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. 162-5106
Mfr. Part No.LMH6704MA/NOPB
£2.737
Each (In a Tube of 95)
Units
Dual - ±3 V, ±5 V 8.3mV 1MΩ 1 No Surface Mount SOIC 8 - - 4.9 x 3.9 x 1.45mm 1.45mm
RS Stock No. 774-7608
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
£0.98
Each (In a Bag of 5)
Units
Single 2.5 → 5.5 V - 4mV - 2 Rail to Rail Input/Output Surface Mount MSOP 10 - Rail to Rail 3 x 4.9 x 1.1mm 1.1mm
RS Stock No. 876-7262
Mfr. Part No.MCP6S28-I/P
BrandMicrochip
£1.57
Each (In a Tube of 30)
Units
Single 3 V, 5 V - 0.275mV 0.006MΩ 1 Rail to Rail Input/Output Through Hole PDIP 16 - Rail to Rail 19.05 x 6.35 x 3.3mm 3.3mm
RS Stock No. 144-5816
Mfr. Part No.MCP6G01UT-E/OT
BrandMicrochip
£0.234
Each (On a Reel of 3000)
Units
Single 1.8 → 5.5 V - 4.5mV - 1 Rail to Rail Output Surface Mount SOT-23 5 - Rail to Rail 3.1 x 1.75 x 1.3mm 1.3mm
RS Stock No. 164-6071
Mfr. Part No.LT1995CDD#PBF
£3.49
Each
Units
Dual - ±15V dc 2.5mV 4 kΩ, 8 kΩ 3 Rail to Rail Input/Output Surface Mount DFN 10 59dB Differential 3 x 3 x 0.7mm 0.7mm
RS Stock No. 164-6058
Mfr. Part No.LT1995CDD#PBF
£4.691
Each (In a Tube of 121)
Units
Dual - ±15V dc 2.5mV 4 kΩ, 8 kΩ 3 Rail to Rail Input/Output Surface Mount DFN 10 59dB Differential 3 x 3 x 0.7mm 0.7mm
New
RS Stock No. 197-7471
Mfr. Part No.PGA103U
£5.84
Each (In a Pack of 2)
Units
Single - ±15V 1.5mV - 1 - - SOIC 8 - - - -
RS Stock No. 151-3103
Mfr. Part No.LTC6910-1CTS8#TRMPBF
£1.354
Each (On a Reel of 500)
Units
Dual - 10.5 (Maximum)V 1.5mV >100MΩ 1 Rail to Rail Input/Output Surface Mount TSOT-23 8 55dB Rail-to-Rail 2.9 x 1.75 x 0.9mm 0.9mm
RS Stock No. 774-7579
Mfr. Part No.MCP6G02-E/MS
BrandMicrochip
£0.487
Each (In a Bag of 10)
Units
Single 1.8 → 5.5 V - 4.5mV - 1 Rail to Rail Input/Output Surface Mount MSOP 8 - Rail to Rail 3 x 4.9 x 1.1mm 1.1mm
New
RS Stock No. 197-7470
Mfr. Part No.PGA103U
£5.174
Each (In a Tube of 75)
Units
Single - ±15V 1.5mV - 1 - - SOIC 8 - - - -
RS Stock No. 165-4687
Mfr. Part No.MCP6S22-I/SN
BrandMicrochip
£0.647
Each (In a Tube of 100)
Units
Single 3 V, 5 V - 0.275mV 0.006MΩ 1 Rail to Rail Input/Output Surface Mount SOIC 8 - Rail to Rail 4.9 x 3.9 x 1.25mm 1.25mm
RS Stock No. 768-1384
Mfr. Part No.MCP6G01UT-E/OT
BrandMicrochip
£0.239
Each (In a Pack of 10)
Units
Single 1.8 → 5.5 V - 4.5mV - 1 Rail to Rail Output Surface Mount SOT-23 5 - Rail to Rail 3.1 x 1.75 x 1.3mm 1.3mm
RS Stock No. 403-125
Mfr. Part No.MCP6S22-I/SN
BrandMicrochip
£0.646
Each (In a Pack of 5)
Units
Single 3 V, 5 V - 0.275mV 0.006MΩ 1 Rail to Rail Input/Output Surface Mount SOIC 8 - Rail to Rail 4.9 x 3.9 x 1.25mm 1.25mm
RS Stock No. 151-3340
Mfr. Part No.LTC6910-1CTS8#TRMPBF
£2.125
Each (In a Pack of 2)
Units
Dual - 10.5 (Maximum)V 1.5mV >100MΩ 1 Rail to Rail Input/Output Surface Mount TSOT-23 8 55dB Rail-to-Rail 2.9 x 1.75 x 0.9mm 0.9mm
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