
FSA1259K8X Integrated Circuits (ICs) |
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Allicdata Part #: | FSA1259K8XTR-ND |
Manufacturer Part#: |
FSA1259K8X |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC SWITCH DUAL SPST US8 |
More Detail: | 2 Circuit IC Switch 1:1 850 mOhm US8 |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Switch Time (Ton, Toff) (Max): | 7.5ns, 11ns |
Base Part Number: | FSA1259 |
Supplier Device Package: | US8 |
Package / Case: | 8-VFSOP (0.091", 2.30mm Width) |
Operating Temperature: | -40°C ~ 85°C (TA) |
Crosstalk: | -73dB @ 1MHz |
Current - Leakage (IS(off)) (Max): | 10nA |
Channel Capacitance (CS(off), CD(off)): | 21pF |
Charge Injection: | 15pC |
-3db Bandwidth: | 240MHz |
Series: | -- |
Voltage - Supply, Dual (V±): | -- |
Voltage - Supply, Single (V+): | 1.65 V ~ 5.5 V |
Channel-to-Channel Matching (ΔRon): | 50 mOhm |
On-State Resistance (Max): | 850 mOhm |
Number of Circuits: | 2 |
Multiplexer/Demultiplexer Circuit: | 1:1 |
Switch Circuit: | SPST - NO |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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FSA1259K8X Application Field and Working Principle
Analog switches, multiplexers, and demultiplexers are devices which enable multiple input signals to be connected to a single output in a variety of ways. The FSA1259K8X is an example of one such device.
The FSA1259K8X is a low power, single-pole eight-throw (SP8T) analog switch designed to provide a wide range of flexible switching applications from the low-voltage rail up to 5.5 volts on the high voltage rail. It has eight selectable analog inputs and one common output, and provides very low on-resistance. With this, it is well-suited for applications where high resistance and low insertion loss are critical. The device is also highly integrated, with four SP8T switches integrated in a single package.
The FSA1259K8X has four channels of SP8T analog switch, which enables it to operate in two modes. The first is single-pole multiplexing mode, where a single source is multiplexed to each of the eight outputs. The second is single-pole demultiplexing mode, where a single source is demultiplexed to each of the eight outputs. In either mode, the switch can be controlled via a dual-supply CMOS logic, allowing for high switching speed and low voltage operation.
The FSA1259K8X is designed to be used in a wide variety of applications, from audio and video signal processing to power control and instrumentation. It is particularly well-suited for use in automotive audio systems, where its low-voltage operation allows for powering audio systems with up to 5.5 volts, and its high-integration allows for space-efficient installations.
The working principle of the FSA1259K8X is quite simple. It operates by utilizing transistors to electrically connect the input and output signals in a variety of ways. There are two sets of transistors which control the activation of the switch – one set controls the “on” state of the switch, while the other determines the “off” state. The activation of the transistors is determined by logic signals, which can be set via CMOS logic.
The FSA1259K8X is a very versatile analog switching device, and is suitable for a wide range of applications. Its low-voltage operation, high-speed operation and high-integration enable it to be used in a variety of situations, from audio and video signal processing to power control and instrumentation. Its dual-supply CMOS logic design also makes it well-suited for use in automotive audio systems, where its low-voltage operation can power audio systems with up to 5.5 volts.
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