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. 144-5816
Mfr. Part No.MCP6G01UT-E/OT
BrandMicrochip
$0.576
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. 162-4838
Mfr. Part No.PGA309AIPWT
$8.492
Each (On a Reel of 250)
units
- - - - - - - Surface Mount TSSOP 16 - - 5 x 4.4 x 1.15mm 1.15mm
RS Stock No. 165-4696
Mfr. Part No.MCP6S91-E/SN
BrandMicrochip
$1.10
Each (In a Tube of 100)
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. 774-7608
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
$2.134
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. 538-5889
Mfr. Part No.AD8331ARQZ
$19.24
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. 651-1893
Mfr. Part No.LMH6704MA/NOPB
$6.71
Each
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. 920-0063
Mfr. Part No.LT1991ACMS#PBF
$5.16
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. 151-3103
Mfr. Part No.LTC6910-1CTS8#TRMPBF
$5.253
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. 162-8308
Mfr. Part No.PGA870IRHDT
$12.529
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
RS Stock No. 403-125
Mfr. Part No.MCP6S22-I/SN
BrandMicrochip
$2.134
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. 165-4687
Mfr. Part No.MCP6S22-I/SN
BrandMicrochip
$1.881
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. 814-3751
Mfr. Part No.PGA870IRHDT
$17.62
Each
units
- 5 V - - 173Ω 1 - Surface Mount VQFN 28 - Differential 5.15 x 5.15 x 0.95mm 0.95mm
RS Stock No. 162-5478
Mfr. Part No.PGA112AIDGST
$3.966
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. 814-3745
Mfr. Part No.PGA113AIDGST
$4.51
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. 912-7536
Mfr. Part No.AD8331ARQZ
$15.807
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. 876-7281
Mfr. Part No.MCP6G04-E/SL
BrandMicrochip
$1.375
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. 522-8837
Mfr. Part No.AD526JNZ
$30.25
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. 403-121
Mfr. Part No.MCP6S28-I/SL
BrandMicrochip
$3.762
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 16 - Rail to Rail 9.9 x 3.9 x 1.25mm 1.25mm
RS Stock No. 496-7193
Mfr. Part No.AD8555ARZ
$14.86
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. 145-6348
Mfr. Part No.AD526JNZ
$26.84
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
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