Overview
The AD8034AR-REEL7, produced by Analog Devices Inc., is a dual voltage feedback operational amplifier (op amp) that features FET inputs and rail-to-rail output. This component is part of the AD8033/AD8034 series, which utilizes Analog Devices' proprietary XFCB process to integrate JFET devices. This design enhances the amplifier's performance, particularly in low input bias current and high bandwidth applications. The AD8034 is available in various packages, including 8-lead SOIC and 8-lead SOT-23, making it versatile for different design needs.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| −3 dB Bandwidth | G = +1, VOUT = 0.2 V p-p | 65 | 80 | MHz | |
| −3 dB Bandwidth | G = +2, VOUT = 0.2 V p-p | 30 | MHz | ||
| Slew Rate (25% to 75%) | G = +2, VOUT = 4 V step | 55 | 80 | V/μs | |
| Input Overdrive Recovery Time | −6 V to +6 V input | 135 | ns | ||
| Output Overdrive Recovery Time | −3 V to +3 V input, G = +2 | 135 | ns | ||
| Settling Time to 0.1% | G = +2, VOUT = 2 V step | 95 | ns | ||
| Supply Voltage Range | 5 | 24 | V | ||
| Quiescent Current per Amplifier | 3.3 | 3.5 | mA | ||
| Common-Mode Rejection Ratio | −100 | dB | |||
| Output Voltage Swing | RL = 1 kΩ | −4.75 | −4.95 | V | |
| Output Voltage Swing | RL = 1 kΩ | +4.75 | +4.95 | V |
Key Features
- High Speed Performance: 80 MHz bandwidth and 80 V/μs slew rate, making it suitable for high-frequency applications.
- Low Noise: 11 nV/√Hz and 0.7 fA/√Hz noise levels, ensuring minimal signal distortion.
- Wide Supply Voltage Range: Operational from 5 V to 24 V, allowing flexibility in power supply design.
- Rail-to-Rail Output: Output voltage swing extends to within 0.2 V of the supply rails, maximizing dynamic range.
- Low Input Bias Current: Utilizes JFET inputs to achieve low input bias current, ideal for high-impedance sources.
- High Common-Mode Rejection Ratio (CMRR): CMRR of −100 dB, ensuring robust performance against common-mode noise.
- Small Packaging: Available in compact packages such as 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70.
- No Phase Reversal: Ensures stable operation without phase reversal, even with large input signals.
Applications
- Instrumentation: Suitable for precision measurement and signal conditioning in various instrumentation applications.
- Filters: Can be used in active filter designs due to its high bandwidth and low distortion characteristics.
- Level Shifting: Ideal for level shifting applications where maintaining signal integrity is crucial.
- Buffering: Acts as a buffer amplifier to isolate high-impedance sources from low-impedance loads.
Q & A
- What is the bandwidth of the AD8034AR-REEL7?
The bandwidth of the AD8034AR-REEL7 is up to 80 MHz for a gain of +1 and 30 MHz for a gain of +2 with VOUT = 0.2 V p-p.
- What is the slew rate of the AD8034AR-REEL7?
The slew rate of the AD8034AR-REEL7 is 80 V/μs for a 4 V step input.
- What is the common-mode rejection ratio (CMRR) of the AD8034AR-REEL7?
The CMRR of the AD8034AR-REEL7 is −100 dB.
- What is the supply voltage range for the AD8034AR-REEL7?
The AD8034AR-REEL7 operates over a supply voltage range of 5 V to 24 V.
- What are the typical quiescent current and power supply rejection ratio (PSRR) of the AD8034AR-REEL7?
The typical quiescent current is 3.3 mA per amplifier, and the PSRR is −90 dB to −100 dB.
- What are the available packages for the AD8034AR-REEL7?
The AD8034AR-REEL7 is available in 8-lead SOIC, 8-lead SOT-23, and 5-lead SC70 packages.
- Does the AD8034AR-REEL7 have rail-to-rail output?
Yes, the AD8034AR-REEL7 has rail-to-rail output, allowing the output voltage to swing within 0.2 V of the supply rails.
- What are some common applications of the AD8034AR-REEL7?
The AD8034AR-REEL7 is commonly used in instrumentation, filters, level shifting, and buffering applications.
- Does the AD8034AR-REEL7 suffer from phase reversal?
No, the AD8034AR-REEL7 does not suffer from phase reversal, ensuring stable operation even with large input signals.
- What is the input overdrive recovery time of the AD8034AR-REEL7?
The input overdrive recovery time of the AD8034AR-REEL7 is approximately 135 ns for an input range of −6 V to +6 V.
