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. 806-8004
Mfr. Part No.AD8432ACPZ-WP
HK$28.45
Each
units
- - - - - - - - - - - - 4.1 x 4.1 x 0.75mm 0.75mm
RS Stock No. 912-8813
Mfr. Part No.AD8555ARZ
HK$48.886
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. 522-8837
Mfr. Part No.AD526JNZ
HK$140.33
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. 774-7608
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
HK$9.788
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
HK$17.59
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. 165-2093
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
HK$8.428
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. 822-5834
Mfr. Part No.LT1991ACMS#PBF
HK$33.65
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. 912-7536
Mfr. Part No.AD8331ARQZ
HK$69.136
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. 812-4387
Mfr. Part No.VCA824ID
HK$68.87
Each
units
Dual - ±5V ±19mV - 1 - Surface Mount SOIC 14 60dB Swing 8.75 x 4 x 1.5mm 1.5mm
RS Stock No. 496-7193
Mfr. Part No.AD8555ARZ
HK$60.90
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. 144-5816
Mfr. Part No.MCP6G01UT-E/OT
BrandMicrochip
HK$2.985
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. 403-125
Mfr. Part No.MCP6S22-I/SN
BrandMicrochip
HK$9.76
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. 888-4884
Mfr. Part No.MCP6S21-I/SN
BrandMicrochip
HK$7.117
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. 403-193
Mfr. Part No.MCP6S21-I/SN
BrandMicrochip
HK$9.51
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. 164-6058
Mfr. Part No.LT1995CDD#PBF
HK$53.665
Each (In a Tube of 121)
units
Dual - ±15V dc 2.5mV 4 k, 8 k 3 Rail to Rail Input/Output Surface Mount DFN 10 59dB Differential 3 x 3 x 0.7mm 0.7mm
RS Stock No. 162-5106
Mfr. Part No.LMH6704MA/NOPB
HK$30.106
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. 165-4880
Mfr. Part No.MCP6G01T-E/OT
BrandMicrochip
HK$2.95
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. 911-5681
Mfr. Part No.MCP6S28-I/SL
BrandMicrochip
HK$15.76
Each (In a Tube of 50)
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. 403-121
Mfr. Part No.MCP6S28-I/SL
BrandMicrochip
HK$18.728
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. 666-5694
Mfr. Part No.MCP6G01T-E/OT
BrandMicrochip
HK$3.636
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
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