TS925ID - Quad 4MHz Rail-to-Rail Op Amp | STMicroelectronics
MPN： TS925ID ✓ 啟用中TS925ID 概覽
An operational amplifier is an analog signal-processing IC that uses high open-loop gain to amplify voltage differences between two inputs. The TS925ID belongs to the operational-amplifier hierarchy and combines four amplifiers in one package. Rail-to-rail input behavior supports operation near the positive and negative supply rails, while rail-to-rail output behavior provides greater output-voltage range than conventional amplifiers constrained by the supply rails.
The principal features include 9 nV/Hz input-voltage noise, low distortion, 4 MHz bandwidth, and 1.3 V/us slew rate. The 80 mA output-current capability distinguishes the TS925ID from lower-current general-purpose op amps, making it useful where several amplifiers must drive heavier resistive or capacitive loads. Its quad configuration also reduces board area by integrating four amplifier channels.
The TS925ID combines bipolar input and CMOS output stages, identified in technical listings as a BiCMOS amplifier. This architecture supports rail-to-rail operation while retaining low-noise bipolar input characteristics. Because the four channels share a common package, careful consideration of power-supply routing, grounding, output isolation, and thermal behavior is required in multi-channel analog systems.
Typical uses include audio output stages, active filters, sensor-conditioning circuits, buffer amplifiers, communications receivers, and industrial control systems. Its quad organization is particularly useful when a design needs four closely related analog channels. The adjustable phantom-ground feature can support signal references in applications requiring an artificial ground, while the standby mode can reduce power consumption when the amplifier is not needed.
Designers should use the manufacturer datasheet to verify the complete electrical limits, pin configuration, output-current conditions, stability requirements, and recommended external components. Decoupling capacitors should be placed close to the supply pins, and outputs that drive capacitive loads may require isolation resistors or other stability measures. Because the available verified specification excerpt does not provide the complete pin table, the package diagram should not be used as a substitute for the official datasheet.
This page consolidates the verified TS925ID operating range, bandwidth, slew rate, noise, output-current, package, pricing, and sourcing information into an engineering-focused reference. It also distinguishes verified same-package alternatives from parts that require package or electrical revalidation, helping designers make a safer replacement decision before committing a new PCB layout.
直接替換替代品，適用於 TS925ID — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： TS925ID （相同外形與佔位） — 差異在於 Amplifier Type, Number of Amplifiers, Package.
TS925IN
✅ 直接替換📋 參考替代品（不在目錄中）
TS925ID 最大額定值與電氣特性
| Number of Amplifiers | 4 amplifiers |
| Number of Circuits | 4 circuits |
| Amplifier Type | General-purpose operational amplifier |
| Input Common-Mode Range | Rail-to-rail |
| Output Swing | Rail-to-rail |
| Gain-Bandwidth Product | 4 MHz |
| Slew Rate | 1.3 V/us |
| Supply Voltage Range | 2.7 V to 12 V |
| Output Current | 80 mA |
| Load-Driving Capability | Up to 32 loads |
| Input Voltage Noise Density | 9 nV/Hz |
| Input Offset Voltage | 5 mV maximum |
| Process Technology | BiCMOS |
| 封裝 | 16-pin SOIC |
| 安裝類型 | Surface mount |
| Special Features | Standby mode and adjustable phantom ground |
TS925ID 16-pin soic 腳位配置指南
TS925ID（16-pin soic 封裝）的腳位配置。 此類比元件具有輸入、輸出與電源腳位。偏移歸零、補償與致能腳位配置請參閱製造商資料表。適用於訊號調理與放大器電路。
無詳細腳位定義資料： TS925ID.
請參閱 資料表 以查看完整腳位配置。
典型應用
TS925ID 適用於 6 應用s: Stereo Audio Output Buffering, Sensor Signal Conditioning, Active Audio Filters, Communications Receiver Signal Path, Industrial Control and Data Acquisition, Test and Measurement Buffer Stage.
Stereo Audio Output Buffering
The TS925ID fits stereo output and auxiliary audio channels because it integrates four amplifiers, operates from 2.7 V to 12 V, and provides 4 MHz bandwidth with 1.3 V/us slew rate. Two channels can buffer left and right signals while the remaining channels support headphone or line-output stages, gain-control functions, or monitoring paths. Rail-to-rail input and output behavior is useful when signals approach the supply limits. Its documented 80 mA output capability is also more substantial than that of many general-purpose op amps, although the designer must verify the load condition and output stability in the official characteristic curves.
推薦
Sensor Signal Conditioning
TS925ID is appropriate for multi-channel sensor conditioning because four rail-to-rail amplifiers can process outputs from sensors operating near the positive or negative supply rail. A 9 nV/Hz input-noise figure and 4 MHz bandwidth provide useful headroom for low-level conditioning stages, while the adjustable phantom-ground function can establish a common reference for sensor outputs. The 2.7 V minimum supply supports low-power systems. Design work should still account for input offset voltage, common-mode behavior under the selected load, and channel-to-channel matching from the full manufacturer datasheet.
推薦
Active Audio Filters
The TS925ID can implement active filtering in audio and communication front ends because its 4 MHz gain-bandwidth product and 1.3 V/us slew rate provide response well above many audible filter sections. Two amplifier sections can build a second-order state-variable filter, while the other sections can provide input and output buffering. Rail-to-rail operation increases usable signal swing on low-voltage supplies, and the 80 mA output-current capability can support the next stage more effectively than a low-current precision amplifier. Component tolerances, noise gain, and loop stability should be checked against the manufacturer guidance.
推薦
Communications Receiver Signal Path
TS925ID is suitable for communications receiver buffering, threshold conditioning, and gain stages where a 4 MHz bandwidth quad amplifier can consolidate multiple channels. Rail-to-rail input and output stages accommodate signals spanning much of the 2.7 V to 12 V supply range, while 1.3 V/us slew rate preserves edge fidelity in moderate-bandwidth paths. The 9 nV/Hz noise specification is valuable when the signal source has limited amplitude. In RF-adjacent circuitry, designers should preserve clean grounding, control supply-implied noise, and avoid assuming that a general-purpose amplifier replaces a dedicated low-noise RF device.
推薦
Industrial Control and Data Acquisition
The TS925ID can serve as the analog front end of an industrial controller by combining four amplifiers for sensor amplification, filtering, level translation, and actuator-signal conditioning. Its 2.7 V to 12 V operating range fits both compact control electronics and conventional industrial rails, while the 80 mA output-current capability can drive moderate loads. Standby mode is useful for multichannel systems that need to disable selected activity, although the available excerpt does not define individual-channel shutdown behavior. Robust grounding, supply bypassing, and protection against industrial transients remain essential at the board level.
推薦
Test and Measurement Buffer Stage
TS925ID is useful in test and measurement front ends where several low-to-moderate-frequency signals require buffering before conversion or comparison. The four amplifier channels reduce board area, and 4 MHz bandwidth is sufficient for many sensor, audio, and general-purpose instrumentation signals. Rail-to-rail operation helps preserve dynamic range when the signal approaches the available supply range. The quad arrangement can provide input buffers, active gain stages, and output isolation without using four separate packages. Engineers should verify input capacitance, output loading, and channel behavior directly in the manufacturer documentation before attaching long cables or high-capacitance sources.
推薦
推薦產品摘要
工程參考資料，適用於 TS925ID — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | TS925IN |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Package | SOIC-16 | SOIC-16 |
| Number of Amplifiers | 4 amplifiers | 4 amplifiers |
| Input Common-Mode Range | Rail-to-rail | Rail-to-rail |
| Output Swing | Rail-to-rail | Rail-to-rail |
| Gain-Bandwidth Product | 4 MHz | 4 MHz |
| Slew Rate | 1.3 V/us | 1.3 V/us |
| Supply Voltage Range | 2.7 V to 12 V | 2.7 V to 12 V |
| Output Current | 80 mA | 80 mA |
| Input Voltage Noise Density | 9 nV/Hz | 9 nV/Hz |
| Process Technology | BiCMOS | BiCMOS |
| Special Features | Standby mode and adjustable phantom ground | Standby mode and adjustable phantom ground |
主要差異化特點
- Integrated four-channel rail-to-rail amplifier (對比TS924ID)
- Documented high output-current capability (對比LM324D)
- Higher bandwidth and slew-rate positioning (對比TLV1504ID)
設計說明
Do not treat the TS925ID as interchangeable with TS924ID merely because both appear in the same amplifier family. The verified comparison explicitly notes that their key parameters and circuit structures differ. TS925ID provides four amplifier channels, so a replacement must preserve the complete 16-pin SOIC channel arrangement, standby function, phantom-ground connection, supply limits, and output-current capability.
The verified data establishes a 2.7 V to 12 V operating range but does not provide total quiescent current or channel power consumption. Confirm those values in the manufacturer electrical-characteristics table before calculating thermal or battery-life requirements. Place supply bypassing close to the amplifier pins and maintain a low-impedance return path so the quad channels share the supply reference without introducing channel coupling.
Keep the four analog channels physically organized and connect each ground reference through a low-impedance plane rather than a long series path. Separate sensitive input traces from high-current output returns, especially because the TS925ID is specified for output currents up to 80 mA. Use short feedback paths and follow the manufacturer’s stability guidance when a channel drives capacitive loading.
合規資訊
The supplied verified results do not extract RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is not applicable to this general-purpose amplifier unless the manufacturer identifies a specific automotive-qualified order code.