谢谢您的答复,我发现ADA4075-2好像不行,它是高压放大器;我们选用了AD8613,电路图如下所示,是否正确,期待您的答复
Hi All,
I have a question about the AD8495. Please take a look at the attachment.
I think it is not out of spec, but I would like to know the cause of these variation.
Regards,
Kazu
Hi Robert,
We have reference circuit for high impedance sensor as shown below though it uses opamps instead of inamps. Opamps use for this type of applications are AD8603, ADA466,1 AD4505 and AD8613.
Carlpiro,
As Kaung said, it's best if you can run the AD820 on 5V min. I'm retired from ADI, but used to be in the op amp group.
The problem with JFETs is the two to one or three to one variation in Vp and IDss. If you look at the schematic…
Klaus san
Thank you for your reply, and apologize for that reply becomes slow.
I drew the easy circuit diagram in the attachment.
In the case of ADG5208F's VDD : 24V, I think it has Ron about 450 ohm (typ.).
So it current is 5V/ 450ohm = 11mA…
你好,推荐使用AD8603,这款放大器的最大偏置电流及最大输入失调电流分别为1pf和0.5pf,可以满足测量1nA电流的需要。其它的放大器还有AD8605,AD8607,AD8609,AD8613,AD8615,AD8627等也可满足你的应用需求。I-V转换电路可以参考本论坛中西安交大知名教授杨建国最新力作——《你好,放大器》(电子书下载地址http://h.analog.com/China_ebook_hello_amp)中的161页运放检测电路方案。
参考电路图如下:
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对此,ADI推出了自动体外除颤器(AED)解决方案,可以自动诊断可能危及患者生命的心室纤维性颤动和心室性心博过速两种心律失常症状。
自动一词提示器件可以自主分析患者状况…
AD600 |
AD602 |
AD603 |
AD604 |
AD605 |
AD8264 |
AD8330 |
AD8331 |
AD8332 |
AD8334 |
AD8335 |
AD8336 |
AD8337 |
AD8338 |
ADL5246 |
ADL5330 |
ADL5331 |
LTC6412 |
HMC6187G |
HMC997G |
HMC996 |
HMC694G |
AD8368 |
AD8351 |
AD8367 |
AD75071 |
AD552… |