Overview
The TLV2221IDBVR is a single low-voltage operational amplifier produced by Texas Instruments. It is part of the Advanced LinCMOS family and is available in a compact SOT-23 (DBV) package with 5 pins. This operational amplifier is designed to offer a balance between AC performance and output drive, making it suitable for a wide range of applications. It is fully characterized for single-supply operation at 3 V and 5 V, and it is optimized for low-voltage applications. The device is known for its low power consumption, high input impedance, and low noise, making it ideal for battery-powered devices and small-signal conditioning in high-impedance sources such as piezoelectric transducers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | |
| Pins | 5 | |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 2.7 V to 10 V | |
| Bandwidth | 510 kHz | |
| Slew Rate | 0.18 V/µs | |
| Input Offset Voltage | 620 µV (typ) | |
| Input Bias Current | 1 pA (typ) | |
| Supply Current | 110 µA (typ), 150 µA (max) | |
| Output Swing | Includes both supply rails | |
| Noise | 19 nV/Hz (typ) at f = 1 kHz |
Key Features
- Output swing includes both supply rails, providing rail-to-rail output performance.
- Low noise: 19 nV/Hz (typ) at f = 1 kHz.
- Low input bias current: 1 pA (typ).
- Fully specified for single-supply 3-V and 5-V operation.
- Very low power consumption: 110 µA (typ), 150 µA (max).
- Common-mode input voltage range includes negative rail.
- Wide supply voltage range: 2.7 V to 10 V.
- High input impedance and low noise, making it excellent for small-signal conditioning.
- Ultra-small SOT-23 package, requiring only one third the board space of the standard 8-pin SOIC package.
Applications
- Battery-powered devices due to low power consumption.
- Hand-held monitoring and remote-sensing applications.
- Small-signal conditioning for high-impedance sources, such as piezoelectric transducers.
- Interfacing with analog-to-digital converters (ADCs) due to rail-to-rail output feature.
- General-purpose amplification in low-voltage systems.
Q & A
- What is the package type of the TLV2221IDBVR? The TLV2221IDBVR is packaged in a SOT-23 (DBV) package with 5 pins.
- What is the operating temperature range of the TLV2221IDBVR? The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the TLV2221IDBVR? The supply voltage range is 2.7 V to 10 V.
- What is the typical supply current of the TLV2221IDBVR? The typical supply current is 110 µA, with a maximum of 150 µA.
- What are the key features of the TLV2221IDBVR? Key features include rail-to-rail output, low noise, low input bias current, and very low power consumption.
- What applications is the TLV2221IDBVR suitable for? It is suitable for battery-powered devices, hand-held monitoring, remote-sensing, and interfacing with ADCs.
- How does the SOT-23 package benefit the design? The SOT-23 package is ultra-small, requiring only one third the board space of the standard 8-pin SOIC package, and allows for placement close to the signal source to minimize noise pick-up.
- What is the bandwidth of the TLV2221IDBVR? The bandwidth is 510 kHz.
- What is the slew rate of the TLV2221IDBVR? The slew rate is 0.18 V/µs.
- Is the TLV2221IDBVR RoHS compliant? Yes, the TLV2221IDBVR is RoHS compliant.
