DG407DN+ Equivalent & Substitute Parts

Part Overview

The DG407DN+ is a dual 8:1 multiplexer/demultiplexer interface IC manufactured by Analog Devices Inc./Maxim Integrated. This surface-mount component features two independent 8:1 switching circuits with 100Ohm on-state resistance, designed for signal routing and analog switching applications. The device is currently in active production status with 753 pieces available in new original inventory. Finding equivalent parts is necessary when addressing supply chain constraints, lead time requirements, or specific application compatibility needs while maintaining identical electrical and mechanical performance.

Key Parameters

Parameter	Value
Multiplexer/Demultiplexer Circuit Configuration	8:1
Number of Circuits	2
On-State Resistance (Max)	100Ohm
Channel-to-Channel Matching (ΔRon)	1.5Ohm
Voltage - Supply, Single (V+)	5V ~ 30V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	200ns, 150ns
Charge Injection	2pC
Channel Capacitance (CS(off), CD(off))	8pF, 65pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-92dB @ 100kHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	28-LCC (J-Lead)
Supplier Device Package	28-PLCC (11.51x11.51)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the DG407DN+ is determined by strict equivalence across all critical electrical and mechanical parameters. The primary substitution criteria include:

Multiplexer/Demultiplexer circuit configuration: 8:1 (dual circuits)
On-state resistance specification: 100Ohm maximum
Channel-to-channel matching tolerance: 1.5Ohm
Supply voltage ranges: Single supply 5V ~ 30V and dual supply ±4.5V ~ 20V
Switching performance: Ton/Toff specifications of 200ns/150ns maximum
Package specification: 28-PLCC (11.51x11.51) surface-mount configuration
Electrical characteristics: Charge injection, channel capacitance, leakage current, and crosstalk performance

Only components meeting all of these parameters across electrical performance, thermal operating range, and physical packaging qualify as direct substitutes.

Parameter Comparison

Parameter	DG407DN+ (Main Part)	DG407DN+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Multiplexer/Demultiplexer Circuit	8:1	8:1
Number of Circuits	2	2
On-State Resistance (Max)	100Ohm	100Ohm
Channel-to-Channel Matching (ΔRon)	1.5Ohm	1.5Ohm
Voltage - Supply, Single (V+)	5V ~ 30V	5V ~ 30V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	200ns, 150ns	200ns, 150ns
Charge Injection	2pC	2pC
Channel Capacitance (CS(off), CD(off))	8pF, 65pF	8pF, 65pF
Current - Leakage (IS(off)) (Max)	500pA	500pA
Crosstalk	-92dB @ 100kHz	-92dB @ 100kHz
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	28-LCC (J-Lead)	28-LCC (J-Lead)
Supplier Device Package	28-PLCC (11.51x11.51)	28-PLCC (11.51x11.51)
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The DG407DN+ maintains active product status with ROHS3 compliance and REACH unaffected classification, ensuring regulatory alignment for current and future applications. The component's MSL rating of 1 (Unlimited) provides maximum flexibility for storage and handling without moisture-related degradation concerns. Selection of equivalent parts should prioritize components from the same manufacturer base product family (DG407 series) to ensure consistency in process control and performance characteristics. All substitute components must maintain identical compliance certifications and product status designations to ensure seamless integration into existing supply chains and manufacturing processes.

Frequently Asked Questions (FAQ)

Q: What defines a direct substitute for the DG407DN+? A: A direct substitute must match all electrical parameters including the 8:1 dual-circuit configuration, 100Ohm on-state resistance, supply voltage ranges (5V ~ 30V single, ±4.5V ~ 20V dual), switching times (200ns/150ns), and the 28-PLCC surface-mount package. Compliance certifications and product status must also align.

Q: Can the DG407DN+ be replaced with a different multiplexer architecture? A: No. The 8:1 dual-circuit configuration is a core functional requirement. Components with different multiplexer ratios (such as 4:1 or 16:1) or single-circuit designs are not compatible substitutes.

Q: Are there package alternatives for the DG407DN+? A: The 28-PLCC (11.51x11.51) surface-mount package is the specified configuration. Alternative package types are not considered equivalent substitutes due to mechanical and electrical interconnect differences.

Q: What is the significance of the 1.5Ohm channel-to-channel matching specification? A: This parameter defines the maximum resistance variation between individual channels within the same device. Substitutes must maintain this tolerance to ensure consistent signal routing performance across all eight channels in each circuit.

Q: Does the MSL rating of 1 affect component handling? A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity limitations. Standard dry storage practices apply, but no special moisture-barrier packaging or baking procedures are required prior to assembly.

Q: How does the -92dB crosstalk specification impact circuit design? A: This crosstalk performance at 100kHz establishes the maximum signal coupling between channels. Substitute components must maintain this specification to prevent unwanted signal interference in multiplexed signal paths.

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