TLV2453CN - Dual 6V RRIO Op Amp with Shutdown | TI
料号： TLV2453CN ✓ 量产中TLV2453CN 概述
A rail-to-rail input/output operational amplifier is an analog amplifier whose input and output voltage ranges extend toward the positive and negative supply rails. Its place in the signal-chain hierarchy is amplifier IC, analog integrated circuit, semiconductor, and ultimately electronic component. The TLV2453 family serves general-purpose applications where low power, broad output swing, and shutdown control are more important than high bandwidth.
Key features include two amplifier channels, 220 kHz gain-bandwidth product, 23 uA per-channel quiescent current, rail-to-rail inputs and outputs, and a shutdown function. The amplifier also provides a typical 20 uV input offset voltage and approximately ±10 mA output drive capability. These characteristics make the device useful for battery-powered instrumentation, sensor interfaces, and low-energy signal-processing systems.
The 220 kHz gain-bandwidth product supports closed-loop operation at moderate signal frequencies while keeping quiescent power consumption low. Because the output can operate close to the supply rails, a 6 V system can retain useful signal range without a rail-to-rail output stage. Rail-to-rail input behavior improves common-mode range, although the input common-mode range, output swing limits, stability behavior, and noise characteristics should be checked against the manufacturer datasheet for the intended operating conditions.
Typical applications include portable sensor conditioning, low-current data acquisition, battery-powered monitoring, industrial signal interfaces, and embedded analog measurement systems. In each case, the 23 uA per-channel quiescent current reduces standing power demand, while the shutdown pin can disable the amplifier when the system does not require continuous operation.
Design around the 6 V maximum supply named for the device and verify input and output signal amplitudes before applying it to a precision measurement path. Keep sensitive input and feedback nodes away from switching nodes and noisy supply traces. When shutdown timing matters, account for the device's transition behavior and ensure the control signal remains within its specified voltage range.
This page organizes the TLV2453CN's electrical characteristics, package information, application guidance, design considerations, and verified substitute availability into an engineering-focused selection resource. It also distinguishes documented drop-in alternatives from parts that require a different footprint or a broader design review.
直接替换替代料： TLV2453CN ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料TLV2453CN 最大额定值与电气特性
| Number of Channels | 2 channels |
| 电源电压 | 6 V |
| Gain-Bandwidth Product | 220 kHz |
| 静态电流 | 23 uA per channel |
| Input Common-Mode Range | Rail-to-rail |
| Output Swing | Rail-to-rail |
| Input Offset Voltage | 20 uV typical |
| Output Drive Capability | ±10 mA |
| Shutdown Function | Yes |
| 封装 | 14-PDIP |
| 引脚数量 | 14 pins |
| 安装类型 | Through-hole |
| Product Classification | Standard general-purpose amplifier |
TLV2453CN 14-pdip 引脚配置指南
TLV2453CN（14-pdip 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： TLV2453CN.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TLV2453CN 适用于 6 应用s: Battery-Powered Sensor Conditioning, Portable Data Acquisition, Industrial Instrumentation, Low-Power Monitoring Systems, Analog Signal Buffering, Low-Energy Control Interfaces.
Battery-Powered Sensor Conditioning
The TLV2453CN is well suited to conditioning signals from low-power sensors because each channel draws 23 uA of quiescent current at the device's 6 V operating rating. Rail-to-rail inputs help accommodate sensor outputs that move close to either supply rail, while rail-to-rail outputs increase the usable span at the following ADC or controller input. Place the amplifier close to the sensor connector, keep feedback traces short, and use the shutdown control when continuous monitoring is unnecessary. Because sensor bias current and output loading can dominate the power budget, verify the complete signal-chain current before estimating battery life.
Portable Data Acquisition
A portable acquisition system can use both TLV2453CN channels to amplify sensor or transducer signals before conversion to digital data. The 220 kHz gain-bandwidth product provides useful bandwidth for many slowly varying industrial and portable measurements, while the low 23 uA per-channel quiescent current helps limit standby demand. Rail-to-rail input and output stages can improve signal utilization in compact systems operating from a low-voltage source. Apply the manufacturer datasheet limits to input voltage, output swing, common-mode range, and capacitive loading, and include anti-alias filtering after the amplifier when the sampled bandwidth requires it.
Industrial Instrumentation
The TLV2453CN can serve as a general-purpose front-end amplifier in industrial instrumentation that requires a 6 V supply, rail-to-rail signal handling, and two amplifier channels in one through-hole package. Its 220 kHz gain-bandwidth product is appropriate for many process-control and diagnostic signals rather than high-frequency communications paths. The shutdown function can isolate the analog section during idle intervals, but the control sequence should be coordinated with downstream converters and sensors. Maintain short analog traces, use a quiet reference or supply arrangement where needed, and confirm input impedance and offset behavior for the particular sensor source.
Low-Power Monitoring Systems
The TLV2453CN fits monitoring systems that periodically measure an analog condition and then enter a reduced-power state. Two channels can handle related inputs, such as a sensor signal and a temperature or threshold reference, while the 23 uA per-channel quiescent current limits the continuous load. Rail-to-rail operation is useful when the monitored signal occupies much of the available 6 V supply range. For duty-cycled designs, evaluate startup, shutdown timing, and input settling at the required sampling rate. Stable reference components and low-leakage PCB surfaces are especially important when the amplifier is expected to resolve small signals between measurement cycles.
Analog Signal Buffering
When a sensor or divider produces a signal that cannot directly drive the next circuit, the TLV2453CN can provide voltage buffering and level shifting within its rail-to-rail output range. The 220 kHz gain-bandwidth product allows operation as a unity-gain buffer at signal frequencies well below the amplifier's gain-bandwidth limit, subject to the stability and loading requirements in the manufacturer datasheet. A typical 20 uV input offset voltage can also be useful in moderate-precision buffering, although long feedback traces increase susceptibility to noise and coupling. Connect the unused amplifier channel according to the datasheet guidance rather than allowing an undefined input state.
Low-Energy Control Interfaces
The TLV2453CN can amplify control, feedback, or sensor-derived voltages in compact embedded systems that operate from a 6 V rail. Its dual-channel configuration reduces the number of amplifier packages needed when two related functions must be handled, while the shutdown input supports activity-based power management. The approximately ±10 mA output-drive capability is suitable for many high-impedance loads but does not imply heavy capacitive-load capability. Keep output paths short, check the load's DC and capacitive requirements, and design the shutdown control so it cannot float. This prevents unintended operation or excessive current in low-energy systems.
工程参考数据： TLV2453CN ——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 |
|---|---|
| Brand | Texas Instruments |
| Package | 14-PDIP |
| Number of Channels | 2 |
| Supply Voltage | 6 V |
| Gain-Bandwidth Product | 220 kHz |
| Quiescent Current | 23 uA per channel |
| Input Offset Voltage | 20 uV typical |
| Output Drive Capability | ±10 mA |
| Input and Output Swing | Rail-to-rail |
| Shutdown Function | Yes |
关键差异点
- Low-power dual-channel integration （对比 TLV2453CN versus a discrete single-channel implementation)
- Shutdown support （对比 TLV2453CN versus a conventional amplifier without shutdown)
- Rail-to-rail signal range （对比 TLV2453CN versus a conventional non-RRIO amplifier)
设计说明
Calculate the complete power budget from the 6 V supply, sensor current, load current, and the TLV2453CN's 23 uA per-channel quiescent current. If the amplifier is disabled during inactive intervals, confirm the shutdown-control logic and account for transitions between operating states. Do not treat the 23 uA figure as total system consumption because bias current, output drive, and shutdown behavior depend on the actual operating condition.
Route sensitive amplifier inputs and high-impedance feedback connections away from switching-regulator, relay, and digital-clock traces. Keep the input and feedback paths short, connect the decoupling capacitor directly to the supply pins, and use a quiet ground-return path. The rail-to-rail input stage can reduce headroom limitations, but it does not remove susceptibility to parasitic pickup or unstable reference nodes.
Verify that input and output voltages remain inside the manufacturer-defined operating limits at the actual supply voltage; rail-to-rail labeling does not guarantee unlimited input range. Avoid leaving an unused amplifier input floating, and follow the datasheet recommendation for that pin. Also check capacitive loading against the stability guidance before driving long cables, ADC sampling networks, or other capacitive inputs directly from the amplifier.
合规信息
Compliance attributes are not identified on the product information summarized for this device. Confirm current material and environmental declarations for the ordered TLV2453CN configuration with the manufacturer.
