Programmable Gain Amplifiers

Programmable gain amplifiers - or PGAs - are a type of electronic amplifier that allow you to control the gain in an electronic circuit (the ratio of output voltage, current or power to input) with digital signals. The gain can be set from less than 1 to over 100 volts.

What do programmable gain amplifiers do?

Programmable gain amplifiers work by increasing the power of a signal (a time-varying voltage or current) in your electronic circuit.

They use electric power from a power supply to increase the amplitude of a signal. The amount of amplification provided by the programmable gain amplifier is measured by its gain.

Applications for programmable gain amplifiers

Common applications for programmable gain amplifiers are motor control, signal and sensor conditioning, as well as in bar code readers and digital cameras. They can also be used for A/D converter driver applications, multiplexed analog applications, data acquisition, industrial instrumentation, test equipment and for use in medical instruments.


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Description Price Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Maximum Input Offset Voltage Maximum Input Resistance Number of Channels per Chip Rail to Rail Mounting Type Package Type Pin Count Minimum CMRR Output Type Dimensions Height
RS Stock No. 197-7470
Mfr. Part No.PGA103U
PHP428.064
Each (In a Tube of 75)
units
Single Variable ±15V 1.5mV - 1 No - SOIC 8 - - - -
RS Stock No. 162-8307
Mfr. Part No.PGA113AIDGST
PHP97.13
Each (On a Reel of 250)
units
Single 2.2 → 5.5 V - ±325µV 150Ω 1 Rail to Rail Output Surface Mount VSSOP 10 - Rail to Rail 3.1 x 3.1 x 0.95mm 0.95mm
RS Stock No. 162-5478
Mfr. Part No.PGA112AIDGST
PHP118.592
Each (On a Reel of 250)
units
Single 3 V, 5 V - 0.325mV 10000MΩ 1 Rail to Rail Input/Output Surface Mount MSOP 10 - Rail to Rail 3 x 3 x 1.02mm 1.02mm
RS Stock No. 661-2426
Mfr. Part No.PGA112AIDGST
PHP175.37
Each
units
Single 3 V, 5 V - 0.325mV 10000MΩ 1 Rail to Rail Input/Output Surface Mount MSOP 10 - Rail to Rail 3 x 3 x 1.02mm 1.02mm
RS Stock No. 814-3745
Mfr. Part No.PGA113AIDGST
PHP146.118
Each (In a Pack of 5)
units
Single 2.2 → 5.5 V - ±325µV 150Ω 1 Rail to Rail Output Surface Mount VSSOP 10 - Rail to Rail 3.1 x 3.1 x 0.95mm 0.95mm
RS Stock No. 197-7471
Mfr. Part No.PGA103U
PHP497.005
Each (In a Pack of 2)
units
Single Variable ±15V 1.5mV - 1 No - SOIC 8 - - - -