Overview
The ADA4841-1YRZ is a low power, low noise, and distortion operational amplifier produced by Analog Devices Inc. This device is part of the ADA4841 series, known for its unity gain stability and rail-to-rail output. It is designed to operate efficiently in a wide range of applications, including portable instrumentation, high channel count industrial measurement, and medical devices. The amplifier features a quiescent current of 1.5 mA and is rated to work over the industrial temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Amplifier Type | Voltage Feedback |
| Output Type | Rail-to-Rail |
| Mounting Type | Surface Mount |
| -3db Bandwidth | 80 MHz |
| Slew Rate | 13 V/µs |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Product Status | Active |
| Number of Circuits | 1 |
| Current - Supply | 1.5 mA |
| Current - Input Bias | 3 µA |
| Voltage - Input Offset | 40 µV |
| Current - Output / Channel | 60 mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 12 V |
| Operating Temperature | -40°C ~ 125°C |
Key Features
- Low power consumption with a quiescent current of 1.5 mA.
- Low noise and distortion, making it suitable for high precision applications.
- Rail-to-rail output, allowing for maximum output swing.
- Unity gain stable, ensuring reliable operation in various configurations.
- High slew rate of 13 V/µs and a -3db bandwidth of 80 MHz, supporting high-frequency applications.
- Excellent power supply rejection ratio (PSRR) of up to 120 dB, reducing noise from the power supply.
- High common-mode rejection ratio (CMRR) of up to 114 dB, enhancing signal integrity.
Applications
- Portable instrumentation: Ideal for battery-powered devices due to its low power consumption.
- High channel count industrial measurement: Supports multiple channels with high precision and low noise.
- Medical devices: Suitable for medical applications requiring high accuracy and reliability.
- Driving ADCs: Specifically designed to drive 16-bit to 18-bit ADCs like the AD7685/AD7686.
Q & A
- What is the typical quiescent current of the ADA4841-1YRZ?
The typical quiescent current is 1.5 mA.
- What is the slew rate of the ADA4841-1YRZ?
The slew rate is 13 V/µs.
- What is the operating temperature range of the ADA4841-1YRZ?
The operating temperature range is -40°C to +125°C.
- What is the maximum output current per channel of the ADA4841-1YRZ?
The maximum output current per channel is 60 mA.
- What is the minimum supply voltage for the ADA4841-1YRZ?
The minimum supply voltage is 2.7 V.
- What is the maximum supply voltage for the ADA4841-1YRZ?
The maximum supply voltage is 12 V.
- Is the ADA4841-1YRZ unity gain stable?
Yes, the ADA4841-1YRZ is unity gain stable.
- What is the common-mode rejection ratio (CMRR) of the ADA4841-1YRZ?
The CMRR is up to 114 dB.
- What is the power supply rejection ratio (PSRR) of the ADA4841-1YRZ?
The PSRR is up to 120 dB.
- What are some typical applications of the ADA4841-1YRZ?
Typical applications include portable instrumentation, high channel count industrial measurement, medical devices, and driving ADCs.
