Overview
The TLV8811DBVR, produced by Texas Instruments, is a single-channel precision ultra-low-power operational amplifier. It is part of the TLV8811 and TLV8812 family, designed for cost-optimized, 'Always ON' sensing applications in battery-powered wireless and low-power wired equipment. With a quiescent current of 425 nA per channel and a trimmed offset voltage of less than 500 µV, this amplifier provides high precision while minimizing power consumption. It is particularly suited for applications where operational battery life is critical, such as in CO gas detectors and portable electronic devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ - V-) | 1.7 | 5.5 | V | |
| Offset Voltage (VOS) | ±75 | ±550 | µV | |
| Input Offset Drift (ΔVOS/ΔT) | ±1 | µV/°C | ||
| Power-Supply Rejection Ratio (PSRR) | ±1.6 | ±60 | µV/V | |
| Common-Mode Voltage Range (VCM) | 0 | 2.4 | V | |
| Common-Mode Rejection Ratio (CMRR) | 77 | 95 | dB | |
| Input Bias Current (IB) | ±100 | fA | ||
| Quiescent Current (IQ) per Channel | 450 | 750 | nA | |
| Gain-Bandwidth Product | 6 | kHz | ||
| Temperature Range | -40 | 125 | °C | |
| Package Type | 5-pin SOT-23 |
Key Features
- Nanopower Supply Current: 425 nA/channel
- Offset Voltage: 500 µV (max)
- Input Offset Drift: 1 µV/°C
- Gain-Bandwidth Product: 6 kHz
- Unity-Gain Stable
- Low Input Bias Current: 100 fA
- Wide Supply Range: 1.7 V to 5.5 V
- Rail-to-Rail Output
- No Output Reversals
- EMI Protection
- Temperature Range: –40°C to 125°C
- Industry Standard Packages: Single in 5-pin SOT-23, Dual in 8-pin VSSOP
Applications
- Gas Detectors (CO and O2)
- PIR Motion Detectors
- Current Sensing
- Thermostats
- IoT (Internet of Things) Remote Sensors
- Active RFID Readers and Tags
- Portable Medical Equipment
- Portable Glucose Monitors
Q & A
- What is the typical quiescent current of the TLV8811DBVR?
The typical quiescent current of the TLV8811DBVR is 450 nA per channel.
- What is the maximum offset voltage of the TLV8811DBVR?
The maximum offset voltage of the TLV8811DBVR is 500 µV.
- What is the gain-bandwidth product of the TLV8811DBVR?
The gain-bandwidth product of the TLV8811DBVR is 6 kHz.
- Is the TLV8811DBVR unity-gain stable?
Yes, the TLV8811DBVR is unity-gain stable.
- What is the input bias current of the TLV8811DBVR?
The input bias current of the TLV8811DBVR is 100 fA.
- What is the supply voltage range of the TLV8811DBVR?
The supply voltage range of the TLV8811DBVR is from 1.7 V to 5.5 V.
- Does the TLV8811DBVR have rail-to-rail output?
Yes, the TLV8811DBVR has rail-to-rail output.
- Is the TLV8811DBVR protected against EMI?
Yes, the TLV8811DBVR has built-in EMI protection.
- What is the temperature range of the TLV8811DBVR?
The temperature range of the TLV8811DBVR is from –40°C to 125°C.
- In what package is the TLV8811DBVR available?
The TLV8811DBVR is available in a 5-pin SOT-23 package.
