TS524IDT - Low-Noise Quad Op Amp | STMicroelectronics
MPN: TS524IDT ✓ Hoạt độngTS524IDT Tóm tắt
An operational amplifier is a high-gain, differential analog amplifier used to amplify, buffer, filter, or control voltage signals. Quad operational amplifiers combine four amplifiers in one package, reducing board area and simplifying multi-channel designs. The TS524 belongs to the operational-amplifier hierarchy within analog and mixed-signal integrated circuits, where low input noise, low offset voltage, wide bandwidth, and high slew rate determine how faithfully small signals can be amplified.
The TS524's 4.5 nV/√Hz input-noise density is the central feature for audio and precision instrumentation. Its low-noise behavior reduces the amplifier's contribution to the total input-referred noise, helping preserve small signals in microphone, line, and measurement front ends. A 15 MHz gain-bandwidth product supports wider signal bandwidth, while the 7 V/µs slew rate enables faster output transitions than lower-bandwidth general-purpose amplifiers.
The device also offers a low maximum input offset voltage of 950 µV, which helps reduce output error when the amplifier is used with high closed-loop gain. Its output stage supports large output excursions, and its low distortion specification is 0.002%. Together, these characteristics make the TS524 suitable for balanced audio channels, active filters, line-level signal conditioning, and precision analog signal chains operating from low-noise sources.
Typical uses include four-channel audio preamplification, microphone and line-input conditioning, active crossover or equalization networks, and instrumentation requiring consistent low-noise amplification. Because all four amplifiers are integrated in one package, channel matching and board-space savings are additional practical benefits for multichannel analog designs.
Designers should verify the supply-voltage range, input common-mode range, output swing, and stability requirements in the STMicroelectronics manufacturer datasheet before finalizing the analog front end. Decoupling capacitors should be placed close to the supply pins, and sensitive input routes should be kept short to minimize board-level interference and added noise.
This page organizes the verified TS524IDT specifications, source links, application guidance, and replacement analysis into an engineering-focused reference. It also highlights the device's 4.5 nV/√Hz noise, 15 MHz bandwidth, 7 V/µs slew rate, 950 µV maximum offset voltage, and 14-pin SOIC implementation for faster component evaluation.
Bộ thay thế dễ dàng lắp đặt cho TS524IDT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với TS524IDT (cùng hình factor và footprint) — khác nhau ở Package, Slew Rate, Amplifier Type, Mounting Type, Number of Amplifiers.
TS524IN
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Xem tài liệu →TS524IDT Tỷ lệ tối đa & tính chất điện
| Amplifier Type | Quad operational amplifier |
| Number of Amplifiers | 4 circuits |
| Input Noise Density | 4.5 nV/√Hz |
| Maximum Input Offset Voltage | 950 µV |
| Gain-Bandwidth Product | 15 MHz |
| Slew Rate | 7 V/µs |
| Maximum Distortion | 0.002% |
| ESD Internal Protection | 2 kV |
| Điện áp cung cấp | 18 V |
| Hộp | 14-pin SOIC |
| Architecture | Monolithic |
| Macromodel | Included |
| Application | Audio signal amplification |
Hướng dẫn cấu hình chân TS524IDT 14-pin soic
Cấu hình chân cho TS524IDT (14-pin soic gói). Thành phần số hiệu này có chân đầu vào, đầu ra và nguồn cung cấp. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết cấu hình chân bù, bù trừ và chân kích hoạt. Hoàn hảo cho điều kiện tín hiệu và mạch khuếch đại.
Không có dữ liệu chân cụ thể sẵn có cho TS524IDT.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
TS524IDT phù hợp cho 6 Áp dụngs: Low-Noise Audio Preamplifier, Microphone and Line-Input Conditioning, Active Equalization and Crossover Filters, Precision Instrumentation Signal Chain, Analog Sensor Interface, Test and Measurement Buffering.
Low-Noise Audio Preamplifier
The TS524IDT fits four-channel audio preamplification because each amplifier combines 4.5 nV/√Hz input-noise density with a 15 MHz gain-bandwidth product and 7 V/µs slew rate. Place the device downstream of microphone or line-level sources, then use the appropriate gain and feedback network for each channel. The low noise reduces amplifier-added hiss in quiet passages, while the high slew rate preserves large transient edges. Confirm the source impedance, common-mode range, output load, and supply limits in the manufacturer datasheet before setting the closed-loop gain.
Được đề xuất
Microphone and Line-Input Conditioning
The TS524IDT is appropriate for conditioning weak microphone or line-level signals where amplifier noise must remain low relative to the source. Its 4.5 nV/√Hz noise density and 950 µV maximum input offset voltage help minimize added signal error, while the four-amplifier configuration supports multiple balanced or unbalanced channels in one package. Use short input traces, guard routing where practical, and stable reference grounding to avoid converting PCB leakage or interference into audible noise.
Được đề xuất
Active Equalization and Crossover Filters
The TS524IDT can implement active equalization, crossover, or shelving-filter stages where several channels require similar low-noise amplification. Its 15 MHz gain-bandwidth product supports a broad operating range for audio-frequency networks, and the 7 V/µs slew rate reduces distortion risk on fast signal transitions. Each amplifier must remain stable at the selected closed-loop gain, so derive compensation and feedback values from the manufacturer guidance rather than assuming the bandwidth rating alone guarantees stability.
Được đề xuất
Precision Instrumentation Signal Chain
For instrumentation buffers and low-level analog measurement chains, the TS524IDT combines a 950 µV maximum input offset voltage with 4.5 nV/√Hz input-noise density. The offset limit helps control DC error at higher closed-loop gains, while the low noise preserves weak sensor signals. The 15 MHz gain-bandwidth product provides more headroom than a narrow-band audio stage. Check input bias current, offset drift, common-mode range, and output capability for the exact operating conditions before finalizing the circuit.
Được đề xuất
Analog Sensor Interface
The TS524IDT is suitable as a quad interface amplifier for low-noise sensor outputs when four channels can share the same supply and operating range. Its 4.5 nV/√Hz input-noise density limits amplifier-added noise, and the 7 V/µs slew rate supports higher-bandwidth sensor signals. The key design tradeoff is that low noise does not eliminate errors caused by source impedance, bias current, or offset. Review the signal amplitude, sensor impedance, grounding strategy, and filter requirements before choosing the gain and feedback network.
Được đề xuất
Test and Measurement Buffering
The TS524IDT can serve as a low-noise buffer or gain stage in test and measurement equipment where four buffered outputs share a common package. The 4.5 nV/√Hz input-noise density supports measurement of small voltages, and the 15 MHz gain-bandwidth product provides bandwidth for higher-frequency signal paths. Care is required when driving capacitive loads or operating near output limits. Confirm the output-swing and stability characteristics in the manufacturer datasheet and keep sensitive analog routing away from switching nodes and fast digital lines.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TS524IDT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | TS524IN |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Package | 14-pin SOIC | 14-pin SOIC - identical |
| Number of Amplifiers | 4 circuits | 4 circuits |
| Input Noise Density | 4.5 nV/√Hz | 4.5 nV/√Hz |
| Maximum Input Offset Voltage | 950 µV | 950 µV |
| Gain-Bandwidth Product | 15 MHz | 15 MHz |
| Slew Rate | 7 V/µs | 7 V/µs |
| Maximum Distortion | 0.002% | 0.002% |
| ESD Internal Protection | 2 kV | 2 kV |
| Supply Voltage | 18 V | 18 V |
Bảo phân biệt quan trọng
- Four low-noise amplifiers in one 14-pin SOIC (vsTS524IN)
- Audio-focused noise and dynamic performance (vsTS524IN)
- Established same-package sourcing path (vsTS524IN)
Ghi chú thiết kế
Route each non-inverting input directly to its source with a short, guarded trace and keep the inverting-input feedback loop compact. High-gain amplifier layouts are sensitive to parasitic capacitance and leakage, so avoid placing sensitive input nodes beneath switching nodes, noisy clocks, or inductor connections. Connect the bypass capacitors close to the supply pins and use a quiet ground-return path to reduce channel-to-channel coupling.
Do not treat the 15 MHz gain-bandwidth product as a guarantee of stability at every gain. Select the feedback topology and compensation network using the manufacturer guidance for the intended closed-loop gain, and verify capacitive-load behavior with the actual source and load. Also check input common-mode voltage, output swing, and supply limits before operating near the audio signal excursions expected in the finished circuit.
Keep the four channels close to their source and destination components so that each input trace forms a small loop. Use a continuous ground plane under the device, place supply-decoupling capacitors at the pins, and maintain separation from switching-regulator outputs and high-current power paths. If the amplifier handles microphone-level signals, pay particular attention to shield grounding, connector return paths, and chassis-versus-board grounding strategy.
Calculate amplifier dissipation from the actual output swing rather than the full supply span, especially when operating near the output range limit. The TS524 is an analog amplifier rather than a switching regulator, so its efficiency is determined mainly by quiescent current and the voltage dropped across the output stage. Use the exact supply, load, and output-voltage conditions from the manufacturer data to assess thermal margin in the enclosure.
Thông tin tuân thủ
The available component records do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is not applicable to this general-purpose analog operational amplifier.