TLV2186IDSGT vs MAX4175BKEUK
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| Category | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Manufacturer | Texas Instruments | Maxim Integrated |
| Description | LOW POWER, RAIL-TO-RAIL INPUT AN | GAINAMP/OPEN-LOOP OP AMP |
| Package | Cut Tape (CT) | Bulk |
| Series | Zero-Drift | - |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad | SC-74A, SOT-753 |
| Supplier Device Package | 8-WSON (2x2) | SOT-23-5 |
| Current - Supply | 90µA | 355µA |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Number of Circuits | 2 | 1 |
| Voltage - Supply, Single/Dual (±) | 4.5V ~ 24V, ±2.25V ~ 12V | 2.5V ~ 5.5V, ±1.25V ~ 2.75V |
| Current - Output / Channel | 20 mA | 65 mA |
| -3db Bandwidth | - | 330 kHz |
| Amplifier Type | Zero-Drift | General Purpose |
| Current - Input Bias | 100 pA | 50 pA |
| Voltage - Input Offset | 10 µV | 500 µV |
| Slew Rate | 0.35V/µs | 0.7V/µs |
| Gain Bandwidth Product | 750 kHz | 2 MHz |
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1. What is Common Mode Rejection Ratio (CMRR) and why is it important for instrumentation amplifiers?
CMRR indicates an instrumentation amplifier's ability to suppress common mode signals, with higher values being better. A high CMRR is especially important in noisy environments to ensure that the amplifier primarily amplifies differential signals and is not affected by common mode interference.
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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 to achieve high accuracy and low drift in instrumentation amplifiers?
Select an amplifier with low bias current, low offset voltage, and low noise, and reduce the effect of temperature drift on accuracy through a stable power supply and proper temperature compensation circuit design.
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4. How are operational amplifiers used in filter circuits?
Operational amplifiers can be used to build a variety of active filter circuits, including low-pass, high-pass, band-pass, and band-reject filters, which are commonly used for noise removal and signal conditioning in signal processing.
