Overview
The AD8028ARM, produced by Analog Devices Inc., is a high-speed, dual-channel operational amplifier known for its low distortion and rail-to-rail input and output capabilities. This amplifier operates on low supply voltages, ranging from 2.7V to 12V, making it versatile for various applications. It is optimized for high performance and wide dynamic signal range, making it suitable for professional video, low-voltage instrumentation, and other high-demand applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| -3 dB Bandwidth (G = +1) | 190 | MHz | ||
| Slew Rate | 100 | V/µs | ||
| Input Noise Voltage | 4.3 | nV/√Hz | ||
| Input Noise Current | 1.6 | pA/√Hz | ||
| Input Offset Voltage | 900 | µV | ||
| Quiescent Current per Amplifier | 6.5 | 8.5 | mA | |
| Supply Voltage Range | 2.7 | 12 | V | |
| Operating Temperature Range | -40 | 125 | °C | |
| Output Short-Circuit Current | 120 | mA | ||
| Package Type | 10-MSOP |
Key Features
- High speed with a -3 dB bandwidth of 190 MHz (G = +1) and a slew rate of 100 V/µs.
- Low distortion with SFDR of 120 dBc at 1 MHz and 80 dBc at 5 MHz.
- Rail-to-rail input and output.
- Low noise: 4.3 nV/√Hz input noise voltage and 1.6 pA/√Hz input noise current.
- Low offset voltage: maximum of 900 µV.
- Low power consumption with a quiescent current of 6.5 mA to 8.5 mA per amplifier.
- Selectable input crossover threshold.
- No phase reversal: VIN > |VS| + 200 mV.
- Power-down mode with low quiescent current.
Applications
- Filters and ADC drivers.
- Level shifting and buffering.
- Professional video applications.
- Low-voltage instrumentation.
Q & A
- What is the -3 dB bandwidth of the AD8028ARM? The -3 dB bandwidth of the AD8028ARM is 190 MHz at a gain of +1.
- What is the slew rate of the AD8028ARM? The slew rate of the AD8028ARM is 100 V/µs.
- What is the input noise voltage of the AD8028ARM? The input noise voltage of the AD8028ARM is 4.3 nV/√Hz.
- What is the maximum input offset voltage of the AD8028ARM? The maximum input offset voltage is 900 µV.
- What is the quiescent current per amplifier for the AD8028ARM? The quiescent current per amplifier ranges from 6.5 mA to 8.5 mA.
- What is the supply voltage range for the AD8028ARM? The supply voltage range is from 2.7 V to 12 V.
- What is the operating temperature range for the AD8028ARM? The operating temperature range is from -40°C to 125°C.
- What package types are available for the AD8028ARM? The AD8028ARM is available in a 10-MSOP package.
- What are some common applications of the AD8028ARM? Common applications include filters, ADC drivers, level shifting, buffering, professional video, and low-voltage instrumentation.
- Does the AD8028ARM have a power-down mode? Yes, the AD8028ARM has a power-down mode with low quiescent current.
