INA185A1IDRLT vs OPA2202IDGKT
| Part Number |
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| Category | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | IC CURR SENSE 1 CIRCUIT SOT563 | IC OPAMP GP 2 CIRCUIT 8VSSOP |
| Package | -Reel® | Tape & Reel (TR) |
| Series | - | - |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SOT-563, SOT-666 | 8-TSSOP, 8-MSOP (0.118\", 3.00mm Width) |
| Supplier Device Package | SOT-563 | 8-VSSOP |
| Current - Supply | 200µA | 580µA (x2 Channels) |
| Output Type | Rail-to-Rail | - |
| Number of Circuits | 1 | 2 |
| Voltage - Supply, Single/Dual (±) | 2.7V ~ 5.5V | 4.5V ~ 36V, ±2.25V ~ 18V |
| Current - Output / Channel | - | 35 mA |
| -3db Bandwidth | - | - |
| Amplifier Type | Current Sense | General Purpose |
| Current - Input Bias | 75 µA | 250 pA |
| Voltage - Input Offset | 100 µV | 20 µV |
| Slew Rate | 2V/µs | 0.35V/µs |
| Gain Bandwidth Product | 350 kHz | 1 MHz |
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1. How do instrumentation amplifiers handle sensor signals?
Instrumentation amplifiers are used to extract low-level signals from sensors (e.g. thermocouples, pressure sensors) to provide high-precision amplification, and are particularly suited to applications that require accurate reading and amplification of weak signals, such as medical and industrial monitoring.
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2. How is the noise performance of instrumentation amplifiers optimized?
Select low-noise amplifiers in your design and use shielding, filters, and precise power management to minimize external noise. High-quality resistors should be used wherever possible and PCB layout should be optimized to reduce noise coupling.
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3. What are the main application scenarios of Op Amps?
Operational amplifiers are widely used in signal conditioning, voltage follower, filter, comparator, integrator, differentiator, precision level shifter and other circuits, which are widely used in consumer electronics, industrial automation, and instrumentation.
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4. What is a rail-to-rail operational amplifier and what are its advantages?
Rail-to-rail op amps are capable of extending the output voltage range to the limit of the supply voltage (i.e., the “rail”), allowing them to handle large dynamic range signals even at low supply voltages, making them particularly suitable for low-voltage power supply systems and portable devices.
