM, many of the input components shown on the schematic are not populated or are replaced…
Other Parts Discussed in Thread: PGA2505 , PGA4311 I have designed a microphone amplifier circuit with PGA2505. It works OK, but every time I change PGA2505's GAIN, I would hear "clicks" or "pops". The DC Servo and Zero crossing detect of PGA2505 are enabled…
Other Parts Discussed in Thread: PGA2505 , OPA1632 Looking at the PGA2505 datasheet, Figure 17. This shows the connection if using the OPA1632 output buffer before going to the A/D. If I am not mistaken is the the polarity between the OPA1632 and the A…
Other Parts Discussed in Thread: PGA2505 , PGA2500 4705.PGA2505_Output.pdf Dear Sir,
My client intends to use PGA2505 in the next model also. However, he found some phenomenon about PGA2505 ouput phase in case un-balanced input.
----------- { Question }
Does…
Other Parts Discussed in Thread: PGA2505 Hello,
I believe there is an error in Figure 13 of the PGA2505 data sheet . The 4.7uF polarised capacitor attached to VA- (pin 17) appears to be connected the wrong way round.
I would be interested to know if my…