LMH6572MQ/NOPB vs MT8816APR1
| Part Number |
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| Category | Interface - Analog Switches - Special Purpose | Interface - Analog Switches - Special Purpose |
| Manufacturer | National Semiconductor | Microchip Technology |
| Description | LMH6572 TRIPLE 2:1 VIDEO MULTIPL | IC ANLG SWITCH ARRAY 8X16 44PLCC |
| Package | Tape & Reel (TR) | Tube |
| Series | - | - |
| Features | RGB | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SSOP (0.154\", 3.90mm Width) | 44-LCC (J-Lead) |
| Supplier Device Package | 16-SSOP | 44-PLCC (16.59x16.59) |
| Applications | Video | Telecommunications |
| Number of Channels | 3 | 1 |
| On-State Resistance (Max) | - | 65Ohm |
| Voltage - Supply, Single (V+) | 6V ~ 12V | 4.5V ~ 13.2V |
| Multiplexer/Demultiplexer Circuit | 2:1 | 8:16 |
| Switch Circuit | - | - |
| -3db Bandwidth | 350MHz | 45MHz |
| Voltage - Supply, Dual (V±) | ±3V ~ 6V | ±4.5V |
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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. 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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3. How are analog switches used in audio and video applications?
In audio and video applications, analog switches are used to switch signals between different sources or devices. It is necessary to ensure that the switch has sufficiently low distortion and signal attenuation, and provides smooth switching to avoid introducing noise or interference.
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4. How are the power requirements for analog switches handled?
Analog switches typically require a bipolar power supply (e.g. ±5V) to handle positive and negative analog signals. Single-supply operation may also be required for some applications, and the design needs to ensure that the power supply matches the operating voltage range of the switch.
