Overview
The ADA4897-1ARZ-RL, produced by Analog Devices Inc., is a high-performance, low-noise, rail-to-rail output voltage feedback amplifier. This amplifier is part of the ADA4897 series, known for its unity-gain stability, high speed, and low power consumption. It is designed using Analog Devices' proprietary next-generation SiGe bipolar process and innovative architecture, making it an ideal solution for various high-demand applications.
The ADA4897-1ARZ-RL is available in a 6-lead SOT-23 package and operates over an extended industrial temperature range of −40°C to +125°C, ensuring reliability in diverse environmental conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 3 | 10 | V | |
| Quiescent Current per Amplifier | 2.5 | 2.7 | 2.9 | mA |
| Input Offset Voltage | 0.5 | mV | ||
| -3 dB Bandwidth (G = +1) | 230 | MHz | ||
| Slew Rate | 120 | V/μs | ||
| Settling Time to 0.1% | 45 | ns | ||
| Output Current (SFDR = −45 dBc) | 60 | mA | ||
| Short-Circuit Current (Sinking/Sourcing) | 120 | mA | ||
| Capacitive Load Drive (30% overshoot, G = +2) | 39 | pF | ||
| Operating Temperature Range | −40 | 125 | °C | |
| Package Type | SOT-23-6 |
Key Features
- Unity-gain stable, low noise, rail-to-rail output voltage feedback amplifier
- Low wideband noise: 1 nV/√Hz, low 1/f noise: 2.4 nV/√Hz at 10 Hz
- High speed: 230 MHz bandwidth, 120 V/μs slew rate, settling time to 0.1% in 45 ns
- Low power consumption: 3 mA quiescent current per amplifier
- Wide supply voltage range: 3 V to 10 V
- Disable feature for power management
- Rail-to-rail output and high output current capability
- Extended industrial temperature range: −40°C to +125°C
- Lead-free and RoHS compliant
Applications
- Low noise preamplifiers
- Ultrasound amplifiers
- PLL loop filters
- High performance ADC drivers
- DAC buffers
Q & A
- What is the typical quiescent current of the ADA4897-1ARZ-RL?
The typical quiescent current is 2.7 mA per amplifier.
- What is the bandwidth of the ADA4897-1ARZ-RL at a gain of +1?
The bandwidth is 230 MHz at a gain of +1.
- What is the slew rate of the ADA4897-1ARZ-RL?
The slew rate is 120 V/μs.
- What is the settling time to 0.1% for the ADA4897-1ARZ-RL?
The settling time to 0.1% is 45 ns.
- What is the operating temperature range of the ADA4897-1ARZ-RL?
The operating temperature range is −40°C to +125°C.
- What package type is the ADA4897-1ARZ-RL available in?
The ADA4897-1ARZ-RL is available in a 6-lead SOT-23 package.
- Does the ADA4897-1ARZ-RL have a disable feature?
Yes, the ADA4897-1ARZ-RL has a disable feature for power management.
- What is the typical input offset voltage of the ADA4897-1ARZ-RL?
The typical input offset voltage is 0.5 mV maximum.
- Is the ADA4897-1ARZ-RL RoHS compliant?
Yes, the ADA4897-1ARZ-RL is lead-free and RoHS compliant.
- What are some common applications of the ADA4897-1ARZ-RL?
Common applications include low noise preamplifiers, ultrasound amplifiers, PLL loop filters, high performance ADC drivers, and DAC buffers.
