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. 661-2426
Mfr. Part No.PGA112AIDGST
$4.50
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. 496-7193
Mfr. Part No.AD8555ARZ
$13.51
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. 876-7281
Mfr. Part No.MCP6G04-E/SL
BrandMicrochip
$1.25
Each (In a Tube of 57)
units
Single - - 4.5mV 500kΩ 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. 162-5478
Mfr. Part No.PGA112AIDGST
$3.606
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. 162-8307
Mfr. Part No.PGA113AIDGST
$2.83
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. 774-7608
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
$1.94
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. 814-3745
Mfr. Part No.PGA113AIDGST
$4.10
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. 165-2093
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
$1.47
Each (In a Tube of 100)
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. 912-7536
Mfr. Part No.AD8331ARQZ
$14.37
Each (In a Tube of 56)
units
Single 5 V - - 0.006MΩ 1 No Surface Mount QSOP 20 - Differential 8.66 x 3.91 x 1.65mm 1.65mm
RS Stock No. 517-0283
Mfr. Part No.PGA309AIPWT
$10.87
Each
units
- - - - - - - Surface Mount TSSOP 16 - - 5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 162-4838
Mfr. Part No.PGA309AIPWT
$7.72
Each (On a Reel of 250)
units
- - - - - - - Surface Mount TSSOP 16 - - 5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 538-5889
Mfr. Part No.AD8331ARQZ
$17.49
Each
units
Single 5 V - - 0.006MΩ 1 No Surface Mount QSOP 20 - Differential 8.66 x 3.91 x 1.65mm 1.65mm
RS Stock No. 661-1221
Mfr. Part No.THS7001IPWP
$11.36
Each
units
Dual - ±12 V, ±15 V, ±5 V, ±9 V 9mV 1MΩ 1 No Surface Mount HTSSOP 20 80dB - 6.5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 162-8308
Mfr. Part No.PGA870IRHDT
$11.39
Each (On a Reel of 250)
units
- 5 V - - 173Ω 1 - Surface Mount VQFN 28 - Differential 5.15 x 5.15 x 0.95mm 0.95mm
New
RS Stock No. 197-7471
Mfr. Part No.PGA103U
$12.505
Each (In a Pack of 2)
units
Single - ±15V 1.5mV - 1 - - SOIC 8 - - - -
New
RS Stock No. 200-3864
Mfr. Part No.MAX3522BCTN+
$6.821
Each (In a Tray of 260)
units
Dual - 5V - - 1 - - TQFN 56 - - - -
New
RS Stock No. 197-7470
Mfr. Part No.PGA103U
$11.081
Each (In a Tube of 75)
units
Single - ±15V 1.5mV - 1 - - SOIC 8 - - - -
RS Stock No. 164-6058
Mfr. Part No.LT1995CDD#PBF
$10.046
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
RS Stock No. 403-125
Mfr. Part No.MCP6S22-I/SN
BrandMicrochip
$1.94
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. 812-4387
Mfr. Part No.VCA824ID
$13.45
Each
units
Dual - ±5V ±19mV - 1 - Surface Mount SOIC 14 60dB Swing 8.75 x 4 x 1.5mm 1.5mm
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