Overview
The AD8028ARM-REEL7, produced by Analog Devices Inc., is a high-speed, rail-to-rail input/output operational amplifier. This component is part of the AD8027/AD8028 family, designed for high performance and a wide dynamic signal range. It operates on low supply voltages, making it suitable for various applications requiring high speed and low distortion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Bandwidth (G = +1) | 190 | MHz | ||
| Slew Rate (G = +1) | 73 | 100 | V/µs | |
| Spurious Free Dynamic Range (SFDR) at 1 MHz | 120 | dBc | ||
| Spurious Free Dynamic Range (SFDR) at 5 MHz | 80 | dBc | ||
| Input Voltage Noise | 4.3 | nV/√Hz | ||
| Input Current Noise | 1.6 | pA/√Hz | ||
| Offset Voltage | 900 | µV | ||
| Supply Current per Amplifier | 6.5 | 8.5 | mA | |
| Supply Voltage Range | 2.7 | 12 | V | |
| Output Voltage Swing | -VS + 0.07 | +VS - 0.03 | V | |
| Short-Circuit Current | 72 | mA |
Key Features
- High speed with 190 MHz bandwidth (G = +1) and 100 V/µs slew rate
- Low distortion with 120 dBc SFDR at 1 MHz and 80 dBc SFDR at 5 MHz
- Low noise: 4.3 nV/√Hz and 1.6 pA/√Hz
- Low offset voltage: 900 µV maximum
- Low power consumption: 6.5 mA per amplifier supply current
- Power-down mode with low quiescent current
- No phase reversal: VIN > |VS| + 200 mV
- Wide supply range: 2.7 V to 12 V
- Small packaging options: SOIC-8, SOT-23-6, MSOP-10
Applications
- Filters
- ADC drivers
- Level shifting
- Buffering
- Professional video
- Low voltage instrumentation
- Automotive applications (AD8028WARMZ-R7 only)
Q & A
- What is the bandwidth of the AD8028 amplifier?
The AD8028 has a bandwidth of 190 MHz at a gain of +1. - What is the slew rate of the AD8028?
The slew rate of the AD8028 is 100 V/µs. - What is the SFDR of the AD8028 at 1 MHz and 5 MHz?
The SFDR is 120 dBc at 1 MHz and 80 dBc at 5 MHz. - What is the input voltage noise of the AD8028?
The input voltage noise is 4.3 nV/√Hz. - What is the maximum offset voltage of the AD8028?
The maximum offset voltage is 900 µV. - What is the supply current per amplifier for the AD8028?
The supply current per amplifier is 6.5 mA. - What is the supply voltage range for the AD8028?
The supply voltage range is from 2.7 V to 12 V. - Does the AD8028 have a power-down mode?
Yes, the AD8028 has a power-down mode with low quiescent current. - What are the packaging options for the AD8028?
The AD8028 is available in SOIC-8, SOT-23-6, and MSOP-10 packages. - Is the AD8028 qualified for automotive applications?
Yes, the AD8028WARMZ-R7 is qualified for automotive applications.
