Overview
The TLV2221IDBVRG4 is a single low-voltage operational amplifier produced by Texas Instruments. It is part of the TLV2221 family and is available in the SOT-23 package. This device is designed to offer a balance between AC performance and output drive, making it suitable for a wide range of applications. The TLV2221IDBVRG4 is fully characterized for single-supply operation at 3 V and 5 V and is optimized for low-voltage applications. It features rail-to-rail output performance, low noise, and high input impedance, making it ideal for small-signal conditioning and battery-powered devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | - | 10 | V |
| Operating Free-Air Temperature (TA) | -40 | - | 85 | °C |
| Input Offset Voltage (VIO) | 0.61 | 3 | 3 | mV |
| Input Bias Current (IIB) | 1 | - | 150 | pA |
| Common-Mode Input Voltage Range (VICR) | 0 | - | VDD-1.3 | V |
| High-Level Output Voltage (VOH) | 2.97 | - | 4.88 | V |
| Low-Level Output Voltage (VOL) | 0.12 | - | 0.5 | V |
| Supply Current (IDD) | 100 | 150 | 200 | µA |
| Slew Rate at Unity Gain (SR) | 0.1 | 0.18 | - | V/µs |
| Equivalent Input Noise Voltage (Vn) | 19 | - | - | nV/√Hz |
Key Features
- Rail-to-rail output performance for increased dynamic range in single- or split-supply applications.
- Low noise: 19 nV/√Hz at 1 kHz.
- Low input bias current: 1 pA typical.
- High input impedance.
- Very low power consumption: 110 µA typical at 3 V and 5 V.
- Wide supply voltage range: 2.7 V to 10 V.
- Common-mode input voltage range includes negative rail.
- Ideal for battery-powered applications and small-signal conditioning for high-impedance sources.
- Compact SOT-23 package, requiring only one-third the board space of a standard 8-pin SOIC package.
Applications
- Battery-powered devices and hand-held monitoring equipment.
- Remote-sensing applications.
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers.
- Interfacing with analog-to-digital converters (ADCs).
- Low-voltage and low-power analog circuits.
Q & A
- What is the supply voltage range for the TLV2221IDBVRG4?
The supply voltage range is from 2.7 V to 10 V.
- What is the typical input offset voltage of the TLV2221IDBVRG4?
The typical input offset voltage is 3 mV.
- What is the input bias current of the TLV2221IDBVRG4?
The input bias current is 1 pA typical.
- What is the common-mode input voltage range for the TLV2221IDBVRG4?
The common-mode input voltage range includes the negative rail up to VDD-1.3 V.
- What is the slew rate at unity gain for the TLV2221IDBVRG4?
The slew rate at unity gain is 0.18 V/µs typical.
- What is the equivalent input noise voltage of the TLV2221IDBVRG4?
The equivalent input noise voltage is 19 nV/√Hz at 1 kHz.
- What are the operating temperature ranges for the TLV2221IDBVRG4?
The operating temperature range is from -40°C to 85°C.
- What is the typical supply current of the TLV2221IDBVRG4?
The typical supply current is 150 µA at 3 V and 5 V.
- What package type is the TLV2221IDBVRG4 available in?
The TLV2221IDBVRG4 is available in the SOT-23 package.
- What are some common applications for the TLV2221IDBVRG4?
Common applications include battery-powered devices, remote-sensing, small-signal conditioning, and interfacing with ADCs.
