Overview
The ADA4692-2ARZ-RL is a dual, low-power, wideband, and low-noise operational amplifier produced by Analog Devices Inc. This component is part of the ADA4692 series, known for its high performance and versatility in various applications. The ADA4692-2 features rail-to-rail output, making it suitable for a wide range of signal processing tasks. It is particularly noted for its low power consumption, very low input bias currents, and low noise characteristics, which are essential for precision and reliability in electronic systems.
Key Specifications
| Parameter | Symbol | Typical | Min | Max | Unit |
|---|---|---|---|---|---|
| Supply Current Per Amplifier | ISY | 180 μA | 165 μA | 200 μA | μA |
| Input Bias Current | IB | 0.5 pA | pA | ||
| Voltage Noise Density | e_n | 16 nV/√Hz | nV/√Hz | ||
| Bandwidth | f_BW | 3.6 MHz | MHz | ||
| Offset Voltage | V_OS | 500 μV | μV | ||
| Offset Voltage Drift | T_CV_OS | 4 μV/°C | μV/°C | ||
| Slew Rate | SR | 1.1 V/μs | V/μs | ||
| Supply Voltage Range | V_SY | 2.7 V to 5 V (single supply), ±1.35 V to ±2.5 V (dual supply) | V | ||
| Operating Temperature Range | T_A | −40°C to +125°C | °C |
Key Features
- Low power consumption: 180 μA typical per amplifier.
- Very low input bias currents: 0.5 pA typical.
- Low noise: 16 nV/√Hz typical voltage noise density.
- Wide bandwidth: 3.6 MHz.
- Low offset voltage: 500 μV typical.
- Low offset voltage drift: 4 μV/°C maximum.
- Rail-to-rail output.
- Single supply operation: 2.7 V to 5 V, or dual supply operation: ±1.35 V to ±2.5 V.
- Available in small packages such as 8-Lead SOIC_N and 2 mm × 2 mm LFCSP.
Applications
- Photodiode amplifiers.
- Sensor amplifiers.
- Portable medical and instrumentation devices.
- Portable audio devices: MP3s, PDAs, and smartphones.
- Communications equipment.
- Low-side current sense and ADC drivers.
- Active filters and sample-and-hold circuits.
Q & A
- What is the typical supply current per amplifier for the ADA4692-2?
The typical supply current per amplifier is 180 μA.
- What is the input bias current of the ADA4692-2?
The input bias current is typically 0.5 pA.
- What is the bandwidth of the ADA4692-2?
The bandwidth is 3.6 MHz.
- What is the offset voltage of the ADA4692-2?
The offset voltage is typically 500 μV.
- What are the operating temperature ranges for the ADA4692-2?
The operating temperature range is −40°C to +125°C.
- What are the supply voltage ranges for the ADA4692-2?
The supply voltage ranges are 2.7 V to 5 V for single supply and ±1.35 V to ±2.5 V for dual supply.
- What are some common applications of the ADA4692-2?
Common applications include photodiode amplifiers, sensor amplifiers, portable medical and instrumentation devices, portable audio devices, communications equipment, low-side current sense, ADC drivers, active filters, and sample-and-hold circuits.
- What package options are available for the ADA4692-2?
The ADA4692-2 is available in packages such as 8-Lead SOIC_N and 2 mm × 2 mm LFCSP.
- Does the ADA4692-2 have shutdown functionality?
No, the ADA4692-2 does not have shutdown functionality. However, the ADA4691-2, which is a similar model, does have independent shutdown pins.
- What is the slew rate of the ADA4692-2?
The slew rate is typically 1.1 V/μs.
