TLV271ID - 3MHz Low-Power RRO Op Amp | Texas Instruments
料号： TLV271ID ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.7322 | $0.73 |
| 10 | $0.7322 | $7.32 |
| 100 | $0.7322 | $73.22 |
| 500 | $0.7322 | $366.10 |
| 1,000 | $0.7322 | $732.20 |
TLV271ID 概述
An operational amplifier is an analog signal-conditioning semiconductor that uses high open-loop gain to amplify voltage differences in feedback-based circuits. The TLV271 belongs to the operational-amplifier, analog-amplifier, and signal-conditioning hierarchy. Its rail-to-rail output enables the output stage to approach the supply rails more closely than a conventional output stage, while CMOS construction supports low power consumption and operation from low single-supply voltages.
The TLV271 combines 3 MHz gain-bandwidth product with 2.4 V/us slew rate and 550 uA/channel supply current. Its input noise voltage is 550 nV/Hz, and the verified product data identifies a 39 nV/Hz input-bias-current figure. The device is intended for low-power, wide-bandwidth signal paths operating across a 2.7 V to 16 V supply range.
The TLV27x family provides rail-to-rail output swing and a minimum operating supply voltage of 2.7 V. This architecture is useful in portable instrumentation, sensor interfaces, buffer stages, and general-purpose analog signal conditioning where a low-noise, low-power amplifier is preferred. The TLV271ID uses the D suffix package configuration identified in the verified distributor data as an 8-pin SOIC.
Typical applications include portable measurement, low-side current sensing, sensor buffers, audio and communication interfaces, and industrial control modules. In a current-sense amplifier, the op amp amplifies the small voltage generated across a shunt resistor; its 3 MHz bandwidth and rail-to-rail output support useful signal range. In a sensor buffer, low supply current helps preserve limited power budgets.
When designing around the TLV271ID, verify input common-mode behavior, output swing, load requirements, and stability for the selected feedback network. Decoupling capacitors should be placed close to the supply pins, and the PCB should minimize loop area to reduce supply-noise coupling. The TLV271 family is identified by Texas Instruments as an active product family, with final orderable-grade and lifecycle status checked against current manufacturer data.
This page combines verified manufacturer and distributor information with a focused selection guide, application context, design notes, and qualified replacement discussion. It is intended to help engineers identify whether the TLV271ID fits a 2.7 V-to-16 V, low-power, rail-to-rail-output analog design.
直接替换替代料： TLV271ID ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
TLV9151ID
✅ 直接替换📋 参考替代料（不在目录中）
TLV271ID 最大额定值与电气特性
| Product Type | Single CMOS operational amplifier |
| Number of Amplifiers | 1 |
| Maximum Supply Voltage | 16 V |
| Operating Supply Voltage Range | 2.7 V to 16 V |
| Gain-Bandwidth Product | 3 MHz |
| Slew Rate | 2.4 V/us |
| 电源电流 | 550 uA/channel |
| Input Noise Voltage | 550 nV/Hz |
| Input Bias Current | 39 nV/Hz |
| Output Swing | Rail-to-rail output |
| 工作温度范围 | -40 C to +125 C |
| Commercial Grade Temperature | To 125 C |
| 封装 | 8-pin SOIC |
| 安装类型 | Surface Mount |
TLV271ID 8-pin soic 引脚配置指南
TLV271ID（8-pin soic 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： TLV271ID.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TLV271ID 适用于 6 应用s: Portable Sensor Signal Conditioning, Low-Side Current Sensing, Industrial Analog Input Buffering, Battery-Powered Measurement Module, General-Purpose Analog Interface, Audio and Communication Interface.
Portable Sensor Signal Conditioning
The TLV271ID fits portable sensor-conditioning circuits because it combines a 2.7 V minimum supply with approximately 550 uA/channel supply current and 3 MHz gain-bandwidth product. A sensor signal can feed the amplifier through a high-impedance input network, with the op amp providing gain or buffering before an ADC or transmitter. The low-power operating current helps preserve battery life, while rail-to-rail output improves usable signal swing near the supply rails. Confirm the input common-mode range and output load against the manufacturer datasheet.
推荐
Low-Side Current Sensing
TLV271ID is appropriate for amplifying the small differential voltage produced by a low-side shunt resistor. Its 3 MHz gain-bandwidth product supports signal conditioning, while the 2.4 V/us slew rate helps represent changing load current without excessive slew limitation. The single-supply range of 2.7 V to 16 V allows the amplifier to operate near the measurement system supply. The input common-mode voltage, shunt resistance, gain resistor ratio, and output loading must be designed around the exact datasheet limits.
推荐
Industrial Analog Input Buffering
The TLV271ID can buffer low-level industrial analog inputs before conversion or control by a downstream processor. Its 550 uA/channel supply current is useful for distributed measurement nodes, and the 3 MHz bandwidth provides more margin than a purely slow precision amplifier in many signal paths. Rail-to-rail output helps preserve dynamic range in a single-supply system. For factory equipment, verify input common-mode limits, noise behavior, ESD protection, temperature requirements, and grounding at the connector and amplifier.
推荐
Battery-Powered Measurement Module
TLV271ID is a reasonable fit for battery-powered measurement modules because it operates from 2.7 V and consumes approximately 550 uA per channel in the verified family description. The amplifier can condition a sensor or bridge signal before a low-power ADC, reducing the need for a higher-current general-purpose op amp. Its 3 MHz bandwidth can handle moderately fast analog signals, but continuous operation and sensor current will dominate the complete battery budget. Validate sleep modes, leakage, and load current at the system level.
推荐
General-Purpose Analog Interface
TLV271ID can be used as a general-purpose voltage amplifier, buffer, or active-filter building block when the design needs modest bandwidth and low supply current. The 3 MHz gain-bandwidth product and 2.4 V/us slew rate provide useful response for instrumentation and control signals without requiring a high-speed amplifier. The rail-to-rail output improves headroom, but the circuit designer must still account for input range, output loading, feedback stability, and component tolerances. Use the official electrical characteristics for final design values.
推荐
Audio and Communication Interface
The TLV271ID may be used in low-level audio or communication interface circuits where low supply current, moderate bandwidth, and rail-to-rail output are useful. Its 3 MHz gain-bandwidth product can pass or condition small signals in communication front ends, while 2.4 V/us slew rate limits large-signal distortion in modest-bandwidth paths. For audio, compare the input noise and distortion requirements against the full datasheet test conditions. TLV271ID is not automatically an audio replacement for a precision or high-current amplifier.
推荐
推荐产品汇总
工程参考数据： TLV271ID ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | TLV9151ID |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Package | 8-pin SOIC | 8-pin SOIC |
| Amplifier Count | 1 | 1 |
| Maximum Supply Voltage | 16 V | 16 V |
| Gain-Bandwidth Product | 3 MHz | 4.5 MHz |
关键差异点
- Low-power operation with moderate bandwidth （对比 TLV9151ID)
- Single amplifier in a compact SOIC （对比 TLV9151ID)
- Rail-to-rail output for single-supply headroom （对比 TLV9151ID)
设计说明
Use a local supply-decoupling capacitor at the TLV271ID power pins and keep the connection path short. The verified 550 uA/channel supply-current figure helps with low-power design, but actual consumption depends on output load, supply voltage, and operating state. Ensure the source can provide transient current without excessive noise; do not assume the low quiescent current guarantees low total system power when driving a heavy capacitive or resistive load.
Place the amplifier near the feedback resistors and signal-source connection to minimize parasitic capacitance and feedback-loop length. Route sensitive input traces away from switching nodes and high-current power paths. The TLV271ID is an 8-pin SOIC, so follow the official package drawing and pinout rather than relying on a generic SOIC footprint when the exact pin numbering is not available in the verified snippets.
Do not assume that rail-to-rail output means the input is also fully rail-to-rail. The verified data specifically identifies rail-to-rail output, while the input common-mode range is not supplied and is marked [DATA_NEEDED: input common-mode range]. Confirm input headroom, output swing under load, maximum supply voltage, and feedback-network stability from the manufacturer datasheet before production release.
合规信息
The provided verified snippets do not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status for TLV271ID. Compliance fields are therefore reported as unknown rather than inferred.