Part Number: OPA1622 Other Parts Discussed in Thread: LM27762
Tool/software:
Hi Sir,
My customer is using OPA1622 for their audio driver application.
1. Please help to check if the schematic is ok.
2. Can we connect OPA1622's thermal pad to…
Part Number: OPA1622 Other Parts Discussed in Thread: INA1620 , , OPA1637 Tool/software: So, as is the way of engineers, I have seen a square hole and a round peg, and decided the two must meet.
I have an application where I need to be able to toggle…
Part Number: OPA1622 Hi Expert,
A customer plans to use OPA1622 for an overhead phone with direct connection of a low resitor speaker. Few questions need your advice.
(Question 1) WIth +/-4V supply, OpAmp output 2Vrms connects 24ohm speaker. With…
Part Number: OPA1622 Other Parts Discussed in Thread: PSIEVM , OPA1612 , OPA1662 Dear Sir,
In User's Guide SBAU289–October 2017, Precision Signal Injector EVM (PSIEVM) an eighth-order filter is implemented. However 2 stages use opamp OPA1662AID and…
Part Number: OPA1622 Other Parts Discussed in Thread: TLV320AIC3104 , PGA2311 , , TPA6120A2 , INA1620 , BUF634
I am currently working on a project where I am using the TLV320AIC3104 audio codec. To increase the output range and provide volume control…
Part Number: OPA1622 Hi,
What is the maximum forward current of the output protection diodes inside the OPA1622? For the input diodes between +IN and -IN it is 10mA. Is it the same for all other diodes?
My customer saw higher current into the output…
Part Number: OPA1622 Tool/software: Hi,
I'm hoping to continue the conversation from this previous thread here: https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1421389/opa1622-en-shutdown-not-working
Does your team have recommendations…
Part Number: OPA1622 Tool/software: I am unable to find a dimensioned package drawing fore this device. The package name is VSON (DRC). I have checked on your website and the datasheet obviously. Can you please help.
Part Number: OPA1622 Other Parts Discussed in Thread: OPA1632 Tool/software: Hello,
I am using the OPA1622 in a design as unity gain buffer, as shown below.
The Enable pin is normally pulled up to 34V1 (34V) using a 22k resistor. Then I have an…
Part Number: OPA1622
Tool/software:
Hi,
I am making a studio headphone amplifier product based on the AK4499EX DAC (as discussed in a linked post). I would like more output power than a single OPA1622 can provide (300mA current would be ideal, even…