MAX311EWN+ vs MT8814AP1
| Part Number |
|
|
| Category | Interface - Analog Switches - Special Purpose | Interface - Analog Switches - Special Purpose |
| Manufacturer | Maxim Integrated | Microsemi Corporation |
| Description | IC VIDEO MULTIPLEXER 4X1 18SOIC | IC ANLG SWITCH ARRAY 8X12 44PLCC |
| Package | Tape & Reel (TR) | 44-LCC |
| Series | - | - |
| Features | Break-Before-Make | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | - |
| Package / Case | 18-SOIC (0.295\", 7.50mm Width) | 44-LCC |
| Supplier Device Package | 18-SOIC | 44-PLCC |
| Applications | Video | Telecommunications |
| Number of Channels | 2 | 1 |
| On-State Resistance (Max) | 250Ohm | 65 Ohm |
| Voltage - Supply, Single (V+) | 9V ~ 36V | 4.5 V ~ 13.2 V |
| Multiplexer/Demultiplexer Circuit | 4:1 | 8:12 |
| Switch Circuit | - | - |
| -3db Bandwidth | - | 45MHz |
| Voltage - Supply, Dual (V±) | ±4.5V ~ 18V | ±4.5 V |
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1. What is an analog switch and how does it work?
An analog switch is an electronic component that is capable of selecting, switching, or disconnecting in an analog signal path. It switches channels by means of a control signal (usually digital) so that analog signals can be transferred from one path to another.
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2. How does the on-resistance and switching speed of an analog switch affect performance?
On-resistance affects the signal transmission in the switching path, and too high an on-resistance may lead to signal degradation. The switching speed determines the response time of signal switching, and a faster switching speed is suitable for high frequency or fast switching scenarios.
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3. What are the advantages of analog switches over relays?
Compared to mechanical relays, analog switches have no mechanical moving parts and offer faster switching speeds, longer lifetimes, lower power consumption, and smaller sizes. At the same time, analog switches have lower distortion, making them suitable for high-precision signal switching.
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4. What are the electrical characteristics of special-purpose analog switches that I should be concerned about?
Electrical characteristics of special-purpose analog switches include high-voltage handling capability, wide bandwidth, low capacitance, and low leakage current. Different applications have different requirements for these characteristics, for example, high speed data communications require a wide bandwidth, while medical applications may require low leakage current and low distortion.
