Overview
The TLV27L1IDBVR is an ultra-low-power, low-voltage, rail-to-rail output single-channel high-precision CMOS operational amplifier (Op Amp) from Texas Instruments (TI) .
The TLV27L1 belongs to TI’s low-power TLV family and is designed for battery-powered devices, sensor interfaces, portable instruments, and low-power signal conditioning . Its ultra-low quiescent current of 1µA and minimum operating voltage of 1.8V make it an ideal analog front-end device for ultra-low-power applications.
It uses a small SOT-23-5 (DBV) package, suitable for long-term operation requirements in compact PCB and ultra-low power applications.
Core parameters
project | numerical values |
op-amp type | Single-channel CMOS operational amplifier |
Power supply voltage range | 1.8V ~ 5.5V (single power supply) |
Static current (Iq) | 1µA (typical) |
Input offset voltage (Vos) | 1.5mV (typical) |
Unity-gain bandwidth (GBW) | 5kHz (ultra-low power consumption) |
Swing rate (SR) | 0.0015V/µs |
Input bias current | <1pA |
Output swing | Approach rail to rail |
Noise (1kHz) | 60 nV/√Hz |
Operating temperature range | -40°C ~ +125°C (Industrial Grade) |
Encapsulation type | SOT-23-5 (DBVR) |
Environmental standards | Lead-free/RoHS |
Features
l Ultra-low power consumption: quiescent current only 1µA
Ideal for the following long-term power supply scenarios:
Battery-powered meters
sensor nodes
Environmental monitoring equipment
IoT ultra-low power terminals
l Low voltage operation (minimum 1.8V)
Suitable:
Single lithium battery (3.0–4.2V)
Dual-cell dry cell batteries (2 x 1.5V)
Ultra-low voltage DC/DC converter output
l Rail-to-Rail Output
In low-voltage systems, it can maximize dynamic range and improve signal availability.
l High input impedance and low bias current
Applicable to:
High impedance sensor
Electrochemical sensors
Weak signals such as thermistors and photoresistors
l Small package (SOT-23-5) saves space
Ideal for portable, embedded, and compact products.
Typical application scenarios
Portable devices/battery-powered meters
Handheld measuring devices
Wearable sensors
Low-power signal conditioning
Front end of temperature sensor, light sensor, and electrochemical sensor
Sensor interface circuit
Pressure, humidity, and current detection
Low-frequency analog circuits
filter
buffer
Comparison/Threshold Signal Conditioning
IoT Low Power Node
Environmental data collector
Remote monitoring module
Performance Comparison
characteristic | TLV27L1 | LMV321 | TLV7001 |
Static current | 1µA | 60µA | 8µA |
power supply voltage | 1.8–5.5V | 2.7–5.5V | 1.6–6.0V |
GBW | 5kHz | 1MHz | 360kHz |
Rail-to-rail output | ✔ | ✔ | ✔ |
Target positioning | Ultra-low power consumption | Universal type | Low noise/medium power consumption |
The TLV27L1 is one of the lowest power consumption series, suitable for low-frequency, low-speed monitoring systems.
Manufacturer Profile: Texas Instruments (TI)
TI is a global leader in the analog device market, particularly in:
Ultra-low power op amp
High-precision analog front end
Power Management IC
It possesses extremely high technical depth.
The TLV27L1 is a low-power analog front-end product launched by TI for the IoT era, suitable for various battery-powered sensor applications.
Why choose TLV27L1IDBVR?
Ultra-low power consumption (Iq = 1µA)
● Low voltage supply (from 1.8V) suitable for battery-powered devices
● Rail-to-rail output improves the dynamic range of low-voltage systems
● Ideal for high-impedance sensor front-ends
● Small package for easy layout
● Industrial-grade reliability (–40~125°C)
Frequently Asked Questions (FAQ)
Q1: Can it be used for high-speed signals?
No. This device has a low gain-bandwidth product and slew rate, which cannot meet the requirements of high-speed signal chains. If the application requires higher bandwidth or faster response, it is recommended to use high-speed or medium-high-speed precision amplifiers such as the TLV9001, OPA3xxx/OPA1xxx series .
Q2: Can it drive an ADC?
Yes, but it’s more suitable for… Low-speed sampling ADC (approximately 10Hz to 1kHz range) . In high-bandwidth ADC driving scenarios, its output swing , slew rate, and bandwidth may be insufficient, affecting sampling accuracy and dynamic performance.
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