基带可编程VGA滤波器
It is often beneficial to use a video driver at the output of a video encoder for power savings, line driving, and additional circuit protection. The video driver is typically configured as an active filter, also known as a reconstruction or anti-imaging filter. The purpose of the reconstruction filter is twofold: it blocks the higher frequency components (above the Nyquist frequency) that were introduced into the video signal as part of the digitization process and provides gain to drive the external 75 Ω cable to the video display.
产品选型表
基带可编程VGA滤波器
| SortOrder | Part# | # of Channels | BW -3 dB (typ) (Hz) | Temp Range | Input Type | Is (typ) (A) | Vs span (min) (V) | Vs span (max) (V) | Iout (typ) (A) | Prop Delay V p-p (typ) (s p-p) | Diff Gain Error (typ) (%) | Diff Phase Error (typ) (°) | Amplifier Primary Function | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADA4432-1 | 1 | 10.5M | -40 to 125°C | Single-Ended | 7.6m | 2.6 | 3.6 | 37m | - | 0.38 | 0.69 | Video Varible Filter | $0.45 (ADA4432-1BRJZ-R7) |
| 2 | ADA4433-1 | 1 | 9.9M | -40 to 125°C | Differential | 13.2m | 2.6 | 3.6 | 29 | - | 0.5 | 1.7 | Video Varible Filter | $0.85 (ADA4433-1BCPZ-R7) |
| 3 | ADA4424-6 | 2 | 39M | -40 to 85°C | Single-Ended | 93m | 3.14 | 3.46 | - | - | 0.2 | 0.5 | Video Varible Filter | $1.59 (ADA4424-6ARUZ) |
| 4 | ADA4420-6 | 2 | 31M | -40 to 85°C | Single-Ended | 36m | 4.75 | 5.25 | 30m | 15n | 0.19 | 0.76 | Video Varible Filter | $0.69 (ADA4420-6ARQZ) |
| 5 | ADA4431-1 | 1 | 7.9M | -40 to 85°C | Single-Ended | 4.7m | 2.5 | 3.6 | 40m | 30n | 0.7 | 0.3 | Video Varible Filter | $0.62 (ADA4431-1YCPZ-R7) |
| 6 | ADA4417-3 | 2 | 42M | -40 to 85°C | Single-Ended | 24m | 3.3 | 5 | 30m | 26n | 0.06 | 0.21 | Video Varible Filter | $0.80 (ADA4417-3ARMZ) |
| 7 | ADA4430-1 | 1 | 9.7M | -40 to 125°C | Single-Ended | 1.85m | 2.5 | 6 | 40m | - | 0.25 | 0.15 | Video Varible Filter | $0.52 (ADA4430-1YKSZ-R7) |
| 8 | ADA4412-3 | 3 | 37M | -40 to 85°C | Single-Ended | 56m | 4.5 | 12 | 30m | 19n | 0.16 | 0.05 | Video Varible Filter | $1.61 (ADA4412-3ARQZ) |
| 9 | ADA4411-3 | 3 | 37M | -40 to 85°C | Single-Ended | 60m | 4.5 | 12 | 30m | 20n | 0.16 | 0.05 | Video Varible Filter | $1.91 (ADA4411-3ARQZ) |
| 10 | ADA4410-6 | 2 | 36M | -40 to 85°C | Single-Ended | 92m | 4.5 | 12 | 30m | 72n | 0.09 | 0.37 | Video Varible Filter | $2.52 (ADA4410-6ACPZ-R7) |
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