LM358TPX/NOPB - 2-Channel 1MHz 32V Op Amp | Texas Instruments
Артикул: LM358TPX/NOPB ✓ АктивенLM358TPX/NOPB Обзор
An operational amplifier is a high-gain analog building block used to amplify, buffer, compare, or sum signals. The dual-amplifier configuration provides two independent channels in one package, reducing board area when a circuit needs two general-purpose amplifier functions. Internally frequency compensation makes the devices straightforward to use for stable closed-loop gains without external compensation components, while the wide supply-voltage range supports both low-voltage and higher-voltage industrial designs.
The 1 MHz gain-bandwidth product is suitable for audio, control, sensing, and signal-conditioning circuits that do not require high-speed operation. A 65 dB common-mode rejection ratio helps reject equal-mode interference, and the 0.1 V/us slew rate defines useful large-signal bandwidth for moderate-frequency waveforms. The 500 uA supply current per amplifier supports low-power signal paths, while the 32 V maximum rating provides additional headroom in applications using higher supply rails.
The LM358 family architecture supports operation from a single positive supply or a split supply. Because each amplifier is independent, one channel can perform one function while the other performs a separate function. The 2 mV typical input offset voltage is suitable for many cost-sensitive general-purpose designs, although precision measurement systems should account for offset, bias current, noise, and temperature drift in their error budget.
Typical uses include microphone preamplification, sensor signal conditioning, battery-powered monitoring, current-loop interfaces, comparator-style threshold detection, and general DC signal amplification. The 8-DSBGA format is useful where PCB area is constrained, but its small land pattern requires careful assembly and adequate thermal design. The tape-and-reel ordering option also supports automated production handling.
For reliable layout, place input, output, and supply connections to minimize parasitic resistance and capacitance. Keep sensitive input traces short, provide local supply bypassing, and verify the exposed-ball thermal path against the PCB copper area. Designers should also account for input common-mode limits and output-current limits; the amplifier does not operate as a rail-to-rail input or output device.
This product page organizes the key electrical characteristics, package information, sourcing terms, replacement constraints, and engineering guidance for the LM358TPX/NOPB. It also distinguishes same-footprint alternatives from broader LM358-family devices whose packages or electrical operating limits require a different design review.
Аналоги без доработки для LM358TPX/NOPB — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
LM358TP/NOPB
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Открыть даташит →LM358TPX/NOPB Максимальные параметры и электрические характеристики
| Number of Amplifier Channels | 2 channels |
| Amplifier Type | General-purpose operational amplifier |
| Maximum Supply Voltage | 32 V |
| Single-Supply Operating Range | 3 V to 32 V |
| Gain-Bandwidth Product | 1 MHz |
| Common-Mode Rejection Ratio | 65 dB |
| Slew Rate | 0.1 V/us |
| Supply Current per Amplifier | 500 uA |
| Input Offset Voltage | 2 mV |
| Compensation | Internally frequency compensated |
| Корпус | 8-DSBGA |
| Package Variant | 8-UFBGA |
| Тип монтажа | Surface mount |
| Диапазон рабочих температур | 0 C to 70 C |
| Packaging | Tape and reel |
Руководство по цоколевке LM358TPX/NOPB в корпусе 8-ufbga
Цоколевка для LM358TPX/NOPB (корпус 8-ufbga). Этот аналоговый компонент имеет выводы входа, выхода и питания. Обратитесь к техническому описанию производителя для конфигураций выводов балансировки нуля, коррекции и разрешения. Идеально подходит для схем обработки сигналов и усилителей.
Нет подробных данных о распиновке для LM358TPX/NOPB.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
LM358TPX/NOPB подходит для 6 применениеs: Low-Voltage Sensor Signal Conditioning, Microphone and Audio Preamplification, Industrial Control and Threshold Detection, Battery-Powered Monitoring Systems, Current and Voltage Measurement Loops, Embedded Analog Interface Circuits.
Low-Voltage Sensor Signal Conditioning
The LM358TPX/NOPB fits sensor-conditioning circuits that operate from a 3 V to 32 V single supply and require two general-purpose amplifier channels. Its approximately 500 uA supply current per amplifier helps control consumption in battery-operated equipment, while the 1 MHz gain-bandwidth product accommodates sensors with moderate-bandwidth signals such as temperature, pressure, and position elements. Place the active input near the associated sensor and place the amplifier output away from switching nodes to reduce parasitic pickup. Because the amplifier is not rail-to-rail, verify that the sensor voltage remains inside the input common-mode range and that the output target provides sufficient swing margin.
Рекомендуется
Microphone and Audio Preamplification
The two independent channels of the LM358TPX/NOPB can support separate microphone or line-level audio paths in compact analog boards. A 1 MHz gain-bandwidth product is suitable for common speech, instrumentation, and low-to-moderate-bandwidth audio signals, while the 0.1 V/us slew rate provides useful margin for small to medium output amplitudes. The LM358 architecture is low-power and economical, but its input offset, noise, common-mode limits, and output-swing restrictions must fit the audio specification. Configure gain with feedback resistors selected for resistor noise and stability, and bypass the supply close to the package.
Рекомендуется
Industrial Control and Threshold Detection
The LM358TPX/NOPB is useful in industrial control blocks where a low-cost dual amplifier can implement threshold detection, error amplification, or slow closed-loop correction. The 3 V to 32 V single-supply range supports control boards operating from 5 V, 12 V, or higher rails, and the two channels can monitor and amplify different nodes. Its 65 dB common-mode rejection helps reduce equal-mode disturbance in sensor and switching environments. Keep the input common-mode voltage within the specified operating region and design the output stage for the required logic levels. Add hysteresis where comparator-style behavior is required to prevent oscillation near the threshold.
Рекомендуется
Battery-Powered Monitoring Systems
The LM358TPX/NOPB suits compact monitoring systems where each amplifier consumes approximately 500 uA under the stated operating conditions. Two channels can condition separate battery or sensor inputs without requiring two separate amplifier packages, reducing board area in wearable-adjacent, portable, or remote monitoring equipment. The 1 MHz bandwidth handles low-frequency measurement signals rather than high-speed waveform tasks. Minimizing leakage around high-impedance sensors remains important because input bias current and board contamination can create errors larger than the 2 mV typical offset. Use guarding, clean PCB surfaces, and short input routes when the source impedance is high.
Рекомендуется
Current and Voltage Measurement Loops
The LM358TPX/NOPB can amplify the error voltage in basic voltage-feedback or current-feedback control loops where 1 MHz bandwidth and 0.1 V/us slew rate provide adequate dynamics. Its dual-channel arrangement allows one amplifier to serve as an error amplifier while the other performs a related sensing or buffering function. The wide single-supply range supports control rails used in industrial and instrumentation equipment. Compensation and stable loop gain must be evaluated at the intended crossover frequency, and the output must remain within the amplifier's swing limits. Avoid using the device as a general-purpose precision reference buffer without checking its offset and bias-current contribution.
Рекомендуется
Embedded Analog Interface Circuits
The LM358TPX/NOPB is practical for embedded boards that need two general-purpose analog channels for sensor interfaces, actuator drivers, or mixed-signal conditioning around a microcontroller or programmable controller. Its 8-DSBGA package reduces the footprint compared with larger dual-amplifier packages, while tape-and-reel packaging supports repeatable automated assembly. Maintain a continuous ground reference, place the bypass capacitor at the supply balls, and route high-impedance inputs away from digital and switching traces. The common-mode and output-swing restrictions are decisive when a system rail is 3.3 V or when the required output must reach close to a supply rail.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для LM358TPX/NOPB — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | LM358TP/NOPB |
|---|---|---|
| Package | 8-DSBGA | 8-DSBGA |
| Brand | Texas Instruments | Texas Instruments |
| Number of Channels | 2 channels | 2 channels |
| Maximum Supply Voltage | 32 V | 32 V |
| Single-Supply Operating Range | 3 V to 32 V | 3 V to 32 V |
| Gain-Bandwidth Product | 1 MHz | 1 MHz |
| Common-Mode Rejection Ratio | 65 dB | 65 dB |
| Slew Rate | 0.1 V/us | 0.1 V/us |
| Supply Current per Amplifier | 500 uA | 500 uA |
| Input Offset Voltage | 2 mV | 2 mV |
Ключевые отличия
- Compact dual-amplifier integration (против LM358N)
- Wide single-supply operating range (против LM358TP/NOPB)
- Low supply-current operation (против LM358TP/NOPB)
Заметки по проектированию
Use the manufacturer package drawing to define the 8-DSBGA land pattern and ball map. Keep the two amplifier inputs short and away from switching nodes, place supply bypass capacitance at the supply and ground balls, and provide a continuous ground reference. Because the package has no externally accessible through-hole lead, inspect the assembly design for solder-ball voiding under the package and verify the reel orientation before production release.
The 1 MHz gain-bandwidth product and 0.1 V/us slew rate are appropriate for low-to-moderate-bandwidth signals, not high-speed edge shaping. Check the closed-loop gain, output amplitude, and frequency together; the most restrictive combination determines usable bandwidth. For source impedances near the amplifier's input-bias-current range, use guarding or a lower-impedance input stage to limit offset error and noise pickup.
Estimated: each active amplifier typically contributes 500 uA of supply current, so two channels can draw approximately 1 mA. Estimated supply power is 5 V x 1 mA = 5 mW, or 12 V x 1 mA = 12 mW, before output-load power is included. These are operating estimates rather than maximum ratings. Confirm actual consumption across output states and supply voltages in the final circuit.
Do not assume rail-to-rail input or output operation. Verify that both input signals remain within the common-mode range and that the required output voltage has adequate headroom from the supply rails. Also avoid replacing an 8-DSBGA device directly with LM358N or LM2904; their package dimensions, lead patterns, and PCB land patterns differ even though they belong to related amplifier families.
Информация о соответствии
The available product information does not provide a complete manufacturer compliance declaration for the exact LM358TPX/NOPB suffix. The NOPB ordering designation is a lead-free finish option, but that designation alone is not used here to infer RoHS, REACH, halogen-free, or conflict-minerals status.
