Supplier for DG406DJZ in USA: Specifications, Features, Applications, and Sourcing Guide

 Finding a reliable supplier for DG406DJZ in USA is important for engineers working with analog signal routing, data acquisition, instrumentation, industrial control, communications, and test equipment. The DG406DJZ is a 16-channel CMOS analog multiplexer/demultiplexer that allows a single common signal path to be connected to one of 16 analog channels under digital control.

The DG406 family was originally developed by Maxim/Maxim Integrated and is now associated with Renesas. The DG406DJZ is a 28-lead PDIP version rated for -40°C to +85°C. Renesas currently lists this specific part as obsolete, making specialized sourcing particularly relevant for legacy equipment and existing PCB designs.

 

What Is the DG406DJZ?

The DG406DJZ is a monolithic CMOS analog multiplexer designed to route analog or bidirectional signals between a common terminal and one of sixteen independently selectable signal terminals.

Unlike a digital multiplexer, an analog multiplexer does not simply switch logic 0 and logic 1. Its internal MOSFET switches can conduct analog voltages in either direction, making the device useful for measurement, instrumentation, audio routing, signal conditioning, and data acquisition.

The DG406 contains an array of 16 analog switches, a CMOS/TTL-compatible digital decoding circuit, level-shifting circuitry, and an enable input. The sixteen switches are bilateral and are designed to handle AC or bidirectional analog signals.

The DG406DJZ operates from a 5 V to 34 V single supply or approximately ±5 V to ±20 V dual supplies, giving designers considerably more voltage flexibility than many low-voltage analog switches. Renesas lists a maximum signal-related voltage range of 44 V and notes that the device can control 30 V peak-to-peak signals when operated from ±15 V supplies.

DG406DJZ Key Specifications

Parameter	DG406DJZ
Device Type	CMOS Analog Multiplexer
Configuration	16:1
Channels	16
Package	28-lead PDIP
Package Code	EKW / E28.6
Temperature Range	-40°C to +85°C
Supply Voltage	5 V to 34 V single supply
Dual Supply	±5 V to ±20 V
RDS(ON)	Approximately 50 Ω in current Renesas specifications
Typical Function	Analog MUX/DEMUX
TON	Approximately 150 ns
TOFF	Approximately 70 ns
Charge Injection	Approximately 40 pC
Leakage	Approximately 0.04 nA
Lead-Free	Yes
Carrier	Tube
Product Status	Obsolete

The exact electrical limits should always be checked against the applicable manufacturer datasheet and production revision. Renesas currently lists the DG406DJZ as an obsolete device and identifies its package as a 28-lead PDIP with a -40°C to +85°C operating range.

Major Features of DG406DJZ

16-Channel Analog Multiplexing

The central advantage of the DG406DJZ is its 16-channel single-ended analog multiplexer architecture.

Four address inputs select one of sixteen analog channels. This allows a host controller or digital logic circuit to select different analog signals without requiring sixteen separate signal-processing paths.

For example, a measurement system with sixteen sensors can use one ADC input together with the DG406 to sequentially measure each sensor.

This approach reduces the number of expensive downstream components and can significantly simplify system architecture.

Bilateral Analog Switching

The internal switches are bilateral. Therefore, the signal can generally travel in either direction through the selected switch.

This makes the DG406 useful not only for connecting multiple inputs to one measurement device, but also for routing signals between different analog circuits.

The manufacturer specifically describes the switches as suitable for AC and bidirectional signals.

Wide Analog Signal Range

The DG406 family was designed for higher-voltage analog switching than many modern low-voltage CMOS multiplexers.

The device can operate from a single supply between 5 V and 34 V, or from dual supplies in the approximately ±5 V to ±20 V range.

This makes it useful in industrial instrumentation and signal-conditioning circuits where the analog signal amplitude may exceed the range supported by modern 3.3 V or 5 V analog switches.

TTL and CMOS-Compatible Control

The digital control inputs are compatible with common TTL and CMOS logic levels.

This means the multiplexer can be controlled directly by a microprocessor, microcontroller, DSP, FPGA, or discrete digital logic in many designs.

High-Voltage Silicon-Gate CMOS Technology

The DG406 family uses a high-voltage silicon-gate CMOS process. Renesas notes that an epitaxial layer helps prevent the latch-up associated with older CMOS technologies.

This architecture helped the DG406 achieve a combination of wide analog signal capability, relatively low power consumption, and reliable switching performance.

Applications of DG406DJZ

Data Acquisition Systems

One of the most important applications for the DG406DJZ is data acquisition.

A data acquisition system may need to measure many analog signals while using only one or a small number of ADC channels.

For example, an industrial monitoring system might have sixteen analog inputs connected to:

· Temperature sensors

· Pressure sensors

· Current sensors

· Voltage monitoring circuits

· Flow sensors

· Position sensors

· Strain gauges

· Process-control signals

The DG406 can sequentially connect each input to an ADC.

The controller selects channel 1, waits for the signal to settle, performs an ADC conversion, then selects channel 2 and continues the process.

This architecture can dramatically reduce the number of ADCs required.

Industrial Process Control

Industrial automation equipment frequently needs to monitor many analog variables.

A PLC, industrial controller, or process-monitoring system may need to measure multiple 0–10 V, bipolar, or other analog signals.

The DG406DJZ can act as the analog switching stage between these field signals and the measurement electronics.

Its relatively wide supply range is useful in industrial environments where analog signal levels are higher than typical low-voltage embedded signals.

For legacy industrial controllers, the 28-pin PDIP footprint can also be important because an existing PCB may have been designed specifically around this package.

Test and Measurement Equipment

Test equipment is another major application.

An electronic tester may need to measure multiple nodes while sharing a single precision ADC, amplifier, or measurement instrument.

The DG406 allows the system to select different test points electronically.

For example, an automated test system can connect one of sixteen test points to an instrumentation amplifier.

The control processor selects the desired test point and then records the resulting voltage.

This architecture is useful in:

· Automated test equipment

· Production testers

· Calibration instruments

· Multimeters

· Bench instruments

· Semiconductor testers

· Laboratory measurement systems

The ability to switch analog signals rather than digital data makes the DG406 particularly useful in front-end measurement architectures.

Sample-and-Hold Circuits

Analog multiplexers are commonly used in sample-and-hold systems.

A multiplexer selects an analog input and routes it to a capacitor or sample-and-hold amplifier.

Once the desired channel is selected, the circuit captures its voltage. The controller can then move to another input.

The DG406 datasheet specifically identifies sample-and-hold circuits among its applications.

For multi-channel instrumentation, this allows many analog signals to share one acquisition circuit.

Audio Signal Routing

The DG406 can also be used for audio signal routing.

The device can select one audio source from multiple inputs, route an audio signal to different processing stages, or provide electronically controlled source selection.

Possible applications include:

· Audio test equipment

· Mixing systems

· Signal analyzers

· Communication equipment

· Industrial audio systems

· Electronic instruments

Analog switching is especially useful when the design requires source selection without converting the signal into the digital domain.

The DG406 family is explicitly specified for audio signal routing applications.

Communications Systems

Communications equipment often contains multiple analog signal paths.

A system may need to select different channels, intermediate-frequency paths, test signals, or monitoring points.

The DG406 can provide digitally controlled analog routing without requiring a separate analog processing chain for every channel.

Its wide analog voltage capability can also make it useful in older communication equipment that operates at voltage levels above those typically supported by modern low-voltage analog multiplexers.

Medical and Laboratory Instruments

Medical and laboratory instruments often require multi-channel analog measurement.

Examples include:

· Patient monitoring equipment

· Laboratory analyzers

· Diagnostic instruments

· Sensor interfaces

· Biomedical measurement systems

A multiplexer can allow one precision measurement chain to process multiple sensors.

For example, several sensor outputs can be connected to a DG406, with a microcontroller selecting one sensor at a time for conversion.

The approach reduces ADC and amplifier requirements while maintaining flexible channel selection.

For legacy medical and laboratory equipment, obtaining the original DG406DJZ can be preferable to redesigning the analog front end.

Guidance and Control Systems

The DG406 family is also identified for guidance and control systems.

Such systems can contain multiple analog feedback signals representing:

· Position

· Velocity

· Voltage

· Current

· Temperature

· Pressure

· Sensor status

The multiplexer can route selected feedback information to a common control or measurement circuit.

This architecture is especially useful when the control processor needs to monitor many analog parameters but does not require simultaneous sampling of every channel.

Legacy Industrial Equipment Repair

One of the most practical applications for the DG406DJZ today is repairing older electronic equipment.

Renesas lists the specific DG406DJZ as obsolete, even though the DG406 family itself remains documented and related versions are available.

When repairing an existing PCB, replacing the exact DG406DJZ may be easier than redesigning the circuit around a modern analog multiplexer.

The original device may have been selected for its:

· 28-pin PDIP footprint

· Wide supply range

· Analog signal range

· Control logic compatibility

· Timing characteristics

· Pin configuration

· System-level behavior

A modern 3.3 V analog switch may not provide equivalent electrical performance or pin compatibility.

Related DG406 Models

Several related models should be considered when sourcing the DG406DJZ.

The DG406DYZ is a closely related 28-lead SOIC version with the same general 16-channel architecture. The DG407DJZ is a dual 8-channel analog multiplexer/demultiplexer in a 28-lead PDIP package. Renesas also lists DG407DYZ in a 28-lead SOIC package.

Analog Devices currently lists improved DG406 and DG407 models, including DG406DJ+, DG406DN+, DG406CWI+, DG406EUI+, and other package and temperature variants.

Model	General Configuration	Package
DG406DJZ	16:1 analog MUX	28-pin PDIP
DG406DYZ	16:1 analog MUX	28-pin SOIC
DG407DJZ	Dual 8-channel MUX	28-pin PDIP
DG407DYZ	Dual 8-channel MUX	28-pin SOIC
DG406DJ+	Improved 16-channel MUX	28-pin PDIP
DG406DN+	Improved 16-channel MUX	28-pin PLCC
DG406CWI+	Improved 16-channel MUX	28-pin SOIC

The improved DG406 family offers features such as lower specified on-resistance, channel matching, improved on-resistance flatness, lower charge injection, low leakage, and rail-to-rail signal handling.

However, engineers should not assume that every related part is a drop-in replacement. Package, pinout, electrical specifications, temperature grade, and system requirements must be verified.

DG406DJZ Replacement Considerations

When replacing a DG406DJZ, the most important parameters are not simply the number of channels.

Engineers should compare:

· Number of analog channels

· Supply voltage

· Analog signal range

· On-resistance

· On-resistance flatness

· Leakage current

· Charge injection

· Switching time

· Control-input compatibility

· Package

· Temperature range

· Pinout

The current Renesas specification lists 5–34 V single-supply operation, ±5–20 V dual-supply operation, approximately 50 Ω RDS(ON), and -40°C to +85°C operation for DG406DJZ.

For precision measurement applications, on-resistance and charge injection can be particularly important because the multiplexer becomes part of the analog signal path.

Finding a Supplier for DG406DJZ in USA

When searching for a supplier for DG406DJZ in USA, procurement teams should use the complete part number rather than searching only for “DG406.”

This is especially important because DG406 products are available in different packages and temperature grades.

Before ordering, verify:

· Exact part number: DG406DJZ

· 28-pin PDIP package

· -40°C to +85°C temperature range

· 16-channel configuration

· Required supply voltage

· Analog signal range

· Product marking

· Product condition

· Packaging

· Quantity requirements

Because the specific DG406DJZ is currently marked obsolete by Renesas, specialized sourcing may be necessary for legacy equipment.

Order DG406DJZ from UTSOURCE

For customers looking for a supplier for DG406DJZ in USA, UTSOURCE provides an online sourcing platform for electronic components, including specialized and hard-to-find interface ICs.

Customers can search for DG406DJZ, review available sourcing information, and place an order or submit an inquiry based on their project requirements. The UTSOURCE product listing identifies DG406DJZ as a CMOS analog multiplexer and provides purchasing and inquiry options.

Conclusion

The DG406DJZ is a versatile 16-channel CMOS analog multiplexer/demultiplexer designed for digitally controlled analog signal routing. Its bilateral analog switches, wide supply-voltage capability, TTL/CMOS-compatible control inputs, and 28-pin PDIP package make it useful across a wide range of instrumentation and control applications.

Its most important applications include data acquisition systems, industrial process control, automated test equipment, sample-and-hold circuits, audio signal routing, communications systems, medical instrumentation, laboratory equipment, guidance and control systems, and legacy industrial electronics.

The 16-channel architecture is particularly valuable in multi-channel measurement systems because many analog inputs can share a common ADC or precision amplifier. This can reduce system cost, PCB complexity, and component count while allowing software-controlled signal selection.

For older equipment, the package and electrical characteristics can be just as important as the basic switching function. A modern low-voltage analog multiplexer may not provide the wide analog signal range, supply flexibility, pin compatibility, or timing characteristics required by an existing design.

For organizations searching for a supplier for DG406DJZ in USA, UTSOURCE offers an online sourcing option for this specialized analog multiplexer. When ordering, buyers should verify the complete DG406DJZ part number, 28-pin PDIP package, temperature range, supply requirements, and electrical specifications to ensure compatibility with the intended application.

DG406DJZ https://www.utsource.net/itm/p/11717506.html