Equivalent & Substitute Parts for MPC507AUG4

Part Overview

The MPC507AUG4 is a dual 8:1 multiplexer/demultiplexer IC manufactured by Texas Instruments, housed in a 28-SOIC surface mount package with 1.5kOhm on-state resistance. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing design support and procurement. The device functions as a precision analog switch suitable for signal routing and multiplexing applications in industrial and commercial electronics.

Key Parameters

Parameter	MPC507AUG4 Value
Multiplexer/Demultiplexer Circuit	8:1
Number of Circuits	2
On-State Resistance (Max)	1.5kOhm
Voltage - Supply, Dual (V±)	±5V ~ 22V
Switch Time (Ton, Toff) (Max)	200ns, 250ns (Typ)
Channel Capacitance (CS(off), CD(off))	5pF, 25pF
Current - Leakage (IS(off)) (Max)	500pA (Typ)
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	28-SOIC (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitution eligibility for the MPC507AUG4 is determined by the following mandatory parameters:

Multiplexer Configuration: 8:1 dual circuit topology (2 independent 8:1 switches)
Package Type: 28-SOIC surface mount form factor
Operating Temperature Range: -40°C to 85°C minimum
Supply Voltage Compatibility: Dual supply operation (±V) within or overlapping ±5V ~ 22V range
On-State Resistance: Maximum 1.5kOhm (lower values are acceptable as they represent improved performance)
RoHS Compliance: ROHS3 Compliant status required

Substitute parts are grouped into two categories based on on-state resistance characteristics:

Category A - Direct Resistance Match (1.5kOhm): MPC507AU maintains identical on-state resistance and electrical specifications, differing only in packaging format (Tube vs. unspecified for original).

Category B - Lower Resistance Alternatives (100Ohm to 450Ohm): ADG507AKRZ, ADG507AKRZ-REEL7, DG407DW-E3, DG507ACWI+, and DG507ACWI+T provide superior on-state resistance performance with identical 8:1 dual-circuit topology and 28-SOIC packaging. These parts are electrically compatible when lower resistance is acceptable for the application.

Parameter Comparison

Parameter	MPC507AUG4	MPC507AU	ADG507AKRZ	ADG507AKRZ-REEL7	DG407DW-E3	DG507ACWI+	DG507ACWI+T
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Vishay Siliconix	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Multiplexer/Demultiplexer Circuit	8:1	8:1	8:1	8:1	8:1	8:1	8:1
Number of Circuits	2	2	2	2	2	2	2
On-State Resistance (Max)	1.5kOhm	1.5kOhm	300Ohm	300Ohm	100Ohm	450Ohm	450Ohm
Voltage - Supply, Dual (V±)	±5V ~ 22V	±5V ~ 22V	±10.8V ~ 16.5V	±10.8V ~ 16.5V	±5V ~ 20V	±4.5V ~ 18V	±4.5V ~ 18V
Switch Time (Ton, Toff) (Max)	200ns, 250ns (Typ)	200ns, 250ns (Typ)	300ns, 300ns	300ns, 300ns	200ns, 150ns	1µs, 400ns	1µs, 400ns
Channel Capacitance (CS(off), CD(off))	5pF, 25pF	5pF, 25pF	5pF, 22pF	5pF, 22pF	8pF, 65pF	6pF, 45pF	6pF, 45pF
Current - Leakage (IS(off)) (Max)	500pA (Typ)	500pA (Typ)	1nA	1nA	500pA	5nA	5nA
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Package / Case	28-SOIC	28-SOIC	28-SOIC	28-SOIC	28-SOIC	28-SOIC	28-SOIC
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute - MPC507AU: This part is the direct functional equivalent with identical electrical specifications and is the manufacturer-recommended replacement. It maintains the same 1.5kOhm on-state resistance, dual supply voltage range (±5V ~ 22V), and switching characteristics. The only difference is packaging format (Tube). Product status is Active with full availability. This is the preferred choice for direct replacement without circuit redesign.

Secondary Substitutes - ADG507AKRZ and ADG507AKRZ-REEL7: Both Analog Devices parts offer superior on-state resistance (300Ohm vs. 1.5kOhm) and improved leakage characteristics (1nA vs. 500pA). The supply voltage range is narrower (±10.8V ~ 16.5V), requiring verification against application requirements. ADG507AKRZ-REEL7 offers higher inventory availability in Tape & Reel format. MSL rating improves to 1 (Unlimited). These substitutes are suitable when lower on-state resistance provides circuit benefits.

Alternative Substitute - DG407DW-E3: Vishay Siliconix part with the lowest on-state resistance (100Ohm) and fastest turn-off time (150ns). Supply voltage range (±5V ~ 20V) is compatible with the original. Higher channel capacitance (8pF, 65pF) may affect high-frequency performance. Suitable for applications requiring minimal signal attenuation.

Lower-Priority Substitutes - DG507ACWI+ and DG507ACWI+T: These Analog Devices/Maxim parts have 450Ohm on-state resistance and narrower operating temperature range (0°C ~ 70°C), which excludes full -40°C operation. Supply voltage range (±4.5V ~ 18V) is compatible. Slower switch-on time (1µs) may be limiting for high-speed applications. Use only when temperature range limitation is acceptable.

Frequently Asked Questions (FAQ)

Q: Can MPC507AU be used as a direct drop-in replacement for MPC507AUG4?

A: Yes. MPC507AU is the manufacturer-recommended substitute with identical electrical specifications, operating temperature range, and 28-SOIC packaging. The only difference is packaging format (Tube). No circuit modifications are required.

Q: What is the key difference between the lower-resistance substitutes (ADG507AKRZ, DG407DW-E3) and the original MPC507AUG4?

A: Lower on-state resistance (100Ohm to 300Ohm vs. 1.5kOhm) reduces signal attenuation and improves signal-to-noise ratio in analog switching applications. This is an improvement, not a limitation. However, supply voltage ranges may be narrower, requiring application verification.

Q: Are DG507ACWI+ and DG507ACWI+T suitable for industrial temperature applications?

A: No. These parts operate only from 0°C to 70°C, which excludes the full -40°C to 85°C industrial range of the original MPC507AUG4. Use only in commercial temperature applications (0°C ~ 70°C).

Q: What does MSL rating mean, and why do some substitutes have MSL 1 instead of MSL 2?

A: Moisture Sensitivity Level (MSL) indicates how sensitive a component is to moisture during storage and handling. MSL 1 (Unlimited shelf life) is superior to MSL 2 (1 Year shelf life). Substitutes with MSL 1 offer longer storage stability without special handling requirements.

Q: Can I use ADG507AKRZ if my circuit operates at ±5V supply voltage?

A: No. ADG507AKRZ requires minimum ±10.8V supply voltage. The original MPC507AUG4 and MPC507AU support ±5V operation. For ±5V applications, use MPC507AU, DG407DW-E3, or DG507ACWI+/DG507ACWI+T.

Q: What is the difference between ADG507AKRZ and ADG507AKRZ-REEL7?

A: Both parts are electrically identical. The difference is packaging format: ADG507AKRZ is supplied in Tube format, while ADG507AKRZ-REEL7 is supplied in Tape & Reel (TR) format for automated assembly. ADG507AKRZ-REEL7 has significantly higher inventory availability (50,200 pcs vs. 1,996 pcs).

Q: Does lower on-state resistance always mean better performance?

A: Lower on-state resistance reduces signal loss and improves signal fidelity in analog applications. However, it may increase power dissipation in high-current switching scenarios. Evaluate both benefits and trade-offs for your specific application requirements.

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