741X163472JPC8

Number of Pins:	16
Height - Seated (Max):	0.022" (0.55mm)
Size / Dimension:	0.156" L x 0.063" W (3.95mm x 1.60mm)
Supplier Device Package:	--
Package / Case:	1506, Convex, Long Side Terminals
Mounting Type:	Surface Mount
Applications:	--
Operating Temperature:	-55°C ~ 125°C
Temperature Coefficient:	±200ppm/°C
Power Per Element:	62.5mW
Series:	741
Resistor-Ratio-Drift:	--
Resistor Matching Ratio:	--
Number of Resistors:	8
Tolerance:	±5%
Resistance (Ohms):	4.7k
Circuit Type:	Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Resistor Networks, Arrays

Resistor networks, also known as resistor arrays, are usually used in circuits where the main purpose of the circuit is to apply a precise amount of voltage, current, and resistance across multiple nodes. This is especially useful in applications such as audio signal processing, instrumentation, and telecommunications. A 741X163472JPC8 resistor network is an 8-bit resistor network with programmable logic, specifically designed for use in such applications.

Working Principle

At the centre of the 741X163472JPC8 resistor network is a logic or semiconductor chip consisting of eight transistors. These transistors are each connected to a different external lead, and a conductor that passes through the chip. By changing the values of the transistors, the logic inside the chip can create a precise voltage and current between any of its eight leads. The voltage and current between any two leads is generated by adding the voltage drops across the eight transistors inside the chip. To apply a specific combination of voltage and current to the chip\'s leads, the user can selectively activate each of the eight transistors. This is done by programming the logic of the chip with a specific combination of logic states. The chip can also be programmed to store a single logic state, such as a logic high or low, for each of its leads. Included in the logic is a power-on reset, which automatically sets all of the transistors to a logic low state. This reset ensures that the chip does not draw more power than is needed, and prevents problems with “latching”, due to the unintentional keeping of a certain combination of logic states.

Application Fields

The 741X163472JPC8 resistor network is suitable for a wide range of applications. For example, it can be used as a voltage divider for measuring voltages in multiple stages in audio signal processing circuits. By programming the logic within the chip, different resistor values can be selected for each separate stage, allowing for precise voltage control. The 741X163472JPC8 resistor network can also be used in active filter circuits, such as for medical diagnostics and instrumentation. By connecting a series of resistors, it is possible to create different types of filters and attenuators for controlling frequency response and gain. The chip also offers a precise impedance matching solution for communications and telecommunication systems, allowing for a better transmission of data over telecommunications lines. By setting the appropriate transistors to a logic high state, an exact match can be achieved between input and output impedances. Lastly, the chip can also be used in bridge circuits for measuring power, voltage, and current capabilities in power electronic applications, such as in power supplies and active current sensing devices.

Conclusion

In conclusion, the 741X163472JPC8 resistor network is a versatile device that can provide precise control of both current and voltage for a range of applications. It is easy to programme, and features a power-on reset feature to prevent issues with latching. Additionally, it can be used in multiple fields, such as audio signal processing, active filter circuits, impedance matching, and bridge circuits.

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