Integration is the name of the game with Texas Instruments latest programmable gainamplifiers (PGA). Destined for microprocessor-based applications such as portable data acquisition, remote meter ...

Providing users with digital control over the analog domain, the MCP6S2x family of programmable gain amplifiers (PGAs) integrates an amplifier, MUX and gain control accessible via a SPI bus.

The AD628 common-mode differential amplifier is said to be the first such device to provide programmable gain. Using an external resistor, the amplifier can be set for a gain range from 0.1 to 1,000.

There are different methods to measure current. One method is to use a resistor across a current output and measure the voltage. The voltage across the resistor is measured using ohm's law: where I is ...