HA2-5135-7 vs OPA4202ID
| Part Number |
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| Category | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Manufacturer | Harris Corporation | Texas Instruments |
| Description | PRECISION OPERATIONAL AMPLIFIER | IC OPAMP GP 4 CIRCUIT 14SOIC |
| Package | Bulk | Tube |
| Series | - | - |
| Operating Temperature | - | -40°C ~ 105°C (TA) |
| Mounting Type | Through Hole | Surface Mount |
| Package / Case | TO-99-8 Metal Can | 14-SOIC (0.154\", 3.90mm Width) |
| Supplier Device Package | TO-99-8 | 14-SOIC |
| Current - Supply | - | 580µA (x4 Channels) |
| Output Type | - | - |
| Number of Circuits | 1 | 4 |
| Voltage - Supply, Single/Dual (±) | - | 4.5V ~ 36V, ±2.25V ~ 18V |
| Current - Output / Channel | - | 35 mA |
| -3db Bandwidth | - | - |
| Amplifier Type | General Purpose | General Purpose |
| Current - Input Bias | - | 250 pA |
| Voltage - Input Offset | - | 20 µV |
| Slew Rate | - | 0.35V/µs |
| Gain Bandwidth Product | - | 1 MHz |
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1. How to choose the right instrumentation amplifier?
The input common-mode voltage range, gain-bandwidth product, noise performance, power consumption, temperature drift, and common-mode rejection ratio (CMRR) should be considered when selecting an instrumentation amplifier to ensure that it meets the accuracy requirements of a particular application.
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2. 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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3. 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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4. What is Slew Rate and how does it affect op amp performance?
Slew rate is the maximum rate of change of an operational amplifier's output voltage over time. Higher slew rates are good for fast-changing signals and can handle higher frequency inputs, while lower slew rates can cause signal distortion.
