The CLC412 is a high-speed dual wideband video op amp that combines a high-speed complementary bipolar process with National's current-feedback topology. It provides a 250MHz small-signal bandwidth at a gain of +2V/V and a 1300V/µs slew rate while consuming only 50mW per amplifier from ±5V supplies. The CLC412 offers exceptional video performance with its 0.02% and 0.02° differential gain and phase errors for NTSC and PAL video signals while driving one back terminated 75Ω load. It also has a flat gain response of 0.1dB to 30MHz and very low channel-to-channel crosstalk of -76dB at 10MHz. Additionally, each amplifier can deliver a 70mA continuous output current. This level of performance makes the CLC412 an ideal dual op amp for high-density broadcast-quality video systems. The CLC412's two very well-matched amplifiers support a number of applications such as differential line drivers and receivers. In addition, the CLC412 is well suited for Sallen Key active filters in applications such as anti-aliasing filters for high-speed A/D converters. Its small 8-pin SOIC package, low power requirement, low noise and distortion allow the CLC412 to serve portable RF applications such as IQ-channels.
The CLC412 combines a high‑speed complementary bipolar process with a current‑feedback topology to deliver a very high‑speed dual op amp. It provides a 250 MHz small‑signal bandwidth at a gain of +2 V/V, a 1300 V/µs slew rate, and consumes only 50 mW per amplifier from a +5 V supply. The device offers exceptional video performance with 0.02 % differential gain error and 0.02° phase error for NTSC and PAL signals, and can drive a 70 mA continuous output current.
The op amp is suited for broadcast‑quality video systems, IQ amplifiers, wideband active filters, and portable RF applications. The handbook includes electrical characteristics, typical performance graphs, feedback resistor selection guidelines, layout recommendations, and application circuit examples.
| Small‑signal bandwidth (gain +2 V/V) | 250 MHz |
|---|---|
| Slew rate | 1300 V/µs |
| Power consumption per amplifier | 50 mW |
| Continuous output current per amplifier | 70 mA |
| Differential gain error (video) | 0.02 % |
The CLC412 provides a 250 MHz small‑signal bandwidth at a gain of +2 V/V.
The typical slew rate is 1300 V/µs.
Each amplifier can deliver up to 70 mA of continuous output current.