Allicdata Part #: | DG445BDY-ND |
Manufacturer Part#: |
DG445BDY |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Vishay Siliconix |
Short Description: | IC SWITCH QUAD SPST 16SOIC |
More Detail: | 4 Circuit IC Switch 1:1 80 Ohm 16-SOIC |
DataSheet: | DG445BDY Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Switch Circuit: | SPST - NO |
Multiplexer/Demultiplexer Circuit: | 1:1 |
Number of Circuits: | 4 |
On-State Resistance (Max): | 80 Ohm |
Channel-to-Channel Matching (ΔRon): | -- |
Voltage - Supply, Single (V+): | 12V |
Voltage - Supply, Dual (V±): | ±15V |
Switch Time (Ton, Toff) (Max): | 300ns, 200ns |
-3db Bandwidth: | -- |
Charge Injection: | 1pC |
Channel Capacitance (CS(off), CD(off)): | 5pF, 5pF |
Current - Leakage (IS(off)) (Max): | 500pA |
Crosstalk: | -95dB @ 100kHz |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 16-SOIC |
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The DG445BDY is an integrated combination of analog switch and multiplexer that can be used to select multiple signals in different applications. Its main circuit is composed by PMOS and NMOS transistors, while the part that connects the multiplexer and the switch has a cross-coupled pair of common-source differential transistors. The device features an excellent On/Off static current ratio (ISC/IW) and fast switch times as low as 5ns.
Because of its good electrical performance, the DG445BDY has been widely used in several applications, such as communication systems, medical instruments, data acquisition systems, digital signal processing, and power control. For example, in communication systems, the multiplexer and the switch of the device can be used to select signals from different sources, like modems and sound cards, for synchronization or for signal enhancement. In medical instruments, two different signals can be multiplexed by the device and then combined in a single output, making the instruments easier to use. In data acquisition systems, the DG445BDY can be very helpful in controlling the data flow between analog and digital sections of the system. Finally, in digital signal processing, the device can be used to select different frequency bands, allowing the processors to process different signals in parallel.
The DG445BDY's working principle is based on an analog switch model and the multiplexers that are connected by a cross-coupled differential transistor. This model allows the device to be used in many applications since it is able to control both the selection and the switch of the different signals. The multiplexers are responsible for selecting the necessary signals, while the switch can be used to stop the data flow and control the adaptation of the signals. The cross-coupled differential transistor also works as an amplifier, allowing the device to increase the signal strength and reduce the noise caused by the selectivity of the multiplexers.
To sum up, the DG445BDY is an integrated combination of analog switch and multiplexer that offers excellent On/Off static current ratio (ISC/IW) and fast switch times. Its functionality is based on an analog switch model and the multiplexers that are connected by a cross-coupled differential transistor, making it suitable for many applications where signals must be selected and adapted. The device is often used in communication systems, medical instruments, data acquisition systems and digital signal processing, where its excellent electrical performance can be very helpful in controlling the data flow between analog and digital sections, synchronizing signals and enhancing signal strength.
The specific data is subject to PDF, and the above content is for reference
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