TS902ID - Dual Rail-to-Rail Op Amp with Standby | STMicroelectronics
料号： TS902ID ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TS902ID 概述
An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its two inputs while using negative feedback to set the gain. The TS902ID belongs to the operational-amplifier hierarchy, where a dual amplifier provides two amplifier channels in one package. Rail-to-rail input and output stages allow signals to approach the supply rails, while the standby function reduces supply consumption and places the outputs in a high-impedance state.
Key features include rail-to-rail input and output voltage ranges, a 1.4 MHz gain-bandwidth product, and 10 mV typical input offset voltage. The amplifier supports single- or dual-supply operation from 2.5 V to 16 V according to the available manufacturer information, and its standby current is specified at 0.5 uA. The 14-SO package supports conventional surface-mount assembly and exposes both amplifier channels and the standby control.
The TS902ID uses a CMOS operational-amplifier architecture designed for general-purpose analog signal conditioning. Its low standby current supports portable and instrumented systems that need to reduce consumption when measurements are not active. Rail-to-rail operation is useful when the available signal range is close to the supply voltage, although input common-mode, output swing, noise, and stability conditions still need to be checked against the application.
Typical applications include low-power instrumentation, industrial sensor interfaces, battery-operated measurement equipment, audio and control-signal conditioning, and dual-channel analog systems. The dual-channel configuration can reduce board area when two independent signal paths are required. The standby position is particularly appropriate for systems that periodically disable the amplifier while retaining the device in the circuit.
When laying out a TS902ID design, keep the input and output paths short, provide stable feedback compensation, and bypass the supply pins with suitable ceramic capacitance. Do not assume that standby mode preserves signal accuracy at the moment of switching; verify the timing against the system requirements. The manufacturer datasheet should be used for the complete electrical limits, pin connections, and application recommendations.
This page combines verified manufacturer and distributor references with practical engineering guidance for instrumentation, power-conscious analog design, and drop-in replacement assessment.
直接替换替代料： TS902ID ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： TS902ID （相同外形与封装尺寸） ——差异在于 Package, Amplifier Type, Slew Rate, Supply Voltage Range, Application Category.
快速对比工具——选择替代料号进行并排对比：
TS902IDT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
TS902ID
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →TLV2473AIDR
✅ 直接替换📋 参考替代料（不在目录中）
TLV2474AIDR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCP6002-I/SN
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.15 / 个
查看数据手册 →OPA2134UA/2K5
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.45 / 个
查看数据手册 →TS902ID 最大额定值与电气特性
| Amplifier Type | Dual operational amplifier |
| Channel Count | 2 channels |
| Rail-to-Rail | Input and output |
| Gain-Bandwidth Product | 1.4 MHz |
| Input Offset Voltage | 10 mV |
| Supply Voltage Range | Single or dual operation from 2.5 V to 16 V |
| Standby Current | 0.5 uA |
| Standby Output State | Reduced current consumption and high-impedance outputs |
| 工作温度范围 | -40C to +125C |
| 封装 | SOIC-14 (SO14), surface mount |
| Package Pin Count | 14 pins |
| Architecture | CMOS |
| Application Category | General-purpose instrumentation and signal conditioning |
| Output Impedance in Standby | High impedance |
| Operating Mode | Single-supply or dual-supply operation |
| 安装类型 | Surface mount |
| Manufacturer Product Description | Rail-to-rail CMOS dual operational amplifier with standby position |
| 生命周期状态 | Obsolete product according to manufacturer catalog |
TS902ID 引脚配置
| 引脚 1 | OUT1 — Output of amplifier channel 1 |
| 引脚 2 | -IN1 — Inverting input of amplifier channel 1 |
| 引脚 3 | +IN1 — Non-inverting input of amplifier channel 1 |
| 引脚 4 | V- — Negative supply or ground in single-supply operation |
| 引脚 5 | +IN2 — Non-inverting input of amplifier channel 2 |
| 引脚 6 | -IN2 — Inverting input of amplifier channel 2 |
| 引脚 7 | OUT2 — Output of amplifier channel 2 |
| 引脚 8 | OUT2 — Output of amplifier channel 2, as shown in the manufacturer pin-connection diagram |
| 引脚 9 | STANDBY — Standby control input |
| 引脚 10 | OUT1 — Output of amplifier channel 1, as shown in the manufacturer pin-connection diagram |
| 引脚 11 | NC — Not connected |
| 引脚 12 | NC — Not connected |
| 引脚 13 | NC — Not connected |
| 引脚 14 | V+ — Positive supply input |
典型应用
TS902ID 适用于 7 应用s: Low-Power Instrumentation, Industrial Sensor Signal Conditioning, Battery-Powered Measurement Equipment, Audio and Control Signal Conditioning, Automated Test and Measurement, Portable IoT Sensor Node, Data Acquisition Front End.
Low-Power Instrumentation
The TS902ID suits precision measurement front ends that need two analog channels, rail-to-rail input and output behavior, and a low-power standby state. Its 1.4 MHz gain-bandwidth product supports general-purpose sensor conditioning rather than demanding high-speed video amplification, while the 10 mV typical offset establishes a useful baseline for closed-loop amplifier designs. The 0.5 uA standby current is particularly valuable when the instrument periodically enables acquisition and then disconnects the outputs to reduce system consumption. The designer should verify the input common-mode range at each supply voltage and confirm output settling after standby before beginning a measurement cycle.
推荐
Industrial Sensor Signal Conditioning
The TS902ID can condition outputs from industrial sensors because its rail-to-rail input stage accepts signals near the supply limits and its dual channels can process two related inputs. The 1.4 MHz bandwidth is suitable for common temperature, pressure, and position sensors where interference and offset errors dominate. Its -40C to +125C operating range covers industrial environments, although the verified data does not state automotive qualification. Use the standby control to reduce consumption during idle periods and place suitable input protection and filtering ahead of the amplifier when connected to long sensor wiring.
推荐
Battery-Powered Measurement Equipment
Battery-powered instruments benefit from the TS902ID because it combines dual-channel operation with a 0.5 uA standby current and high-impedance outputs when disabled. The standby position allows the system to preserve a compact board area instead of adding separate analog switches, although those switches may still be required for true input isolation. During active measurement, the 2.5 V minimum supply permits operation from a regulated low-voltage rail, and rail-to-rail I/O improves usable signal range in compact systems. Validate battery-level supply variation, input bias effects, and wake-up timing across the intended operating temperature range.
推荐
Audio and Control Signal Conditioning
The TS902ID can amplify low-level audio or control signals in compact equipment that benefits from rail-to-rail operation on a single supply. Its 1.4 MHz gain-bandwidth product is adequate for general audio and control paths, but the input offset of 10 mV may be significant in precision applications unless offset correction is used. The two amplifier channels can handle stereo or paired control signals with reduced component count. Designers should avoid treating the device as a substitute for a dedicated high-voltage audio amplifier and should confirm output drive, distortion, and stability with the intended load and feedback network.
推荐
Automated Test and Measurement
The dual TS902ID is useful in automated test equipment where two measurement channels can share one package and the instrument may enter standby between tests. Its rail-to-rail output can cover a large portion of the available measurement range, while the 1.4 MHz bandwidth is suitable for moderate-bandwidth sensor and interface signals rather than high-speed sampling systems. The documented standby current reduces standby consumption in portable or intermittently operated fixtures. Validate leakage into the high-impedance outputs, input protection recovery, and channel-to-channel behavior across the complete supply and temperature range.
推荐
Portable IoT Sensor Node
The TS902ID fits a compact IoT sensor node that conditions two analog inputs and can shut down its analog front end between wireless transmissions. Its low 0.5 uA standby current complements the power-saving role of the STM32L152RE or STM8L001J3M3, while the dual SOIC-14 package reduces component count. Rail-to-rail operation is valuable when the sensor signal occupies much of a 2.5 V to 16 V supply range. The design should include input filtering, sensor-specific protection, and verified wake-up timing, because standby mode reduces consumption but does not by itself guarantee immediate acquisition readiness.
推荐
Data Acquisition Front End
The TS902ID can amplify two incoming analog channels in a general-purpose data-acquisition front end when the signal bandwidth is well below the 1.4 MHz gain-bandwidth product. Rail-to-rail inputs improve utilization of low-voltage ADC ranges, while the standby control can reduce power between acquisitions. The 10 mV typical offset must be included in the system’s error budget, and the complete offset and drift specification should be checked for precision measurements. Use short traces, controlled grounding, and appropriate anti-alias filtering, then verify settling time and output isolation when switching between acquisition and standby states.
推荐
推荐产品汇总
工程参考数据： TS902ID ——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 | TS902IDT | TLV2473AIDR | TLV2474AIDR | MCP6002-I/SN | OPA2134UA |
|---|---|---|---|---|---|---|
| Package | SOIC-14 (SO14) | SOIC-14 (SO14) | SOIC-14 (SO14) | SOIC-14 (SO14) | SOIC-14 (SO14) | SOIC-14 (SO14) |
| Brand | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | Microchip Technology | Texas Instruments |
| Amplifier Configuration | Dual | Dual | Dual | Dual | Dual | Dual |
关键差异点
- Explicit low-current standby operation （对比 TLV2473AIDR)
- Broader general-purpose supply operation （对比 MCP6002-I/SN)
- Lower nominal gain-bandwidth product suited to modest-bandwidth conditioning （对比 OPA2134UA)
- Rail-to-rail input and output in the same 14-pin SOIC footprint （对比 NE5532DR)
设计说明
Do not approve a replacement from package compatibility alone. The verified cross-reference supports TLV2473AIDR as a candidate for most TS902ID applications, but the TS902ID includes a specific standby control and 0.5 uA standby-current behavior. Compare standby logic levels, output state, common-mode range, output swing, offset, bandwidth, noise, and stability against the exact operating conditions before releasing the substitution.
Use the standby function to reduce consumption only after checking its logic polarity and startup behavior in the manufacturer datasheet. The documented standby current is 0.5 uA with high-impedance outputs, so downstream circuitry must tolerate released outputs. Add pull resistors where a defined output level is required, and validate wake-up timing before the next conversion or control cycle begins.
Place the TS902ID close to the source and destination of each analog channel to minimize susceptibility to noise and parasitic loading. Route input and feedback traces away from switching nodes and digital clocks, use a continuous ground reference, and place supply-bypass capacitors close to the device. For the SOIC-14 package, preserve the datasheet layout around the supply and standby pins rather than relying only on the schematic connection.
Treat the 1.4 MHz gain-bandwidth product as the key speed constraint when selecting feedback resistors and capacitor values. Higher closed-loop gains reduce bandwidth and can alter stability behavior, while capacitive loading can introduce peaking. Confirm the selected noise gain against the manufacturer recommendations, and evaluate settling time before using the amplifier for time-critical acquisition or control signals.
合规信息
The supplied manufacturer and distributor references do not provide specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. The TS902ID is identified as an obsolete product in the manufacturer catalog.
