Overview
The ADA4841-1YRJZ-RL is a low power, low noise, and low distortion operational amplifier (op-amp) produced by Analog Devices Inc. This unity gain stable, rail-to-rail output amplifier is designed to offer high performance in various applications. It features a quiescent current of 1.5 mA maximum, making it suitable for power-sensitive designs. The ADA4841-1 is particularly ideal for driving high-resolution analog-to-digital converters (ADCs) and is well-suited for portable instrumentation, industrial measurement, and medical applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Quiescent Current per Amplifier | 1.2 | 1.5 | - | mA |
| Wideband Noise | - | 2.1 | - | nV/√Hz |
| 1/f Noise at 10 Hz | - | 7 | - | nV/√Hz |
| Harmonic Distortion (HD2/HD3) at 100 kHz | -109/-105 | - | - | dBc |
| -3 dB Bandwidth (VO = 0.02 V p-p) | 54 | 80 | - | MHz |
| Slew Rate (G = +1, VO = 4 V step, RL = 1 kΩ) | 10 | 12 | - | V/μs |
| Settling Time to 0.1% (G = +1, VO = 2 V step) | - | 175 | - | ns |
| Output Voltage Swing (G > +1, RL = 50 Ω to GND) | ±4.9 | ±4.955 | - | V |
| Output Current Limit (Sourcing, VIN = +VS, RL = 50 Ω to GND) | - | 30 | - | mA |
| Power Supply Operating Range | 2.7 | - | 12 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Low power consumption: 1.5 mA maximum quiescent current per amplifier.
- Low wideband noise: 2.1 nV/√Hz and low 1/f noise: 7 nV/√Hz at 10 Hz.
- Low distortion: -105 dBc at 100 kHz.
- Rail-to-rail output capability.
- High slew rate: 10 V/μs to 12 V/μs.
- Fast settling time: 175 ns to 0.1% and 550 ns to 0.01%.
- Wide operating temperature range: -40°C to +125°C.
- RoHS compliant lead finishes.
Applications
- Portable instrumentation.
- High channel count industrial measurement.
- Medical applications.
- Driving high-resolution analog-to-digital converters (ADCs), such as the AD7685/AD7686 16-bit PulSAR ADCs.
Q & A
- What is the quiescent current of the ADA4841-1YRJZ-RL?
The quiescent current is 1.5 mA maximum per amplifier.
- What are the key noise specifications of the ADA4841-1YRJZ-RL?
The ADA4841-1YRJZ-RL has a wideband noise of 2.1 nV/√Hz and a low 1/f noise of 7 nV/√Hz at 10 Hz.
- What is the harmonic distortion of the ADA4841-1YRJZ-RL at 100 kHz?
The harmonic distortion is -105 dBc at 100 kHz.
- What is the slew rate of the ADA4841-1YRJZ-RL?
The slew rate is 10 V/μs to 12 V/μs.
- What is the settling time of the ADA4841-1YRJZ-RL to 0.1% and 0.01%?
The settling time is 175 ns to 0.1% and 550 ns to 0.01%.
- What is the output voltage swing of the ADA4841-1YRJZ-RL?
The output voltage swing is ±4.9 V to ±4.955 V with a load resistance of 50 Ω to GND.
- What is the operating temperature range of the ADA4841-1YRJZ-RL?
The operating temperature range is -40°C to +125°C.
- Is the ADA4841-1YRJZ-RL RoHS compliant?
- What are some typical applications of the ADA4841-1YRJZ-RL?
Typical applications include portable instrumentation, high channel count industrial measurement, medical applications, and driving high-resolution ADCs.
- Can the ADA4841-1YRJZ-RL drive high-resolution ADCs?
