Overview
The TLV522DGKR is a dual nanopower, 500 nA, rail-to-rail input and output (RRIO) CMOS operational amplifier produced by Texas Instruments. This device is part of TI's nanopower family of operational amplifiers, offering optimum price performance. It is designed for low-power applications, particularly in battery-powered devices, and is well-suited for use in building automation and remote sensing nodes. The TLV522 operates over a wide supply range of 1.7 V to 5.5 V and features a very low quiescent current of 500 nA per channel, making it highly efficient for energy-constrained systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ to V–) | 1.7 | 5.5 | V | |
| Quiescent Current per Channel | 500 | nA | ||
| Input Offset Voltage (VOS) | -4 | ±1 | 4 | mV |
| Temperature Coefficient of VOS (dVOS/dT) | 1.5 | µV/°C | ||
| Gain-Bandwidth Product | 8 | kHz | ||
| Input Bias Current | 1 | pA | ||
| Common-Mode Voltage Range | V- – 0.3 | V+ + 0.3 | V | |
| Operating Temperature Range | -40 | 125 | °C | |
| Package | 8-pin VSSOP (MSOP) |
Key Features
- Unmatched price performance in the nanopower family
- Wide supply range: 1.7 V to 5.5 V
- Low supply current: 500 nA per channel
- Rail-to-rail input and output (RRIO)
- Unity-gain stable
- Low input bias current: 1 pA
- EMI hardened to reduce sensitivity to RF signals
- Temperature range: –40°C to 125°C
Applications
- Personal health monitors
- Battery packs
- Solar-powered or energy-harvested systems
- PIR, smoke, gas, and fire detection systems
- Battery-powered Internet of Things (IoT) devices
- Remote sensors/wireless sensing nodes
- Wearables
- Glucose monitoring
Q & A
- What is the supply voltage range of the TLV522?
The TLV522 operates over a supply voltage range of 1.7 V to 5.5 V. - What is the quiescent current per channel of the TLV522?
The quiescent current per channel is 500 nA. - What is the input offset voltage (VOS) of the TLV522?
The input offset voltage (VOS) is typically ±1 mV with a maximum of 4 mV. - Is the TLV522 EMI hardened?
Yes, the TLV522 is EMI hardened to reduce sensitivity to unwanted RF signals. - What is the operating temperature range of the TLV522?
The operating temperature range is –40°C to 125°C. - In what package is the TLV522 available?
The TLV522 is available in an 8-pin VSSOP (MSOP) package. - What are some typical applications of the TLV522?
Typical applications include personal health monitors, battery packs, solar-powered systems, PIR and smoke detection systems, IoT devices, remote sensors, wearables, and glucose monitoring. - Is the TLV522 unity-gain stable?
Yes, the TLV522 is unity-gain stable. - What is the gain-bandwidth product of the TLV522?
The gain-bandwidth product is 8 kHz. - What is the input bias current of the TLV522?
The input bias current is 1 pA.
