Overview
Features and Benefits
- Ultra-High Speed and Fast Settling Time:
- 1GHz -3dB Bandwidth (MAX4223, Gain = +1)
- 600MHz -3dB Bandwidth (MAX4224, Gain = +2)
- 1700V/µs Slew Rate (MAX4224)
- 5ns Settling Time to 0.1% (MAX4224)
- Excellent Video Specifications (MAX4223):
- Gain Flatness of 0.1dB to 300MHz
- 0.01%/0.02° DG/DP Errors
- Low Distortion:
- -60dBc THD (fc = 10MHz)
- 42dBm Third-Order Intercept (f = 30MHz)
- 6.0mA Quiescent Supply Current (per amplifier)
- Shutdown Mode:
- 350µA Supply Current (per amplifier)
- 100kΩ Output Impedance
- High Output Drive Capability:
- 80mA Output Current
- Drives up to 4 Back-Terminated 75Ω Loads to ±2.5V while Maintaining Excellent Differential Gain/Phase Characteristics
- Available in Tiny 6-Pin SOT23 and 10-Pin µMAX® Packages
Product Details
The MAX4223-MAX4228 current-feedback amplifiers combine ultra-high-speed performance, low distortion, and excellent video specifications with low-power operation. The MAX4223/MAX4224/MAX4226/MAX4228 have a shutdown feature that reduces power-supply current to 350µA and places the outputs into a high-impedance state. These devices operate with dual supplies ranging from ±2.85V to ±5.5V and provide a typical output drive current of 80mA. The MAX4223/MAX4225/MAX4226 are optimized for a closed-loop gain of +1 (0dB) or more and have a -3dB bandwidth of 1GHz, while the MAX4224/MAX4227/MAX4228 are compensated for a closed-loop gain of +2 (6dB) or more, and have a -3dB bandwidth of 600MHz (1.2GHz gain-bandwidth product).
The MAX4223-MAX4228 are ideal for professional video applications, with differential gain and phase errors of 0.01% and 0.02°, 0.1dB gain flatness of 300MHz, and a 1100V/µs slew rate. Total harmonic distortion (THD) of -60dBc (10MHz) and an 8ns settling time to 0.1% suit these devices for driving high-speed analog-to-digital inputs or for data-communications applications. The low-power shutdown mode on the MAX4223/MAX4224/MAX4226/MAX4228 makes them suitable for portable and battery-powered applications. Their high output impedance in shutdown mode is excellent for multiplexing applications.
The single MAX4223/MAX4224 are available in space-saving 6-pin SOT23 packages. All devices are available in the extended -40°C to +85°C temperature range.
Applications
- ADC Input Buffers
- Data Communications
- RF Receivers
- Video Line Driver
- Video Multiplexing
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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