Variable Gain Amplifiers (VGA)
Variable gain amplifiers (VGAs) are used in a variety of remote sensing and communications equipment. Variable gain amplifiers deliver unmatched performance for signal chains that require high dynamic range. Applications ranging from ultrasound, radar, LIDAR, wireless communications, and speech analysis have utilized VGAs to deliver industry leading performance.
Subcategories
Product Selection Table
Latest Resources
Application Notes
- AN-827: A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs (Rev. 0) PDF
- AN-669: Effectively Applying the AD628 Precision Gain Block (Rev. 0) PDF
- AN-589: Ways to Optimize the Performance of a Difference Amplifier (Rev. B) PDF
- Designing with the AD8338 (Rev. AN-1192) PDF
- AN-934: 60 dB Wide Dynamic Range, Low Frequency AGC Circuit Using a Single VGA (Rev. 0) PDF
- AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0) PDF
- AN-826: A 2.4 GHz WiMAX Direct Conversion Transmitter (Rev. B) PDF
Technical Articles
Product Selection Guide
Circuit Notes
Technical Books
Design Tools
Solutions Bulletins & Brochures
Webcast
- Explaining Phase Noise
- Fundamentals of Frequency Synthesis, Part 1: Phased Locked Loops
- Solutions for Fitting High Performance RF Signal Chains into Small Spaces
- Solving the Elusive Baseband to Antenna Problem using RFDAC Technology
- Developing Multiple-Input Multiple-Output (MIMO) Systems with the AD9361
Videos
Tutorials
Frequently Asked Questions
Frequently Asked Question
- What is input voltage range and how is it determined?
- How does the input offset voltage (VOS) of an amplifier affect my circuit?
- How does the input bias current of an amplifier affect my circuit?
- How does input current noise affect my amplifier circuit?
- Why is my amplifier oscillating?
- What is meant by the noise gain of an amplifier?
- My reference voltage changes when I connect it to the amplifier's input?
- What are Variable Gain Amplifiers (VGA's) and how are they used?
- What is the output headroom or voltage range of an amplifier and how is it determined?
- What does single-supply amplifer really mean?
- Why can't I get my amplifier to go to my full-scale output voltage?
- What is a rail-to-rail amplifier?
- What is the full power bandwidth of an amplifier?
- I'm applying a dc voltage to the input of my amplifier, but I'm getting an oscillating signal out. What can be causing this?
- Why is my input signal clipping?
- I have a large unexplained offset in my circuit. What can be causing it?
- How does the input voltage noise of an amplifier affect my circuit?
- What is input common-mode voltage range (CMVR)?
- Why doesn't my amplifier output go to zero when I ground the input?
- Can I exceed the parameters specified in the absolute maximum ratings table?
- What is the small signal bandwidth of an amplifier?
- How does the open-loop gain of an amplifier affect my circuit?
- What is unity-gain bandwidth?
- Why does the output signal of my amplifier look like a triangle, when I have a sine wave input?
- What is amplifier RF rectification?
- Why is my output signal clipping?
- What are op amp input and output common-mode and differential voltage ranges and how are they determined?
Variable Gain Amplifiers (VGA)
| SortOrder | Part# | # of Channels | Amp Architecture | Gain Set | Gain (min) (dB) | Gain (max) (dB) | Freq Response (min) (Hz) | Freq Response (max) (Hz) | NF (typ) (dB) | Is (typ) (A) | Vs span (min) (V) | Vs span (max) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADL6316 | 1 | VGA | Digital | -3.4 | 31.1 | 500M | 1G | 5.85 | 435m | 4.75 | 5.25 | $6.93 (ADL6316ACCZ) |
| 2 | ADL6317 | 1 | VGA | Digital | -2.4 | 33.6 | 3G | 1.5G | 6 | 435m | 4.75 | 5.25 | $6.93 (ADL6317ACCZ) |
| 3 | ADL5335 | 1 | Driver, VGA | Digital | -8 | 12 | 700M | 4.2G | 5.4 | 125m | 4.75 | 5.25 | $8.30 (ADL5335ACPZN) |
| 4 | ADRF6520 | 2 | Filter, VGA | Analog | -7 | 53 | 36M | 720M | 10.5 | 425m | 3.15 | 3.45 | $15.89 (ADRF6520ACPZ) |
| 5 | HMC625B | 1 | VGA | Digital | -13.5 | 18 | 0 | 5G | 6 | 87.5m | 4.75 | 5.25 | - |
| 6 | ADL5205 | 2 | VGA | Digital | -9 | 26 | 0 | 1.7G | 6.6 | 175m | 3.15 | 5.25 | - |
| 7 | HMC8121 | 1 | VGA | Digital | 5 | 22 | 81G | 86G | - | 265m | -5 | 4 | - |
| 8 | HMC8120 | 1 | VGA | Digital | 7 | 22 | 71G | 76G | - | 250m | -5 | 4 | - |
| 9 | ADA8282 | 4 | LNA, PGA | Digital | 18 | 36 | 5M | 42.3M | - | 19.6m | 3 | 3.6 | $3.12 (ADA8282WBCPZ) |
| 10 | ADA4961 | 1 | ADC Driver, VGA | Digital, Pin Strap | -6 | 15 | 10M | 3.2G | 5.6 | 150m | 3.3 | 5.5 | $11.99 (ADA4961ACPZN-R7) |
| 11 | ADL5246 | 1 | LNA, VGA | Analog | -13.5 | 31.5 | 600M | 3G | 1.8 | 270m | 3.135 | 5.25 | $7.50 (ADL5246ACPZN-R7) |
| 12 | ADRF6518 | 2 | Filter, VGA | Analog | -36 | -66 | 1M | 63M | 16 | 360m | 3.15 | 3.45 | $11.95 (ADRF6518ACPZ-R7) |
| 13 | AD8338 | 1 | VGA | Analog | 0 | 80 | 0 | 18M | - | 3m | 3 | 5 | $4.81 (AD8338ACPZ-R7) |
| 14 | HMC1023 | 1 | Filter, PGA | Digital | 0 | 10 | 5M | 72M | 10 | 240m | 4.75 | 5.25 | - |
| 15 | HMC742A | 1 | VGA | Digital | -19.5 | 12 | 70M | 4G | 4 | 150m | 5 | 5.5 | - |
| 16 | HMC681A | 1 | VGA | Digital | 13.5 | 45 | 50M | 1G | 2.7 | 176m | 5 | 5.5 | - |
| 17 | HMC627A | 1 | VGA | Digital | -11.5 | 20 | 50M | 1G | 4.3 | 90m | 5 | 5.5 | - |
| 18 | HMC6187 | 1 | VGA | Analog | 6 | 19 | 27G | 31.5G | 4.5 | 230m | -5 | 4 | - |
| 19 | ADL5202 | 2 | VGA | Digital | -11.5 | 20 | 10M | 700M | 7.5 | 210m | 4.5 | 5.5 | - |
| 20 | ADL5201 | 1 | VGA | Digital | -11.5 | 20 | 10M | 700M | 7.5 | 110m | 4.5 | 5.5 | - |
| 21 | ADL5243 | 1 | VGA | Digital | -1.2 | 31.3 | 100M | 4G | 3.1 | 175.5m | 4.75 | 5.25 | $5.79 (ADL5243ACPZ-R7) |
| 22 | ADL5240 | 1 | VGA | Digital | -12.6 | 18.2 | 100M | 4G | 4.9 | 93m | 4.75 | 5.25 | $3.50 (ADL5240ACPZ-R7) |
| 23 | ADL5336 | 2 | VGA | Digital | -25.4 | 34.7 | 10M | 1G | 7.1 | 80m | 4.5 | 5.5 | - |
| 24 | HMC997 | 1 | VGA | Analog | 5.5 | 20.5 | 17G | 27G | 3.5 | 170m | 5 | 5 | - |
| 25 | HMC996 | 1 | VGA | Analog | -3.5 | 18.5 | 5G | 12G | 2 | 120m | 5 | 5.5 | - |
| 26 | HMC960 | 2 | VGA | Digital | 0 | 40 | 0 | 100M | 6 | 70m | 4.5 | 5.5 | - |
| 27 | ADRF6516 | 2 | Filter, VGA | Analog | -5 | 45 | 1M | 31M | 25 | 360m | 3.15 | 3.45 | $10.30 (ADRF6516ACPZ-R7) |
| 28 | ADRF6510 | 2 | Filter, VGA | Analog | -5 | 45 | 1M | 30M | 28 | 258m | 4.75 | 5.25 | $8.99 (ADRF6510ACPZ-R7) |
| 29 | HMC900 | 1 | Filter, PGA | Digital | 0 | 10 | 3.5M | 50M | 12 | 130m | 4.75 | 5.25 | - |
| 30 | HMC680 | 1 | VGA | Digital | -4 | 19 | 30M | 400M | 5 | 250m | 4.5 | 5.6 | - |
| 31 | AD8432 | 2 | VGA | Digital, Pin Strap | 12 | 24 | 100k | 200M | 2.3 | 24m | 4.5 | 5.5 | $1.29 (AD8432ACPZ-R7) |
| 32 | LTC6412 | 1 | VGA | Analog | -14 | 17 | - | 800M | 10 | 110m | 3 | 3.6 | $4.69 (LTC6412CUF#PBF) |
| 33 | ADL5331 | 1 | Differential Amp, VGA | Analog | -14 | 17 | 1M | 1.2G | 9 | 240m | 4.75 | 5.25 | $5.16 (ADL5331ACPZ-R7) |
| 34 | AD8264 | 4 | VGA | Analog | 0 | 24 | 0 | 235M | - | 99m | 5 | 10 | $11.95 (AD8264ACPZ) |
| 35 | LTC6603 | 2 | PGA | Digital, Pin Strap | 0 | 24 | - | 2.5M | - | 88m | 2.7 | 3.6 | $7.50 (LTC6603CUF#PBF) |
| 36 | LTC6602 | 2 | Differential Amp | Digital, Pin Strap | 0 | 30 | - | 900k | - | 65m | 2.7 | 3.6 | $6.95 (LTC6602CUF#PBF) |
| 37 | LT5554 | 1 | VGA | Digital | 2 | 18 | - | 1G | 10 | 110m | 4.75 | 5.25 | $4.40 (LT5554IUH#PBF) |
| 38 | AD8260 | 1 | Receiver | Digital | -6 | 24 | - | 195M | 17.6 | 28m | 3.3 | 10 | $3.84 (AD8260ACPZ-R7) |
| 39 | HMC694LP4 | 1 | VGA | Analog | 0 | 23 | 6G | 17G | 6 | 175m | 5 | 5.5 | - |
| 40 | HMC694-Die | 1 | VGA | Analog | 1 | 24 | 6G | 17G | 5 | 170m | 5 | 5.5 | - |
| 41 | AD8372 | 2 | VGA | Digital | -9 | 32 | 10M | 130M | 7.9 | 212m | 4.5 | 5.5 | $6.58 (AD8372ACPZ-R7) |
| 42 | AD8376 | 2 | VGA | Digital | -4 | 20 | 10M | 700M | 8.7 | 250m | 4.5 | 5.5 | $6.57 (AD8376ACPZ-R7) |
| 43 | AD8375 | 1 | Differential Amp, VGA | Digital | -4 | 20 | 10M | 630M | 8.3 | 125m | 4.5 | 5.5 | $4.54 (AD8375ACPZ-R7) |
| 44 | HMC628 | 1 | VGA | Digital | -8 | 15 | 50M | 800M | 5 | 65m | - | 5.6 | - |
| 45 | AD8336 | 1 | VGA | Analog | -14 | 46 | 0 | 115M | - | 25m | 6 | 24 | $4.65 (AD8336ACPZ-R7) |
| 46 | AD8368 | 1 | ADC Driver, Differential Amp, VGA | Analog | -12 | 22 | 10M | 800M | 9.5 | 60m | 4.75 | 5.5 | $4.60 (AD8368ACPZ-REEL7) |
| 47 | AD8334 | 4 | VGA | Analog | 4.5 | 43.5 | 100k | 100M | - | 116m | 4.5 | 5.5 | $14.66 (AD8334ACPZ) |
| 48 | AD8337 | 1 | VGA | Analog | 0 | 24 | 0 | 100M | - | 15m | 4.5 | 10 | $2.49 (AD8337BCPZ-REEL) |
| 49 | ADL5330 | 1 | VGA | Analog | -32 | 21 | 10M | 3G | 9 | 215m | 4.75 | 5.25 | $5.04 (ADL5330ACPZ-REEL7) |
| 50 | LT5524 | 1 | VGA | Digital | 4.5 | 27 | - | 540M | 8.6 | 34m | 4.75 | 5.25 | $4.40 (LT5524EFE#PBF) |
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