TLV2186IDSGT vs INA185A1IDRLT
| 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) | -Reel® |
| 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 | 100 µV |
| Slew Rate | 0.35V/µs | 2V/µs |
| Gain Bandwidth Product | 750 kHz | 350 kHz |
-
1. 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.
-
2. 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.
-
3. How can I reduce noise in operational amplifier circuits?
Noise can be reduced by selecting low-noise operational amplifiers, optimizing circuit layout, reducing power supply ripple, using appropriate decoupling capacitors, and adding filters where necessary.
-
4. What is a Buffer Amp and what is its function?
A Buffer Amp is an amplifier with a unit gain that is mainly used in voltage follower circuits to provide a high input impedance and a low output impedance to isolate the signal source from the load and prevent signal distortion or attenuation.
