Overview
The ADA4692-4ARUZ-RL from Analog Devices Inc. is a quad-channel, rail-to-rail output, single-supply operational amplifier. It is designed to offer low power consumption, wide bandwidth, and low noise, making it suitable for a variety of applications. This amplifier operates over a single supply voltage range of 2.7V to 5V or a dual supply voltage range of ±1.35V to ±2.5V. The ADA4692-4 is particularly useful in scenarios requiring high gain, low distortion, and high slew rate response, especially in low power conditions.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Supply Voltage | 2.7V to 5V, ±1.35V to ±2.5V | V | - |
| Supply Current per Amplifier | 165-200 µA (typ), 240 µA (max) | µA | VOUT = VSY/2, -40°C < TA < +125°C |
| Slew Rate | 1.3 V/µs | V/µs | RL = 2 kΩ, CL = 20 pF, AV = +1 |
| Bandwidth | 3.6 MHz (typ) | MHz | - |
| Offset Voltage | 4.0 mV (max) | mV | VCM = -0.1V to +3.9V, -40°C < TA < +125°C |
| Offset Voltage Drift | 1 µV/°C (typ) | µV/°C | -40°C < TA < +125°C |
| Input Bias Current | 0.5 pA | pA | - |
| Common Mode Rejection Ratio (CMRR) | 98 dB | dB | - |
| Power Supply Rejection Ratio (PSRR) | 90 dB | dB | -40°C < TA < +125°C |
| Operating Temperature Range | -40°C to +125°C | °C | - |
| Package | 14-Lead TSSOP | - | - |
Key Features
- Rail-to-rail output, ensuring maximum signal swing and minimizing distortion.
- Low power consumption with a typical supply current of 165-200 µA per amplifier.
- Wide bandwidth of 3.6 MHz, suitable for high-frequency applications.
- Low noise with a voltage noise density of 16 nV/√Hz.
- Low distortion (THD + N) of 0.003% at AV = +1, RL = 600 Ω, f = 1 kHz, VIN rms = 0.8 Vrms.
- High slew rate of 1.3 V/µs, enabling fast response times.
- Low input bias current of 0.5 pA, ideal for high impedance sensors.
- High CMRR and PSRR, ensuring good rejection of common-mode signals and power supply noise.
Applications
- Photodiode amplifiers and sensor amplifiers.
- Portable medical and instrumentation devices.
- Portable audio applications such as MP3 players, PDAs, and smartphones.
- Communications and low-side current sense.
- ADC drivers, active filters, and sample-and-hold circuits.
- Industrial applications with high impedance sensors like pyroelectric and IR sensors.
Q & A
- What is the supply voltage range for the ADA4692-4ARUZ-RL?
The supply voltage range is 2.7V to 5V for single supply or ±1.35V to ±2.5V for dual supply.
- How many channels does the ADA4692-4ARUZ-RL have?
The ADA4692-4ARUZ-RL has four channels.
- What is the typical bandwidth of the ADA4692-4ARUZ-RL?
The typical bandwidth is 3.6 MHz.
- What is the slew rate of the ADA4692-4ARUZ-RL?
The slew rate is 1.3 V/µs.
- What is the maximum offset voltage for the ADA4692-4ARUZ-RL?
The maximum offset voltage is 4.0 mV.
- What is the typical input bias current of the ADA4692-4ARUZ-RL?
The typical input bias current is 0.5 pA.
- What is the CMRR of the ADA4692-4ARUZ-RL?
The CMRR is 98 dB.
- What is the operating temperature range for the ADA4692-4ARUZ-RL?
The operating temperature range is -40°C to +125°C.
- In what package is the ADA4692-4ARUZ-RL available?
The ADA4692-4ARUZ-RL is available in a 14-Lead TSSOP package.
- What are some common applications of the ADA4692-4ARUZ-RL?
Common applications include photodiode amplifiers, sensor amplifiers, portable medical and instrumentation devices, and portable audio applications.
