PGA308EVM

Series:	--
Part Status:	Active
Type:	Interface
Function:	Sensor, Bridge
Embedded:	No
Utilized IC / Part:	PGA308
Primary Attributes:	Signal Conditioning for Bridge-Type Sensors
Supplied Contents:	Board(s), Cable(s)
Secondary Attributes:	Graphical User Interface, USB Interface

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Evaluation and Demonstration Boards and Kits: PGA308EVM

The PGA308EVM (Evaluation Module) is an evaluation board that is used to study the application field and working principle of PGA308, a low-power programmable gain amplifier (PGA). The board features an onboard PGA308EVM, providing convenient signal and power connections for quick prototyping and evaluation of selected applications. It provides efficient tracking of the input gain to ensure stable gain accuracy regardless of variances in supply voltage, temperature, and input signal attack.The PGA308EVM is based on a low-power BiCMOS process and features a wide operating temperature range of -40 to +85 degrees Celsius. Its special circuitry design further reduces power consumption with low quiescent current draw and excellent signal bandwidth from dc to 100-kHz. This makes it an ideal choice for fast and accurate amplification of low-level signals for broad range of applications.The PGA308EVM offers a wide range of selection of gain, from 1 to 128. The gain at each pin can be adjusted to the desired level by manually programming the PGA308EVM or via commands from a remote control application. In addition, a gain limit register is provided to protect the circuit from possible over-driving. This feature is especially useful when the gain must be adjusted quickly and accurately without manual intervention.The PGA308EVM provides a simple way to evaluate the PGA308 performance before its final implementation. The board can be connected to any audio source and the gain can be adjusted instantly via the onboard digital knobs. This feature ensures that all system parameters are correctly set and the signal will not be distorted or saturated.Additionally, the PGA308EVM also features a wide range of protection features to protect the circuit from any unwanted over-driving. It includes an over-current protection on the supply, protection pins for over-voltage protection, and a static protection switch to prevent any accidental connection to the positive supply voltage. These protection features ensure complete protection of the circuit in any environment.The PGA308EVM board also includes a software GUI for easy programming and adjustment of parameters. The software is highly intuitive and designed to provide quick and accurate gain settings. The GUI also allows users to monitor the circuit performance and adjust the gain settings with ease.For users who wish to further investigate the PGA308’s performance, the PGA308EVM provides access to a number of diagnostic signals. The signals include voltage and current measuring points, and a suite of test signals to measure the PGA308’s distortion and quantization performance. Furthermore, the board supports extensive oscilloscope probing of the gain-setting and ringing circuits to observe the PGA308’s behavior and response.The PGA308EVM is a powerful and versatile evaluation board that simplifies the evaluation of the PGA308 amplifier circuit. With its wide range of gain selection, protection features, and software GUI, the board is an ideal tool to accurately prototype and evaluate the performance of the PGA308 in any audio application.

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