TLV2186IDSGT vs INA185A4IDRLT
| Part Number |
|
|
| Category | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
| Manufacturer | Texas Instruments | Texas Instruments |
| Description | LOW POWER, RAIL-TO-RAIL INPUT AN | IC CURR SENSE 1 CIRCUIT SOT563 |
| Package | Cut Tape (CT) | Cut Tape (CT) |
| Series | Zero-Drift | - |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad | SOT-563, SOT-666 |
| Supplier Device Package | 8-WSON (2x2) | SOT-563 |
| Current - Supply | 90µA | 200µA |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Number of Circuits | 2 | 1 |
| Voltage - Supply, Single/Dual (±) | 4.5V ~ 24V, ±2.25V ~ 12V | 2.7V ~ 5.5V |
| Current - Output / Channel | 20 mA | - |
| -3db Bandwidth | - | - |
| Amplifier Type | Zero-Drift | Current Sense |
| Current - Input Bias | 100 pA | 75 µA |
| Voltage - Input Offset | 10 µV | 25 µV |
| Slew Rate | 0.35V/µs | 2V/µs |
| Gain Bandwidth Product | 750 kHz | 105 kHz |
-
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.
-
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.
-
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.
-
4. What is an operational amplifier and how does it work?
An operational amplifier (Op Amp) is a high-gain voltage amplifier with differential input and single-ended output, which is commonly used for analog signal processing functions such as amplification, filtering, integration, and differentiation.
