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. 162-4838
Mfr. Part No.PGA309AIPWT
SGD7.426
Each (On a Reel of 250)
units
- - - - - - - Surface Mount TSSOP 16 - - 5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 517-0283
Mfr. Part No.PGA309AIPWT
SGD10.71
Each
units
- - - - - - - Surface Mount TSSOP 16 - - 5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 496-7193
Mfr. Part No.AD8555ARZ
SGD12.64
Each
units
Single 3 V, 5 V - 0.01mV - 1 Rail to Rail Input/Output Surface Mount SOIC 8 96dB Rail to Rail 5 x 4 x 1.5mm 1.5mm
RS Stock No. 162-5478
Mfr. Part No.PGA112AIDGST
SGD3.622
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
SGD3.62
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. 912-8813
Mfr. Part No.AD8555ARZ
SGD9.45
Each (In a Tube of 98)
units
Single 3 V, 5 V - 0.01mV - 1 Rail to Rail Input/Output Surface Mount SOIC 8 96dB Rail to Rail 5 x 4 x 1.5mm 1.5mm
RS Stock No. 164-6071
Mfr. Part No.LT1995CDD#PBF
SGD6.99
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. 814-3745
Mfr. Part No.PGA113AIDGST
SGD4.04
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. 165-4880
Mfr. Part No.MCP6G01T-E/OT
BrandMicrochip
SGD0.524
Each (On a Reel of 3000)
units
Single 3 V, 5 V - 4.5mV - 1 Rail to Rail Input/Output Surface Mount SOT-23 5 - Rail to Rail 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 768-1384
Mfr. Part No.MCP6G01UT-E/OT
BrandMicrochip
SGD0.714
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. 145-6348
Mfr. Part No.AD526JNZ
SGD24.05
Each (In a Tube of 25)
units
Dual - ±12 V, ±15 V, ±5 V, ±9 V 1.5mV - 1 No Through Hole PDIP 16 - - 20.07 x 6.35 x 3.3mm 3.3mm
RS Stock No. 522-8837
Mfr. Part No.AD526JNZ
SGD27.11
Each
units
Dual - ±12 V, ±15 V, ±5 V, ±9 V 1.5mV - 1 No Through Hole PDIP 16 - - 20.07 x 6.35 x 3.3mm 3.3mm
RS Stock No. 822-5834
Mfr. Part No.LT1991ACMS#PBF
SGD7.57
Each (In a Pack of 2)
units
Dual, Single 2.7 → 36 V ±15V 160µV 32.1kΩ 1 Rail to Rail Output Surface Mount MSOP 10 60dB Rail to Rail 3 x 3 x 0.9984mm 0.998mm
RS Stock No. 761-9673
Mfr. Part No.LTC6910-2CTS8#TRMPBF
SGD4.73
Each
units
Dual, Single 10.5 V 10.5V 1.5mV 100MΩ 1 Rail to Rail Output Surface Mount TSOT-23 8 55dB - 2.9 x 1.75 x 0.9mm 0.9mm
New
RS Stock No. 200-3866
Mfr. Part No.MAX3522BCTN+
SGD7.515
Each (In a Pack of 2)
units
Dual - 5V - - 1 - - TQFN 56 - - - -
RS Stock No. 402-976
Mfr. Part No.MCP6G04-E/SL
BrandMicrochip
SGD1.48
Each (In a Pack of 5)
units
Single 3 V, 5 V - 4.5mV - 1 Rail to Rail Input/Output Surface Mount SOIC 14 - Rail to Rail 8.81 x 3.99 x 1.55mm 1.55mm
RS Stock No. 628-3526
Mfr. Part No.MCP6S91-E/SN
BrandMicrochip
SGD1.28
Each (In a Pack of 5)
units
Single 3 V, 5 V - 4mV 10000000MΩ 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. 920-0063
Mfr. Part No.LT1991ACMS#PBF
SGD4.582
Each (In a Tube of 50)
units
Dual, Single 2.7 → 36 V ±15V 160µV 32.1kΩ 1 Rail to Rail Output Surface Mount MSOP 10 60dB Rail to Rail 3 x 3 x 0.9984mm 0.998mm
RS Stock No. 666-5694
Mfr. Part No.MCP6G01T-E/OT
BrandMicrochip
SGD0.678
Each (In a Pack of 10)
units
Single 3 V, 5 V - 4.5mV - 1 Rail to Rail Input/Output Surface Mount SOT-23 5 - Rail to Rail 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 144-5816
Mfr. Part No.MCP6G01UT-E/OT
BrandMicrochip
SGD0.524
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
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Programmable Gain Amplifiers are Operational, Instrumentation or Differential Amplifiers in which the gain can be programmed or selected, either via hardware (IC pin selection) or software using a serial communications link.