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This circuit consists of two independent, high-gain, operational amplifiers that have frequency compensation implemented internally. The circuit is designed specifically for automotive and industrial control systems. It operates from a single power supply over a wide range of voltages. The low power supply drain is independent of the magnitude of the power supply voltage.
Application areas include transducer amplifiers, DC gain blocks, and all the conventional op-amp circuits which can now be more easily implemented in single-power supply systems. For example, these circuits can be directly supplied from standard 5 V which is used in logic systems and which easily provides the required interface electronics without requiring any additional power supply.
In linear mode, the input common-mode voltage range includes ground and the output voltage can also swing to ground even though it is operated from a single-power supply.
Key Features
- Frequency compensation implemented internally
- Large DC voltage gain: 100 dB
- Wide bandwidth (unity gain: 1.1 MHz temperature compensated)
- Very low-supply current per operator (500 µA)
- Low input bias current: 20 nA (temperature compensated)
- Low input offset current: 2 nA
- Input common-mode voltage range includes ground
- Differential input voltage range equal to the power supply voltage
- Large output voltage swing 0 V to VCC - 1.5 V
- Internal ESD protection: 2 kV HBM, 200 V MM
资源
技术文档
| Description | Version | Size | |
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DS3549: Low-power dual operational amplifier | 8.0 | 462 KB |
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How to Extend the Performance of a Low Voltage Precision Op Amp to a High Voltage High Side Current Sensing Application | 1.0 | 473 KB |
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UM0065: MACROMODELS USER MANUAL FOR STANDARD LINEAR PRODUCTS | 1.0 | 120 KB |
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DT0073: Optical heart rate monitoring – OHRM based on X-NUCLEO-IKA01A1 expansion board | 1.0 | 1 MB |
HW Model, CAD Libraries & SVD
| Description | Version | Size | |
|---|---|---|---|
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ST library for all op amps and comparators SPICE models | 4.0 | 51 KB |
演示和培训资料
| Description | Version | Size | |
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Health and Wellness Mobility Cloud computing | 1 MB | |
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ST Analog Products for Automotive applications | 11.2017 | 2 MB |
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ST offering in Wearable - Analog and Mixed Signal Portfolio | 3.0 | 1 MB |
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What does precision mean for an op amp? | 1 MB |
出版刊物和宣传资料
| Description | Version | Size | |
|---|---|---|---|
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ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance. | 1.0 | 818 KB |
| Description | Version | Size | |
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Operational amplifiers: performance, robust and advanced technology | 1.0 | 3 MB |
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Products and solutions for Smart industry | 3.0 | 3 MB |
样片和购买
| 型号 | Package | Packing Type | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | Marketing Status | Unit Price (US$) * | Quantity | ECCN (US) | Country of Origin | More info | Order from ST | Order from Distributors |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LM2904WHYST | MiniSO-8 | Tape And Reel | -40 | 150 | Active : Product is in volume production | 0.767 | 1000 | EAR99 | PHILIPPINES | MORE INFO | 获取样片 Add to cart | DISTRIBUTOR AVAILABILITY |
| LM2904WHYDT | SO-8 | Tape And Reel | -40 | 150 | Active : Product is in volume production | 0.731 | 1000 | EAR99 | MOROCCO | MORE INFO | 获取样片 Add to cart | DISTRIBUTOR AVAILABILITY |
| LM2904WHDT | SO-8 | Tape And Reel | -40 | 150 | Active : Product is in volume production | 0.609 | 1000 | EAR99 | MOROCCO | MORE INFO | 获取样片 Add to cart | DISTRIBUTOR AVAILABILITY |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
质量和可靠性
| 型号 | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| LM2904WHYST | Active | MiniSO-8 | Automotive | Ecopack3 | |
| LM2904WHYDT | Active | SO-8 | Automotive | Ecopack3 |
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| LM2904WHDT | Active | SO-8 | Industrial | Ecopack3 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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