Name: ZDT694TA Discrete Semiconductor Products
Brand: Diodes Incorporated
SKU: ZDT694TR-ND
Availability: InStock

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Introduction

The ZDT694TA is an array of N-channel Junction Field Effect Transistors (JFETs) designed specifically for applications where a switched differential input is desired. The ability to switch the differential input permits the ZDT694TA to be utilized in a wide range of applications involving variable gain amplifiers, logarithmic converters, and multiplexers. This document will explore the various applications and explain the basic working principles of the ZDT694TA.

Applications

The numerous applications of the ZDT694TA allow this array to be used in a number of different circuits, some of these include:* Switched Differential Instrumentation Amplifiers: The ZDT694TA can be used in these amplifiers for varying gain or linearizing curves by changing the differential input.* Logarithmic Converters: ZDT694TA can convert an input voltage to a logarithmic output voltage. The array can switch the input voltage in order to map different portions of the input voltage onto different outputs.* Multiplexers: The differential input of the ZDT694TA can be used to multiplex multiple channels onto a single channel.

Working Principle

The ZDT694TA is an array of N-channel junction field effect transistors (JFETs), allowing it to have a differential input. This differential input allows the ZDT694TA to be used for many applications. When an input voltage is applied to the gate of one of the JFETs, an electric field is created. This electric field will draw holes from the N-channel through to the P-channel, which acts as a channel for current flow between the gate and the source. The amount of current that flows is dependent on the voltage applied to the gate.As the voltage at the gate changes, the current through the JFET changes. This change in current can be used to alter the gain of an amplifier, linearize a signal, or multiplex channels onto a single channel.

Conclusion

The ZDT694TA array is an excellent example of the versatility of N-channel junction field effect transistors. The differential input allows the array to be used in a variety of applications, such as variable gain amplifiers, logarithmic converters, and multiplexers. The basic working principle of the ZDT694TA involves the creation of an electric field at the gates of the JFETs, which changes the current flow through the device in response to the applied voltage.

ZDT694TA Discrete Semiconductor Products
Allicdata Part #:	ZDT694TR-ND
Manufacturer Part#:	ZDT694TA
Price:	$ 0.00
Product Category:	Discrete Semiconductor Products
Manufacturer:	Diodes Incorporated
Short Description:	TRANS 2NPN 120V 0.5A SM8
More Detail:	Bipolar (BJT) Transistor Array 2 NPN (Dual) 120V 5...
DataSheet:	ZDT694TA Datasheet/PDF
Quantity:	1000

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	2 NPN (Dual)
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	120V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 5mA, 400mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	400 @ 200mA, 2V
Power - Max:	2.75W
Frequency - Transition:	130MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOT-223-8
Supplier Device Package:	SM8
Base Part Number:	ZDT694

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