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. 162-8307
Mfr. Part No.PGA113AIDGST
HK$16.007
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. 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. 661-1221
Mfr. Part No.THS7001IPWP
HK$69.72
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
HK$84.105
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. 522-8837
Mfr. Part No.AD526JNZ
HK$129.39
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. 162-8001
Mfr. Part No.VCA821ID
HK$56.478
Each (In a Tube of 100)
units
Dual - ±5V ±19mV - 1 - Surface Mount SOIC 14 60dB Swing 8.75 x 4 x 1.5mm 1.5mm
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. 164-6058
Mfr. Part No.LT1995CDD#PBF
HK$26.185
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. 806-8004
Mfr. Part No.AD8432ACPZ-WP
HK$34.55
Each
units
- - - - - - - - - - - - 4.1 x 4.1 x 0.75mm 0.75mm
RS Stock No. 402-932
Mfr. Part No.MCP6S28-I/P
BrandMicrochip
HK$21.802
Each (In a Pack of 5)
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. 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. 165-2093
Mfr. Part No.MCP6S93-E/UN
BrandMicrochip
HK$8.705
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. 628-3526
Mfr. Part No.MCP6S91-E/SN
BrandMicrochip
HK$6.816
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. 151-3103
Mfr. Part No.LTC6910-1CTS8#TRMPBF
HK$15.436
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. 923-3599
Mfr. Part No.PGA103U
HK$58.419
Each (In a Tube of 75)
units
Dual - ±15V 1.5mV 100MΩ 1 - Surface Mount SOIC 8 - - 4.9 x 3.91 x 1.58mm 1.58mm
RS Stock No. 165-4696
Mfr. Part No.MCP6S91-E/SN
BrandMicrochip
HK$5.855
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. 812-4384
Mfr. Part No.VCA821ID
HK$74.52
Each
units
Dual - ±5V ±19mV - 1 - Surface Mount SOIC 14 60dB Swing 8.75 x 4 x 1.5mm 1.5mm
RS Stock No. 162-5106
Mfr. Part No.LMH6704MA/NOPB
HK$29.663
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. 164-6071
Mfr. Part No.LT1995CDD#PBF
HK$38.00
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. 151-3340
Mfr. Part No.LTC6910-1CTS8#TRMPBF
HK$28.97
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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