Overview
The OPA2835IDR is a dual-channel, ultra-low-power, rail-to-rail output, voltage feedback amplifier produced by Texas Instruments. This operational amplifier is designed for applications requiring high performance with minimal power consumption, making it ideal for battery-powered portable devices. Its market positioning targets industries such as consumer electronics, industrial automation, and medical devices, where efficiency and precision are paramount. The OPA2835IDR stands out for its low power consumption, high bandwidth, and rail-to-rail output capabilities, offering a competitive edge in power-sensitive applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Architecture | Voltage FB | - | - |
| Number of Channels | 2 | - | - |
| Total Supply Voltage (Min) | 2.5 | V | - |
| Total Supply Voltage (Max) | 5.5 | V | - |
| GBW (Typ) | 30 | MHz | - |
| BW @ Acl | 56 | MHz | - |
| Slew Rate (Typ) | 160 | V/µs | - |
| Vn at Flatband (Typ) | 9.3 | nV/√Hz | - |
| Iq per Channel (Typ) | 0.25 | mA | - |
| Vos (Max) | 0.5 | mV | @25°C |
| Operating Temperature Range | -40 to 125 | °C | - |
Key Features
- Ultra-low power consumption, ideal for battery-powered applications.
- Rail-to-rail output for maximum dynamic range.
- Negative rail input capability enhances versatility in circuit design.
- High bandwidth and slew rate for fast signal processing.
- Low input noise and offset voltage for precision applications.
Applications
The OPA2835IDR is widely used in various fields due to its low power consumption and high performance. In consumer electronics, it is utilized in portable devices such as smartphones and tablets for signal conditioning and amplification. In industrial automation, it plays a crucial role in sensor signal processing and control systems. The medical field benefits from its precision in portable diagnostic equipment. Additionally, its low power and high bandwidth make it suitable for IoT devices and energy-efficient systems.
Q & A
1. What is the power supply range for the OPA2835IDR?
The OPA2835IDR operates with a total supply voltage ranging from 2.5V to 5.5V.
2. What is the typical bandwidth of the OPA2835IDR?
The typical gain bandwidth product (GBW) is 30 MHz.
3. Can the OPA2835IDR handle rail-to-rail output?
Yes, the OPA2835IDR supports rail-to-rail output, providing maximum dynamic range.
4. What is the typical quiescent current per channel?
The typical quiescent current per channel is 0.25 mA.
5. What is the maximum offset voltage of the OPA2835IDR?
The maximum offset voltage is 0.5 mV at 25°C.
6. Is the OPA2835IDR suitable for battery-powered applications?
Yes, its ultra-low power consumption makes it ideal for battery-powered devices.
7. What is the operating temperature range of the OPA2835IDR?
The OPA2835IDR operates within a temperature range of -40°C to 125°C.
8. Does the OPA2835IDR support negative rail input?
Yes, it supports negative rail input, enhancing its versatility in circuit design.
9. What is the typical slew rate of the OPA2835IDR?
The typical slew rate is 160 V/µs.
10. What are the typical applications of the OPA2835IDR?
Typical applications include portable electronics, industrial automation, medical devices, and IoT systems.
