HI4P0509-5Z Equivalent & Substitute Parts

Part Overview

The HI4P0509-5Z is a 2-circuit SP4T analog switch IC manufactured by Renesas Electronics Corporation, featuring 400Ohm on-state resistance in a 20-PLCC package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates with dual supply voltage (±15V) and is suitable for signal routing and multiplexing applications requiring low on-state resistance and fast switching performance.

Key Parameters

Parameter	Value
Switch Circuit Configuration	SP4T (Single Pole, 4-Throw)
Number of Circuits	2
Multiplexer/Demultiplexer Circuit	4:1
On-State Resistance (Max)	400Ohm
Channel-to-Channel Matching (ΔRon)	20Ohm
Voltage - Supply, Dual (V±)	±15V
Switch Time (Ton, Toff) (Max)	250ns, 250ns (Typ)
Channel Capacitance (CS(off), CD(off))	10pF, 12pF
Current - Leakage (IS(off)) (Max)	30pA (Typ)
Operating Temperature	0°C ~ 75°C
Package / Case	20-LCC (J-Lead) / 20-PLCC (9x9)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution for the HI4P0509-5Z is determined by the following critical parameters:

Switch Circuit Type: SP4T configuration with 2 circuits (4:1 multiplexer/demultiplexer)
On-State Resistance: Maximum 400Ohm with channel matching tolerance (ΔRon) of 20Ohm
Supply Voltage Compatibility: Dual supply operation at ±15V
Switching Performance: Maximum switching time of 250ns (Ton, Toff)
Package Compatibility: 20-PLCC (9x9) surface mount package
Leakage Current: Maximum 30pA typical
Operating Temperature Range: 0°C ~ 75°C minimum

Substitute parts are grouped into two categories:

Category 1 - Parametric Equivalent: Parts with identical electrical specifications and package form factor, allowing direct replacement without circuit modification.

Category 2 - Functional Substitute: Parts with different on-state resistance, supply voltage ranges, or package types that require design evaluation for compatibility.

Parameter Comparison

Parameter	HI4P0509-5Z (Renesas)	ADG509AKPZ-REEL (Analog Devices)	DG409DYZ (Renesas)	HI4P0509-5Z (Intersil)
Manufacturer	Renesas Electronics	Analog Devices Inc.	Renesas Electronics	Intersil
Product Status	Obsolete	Active	Active	Active
Switch Circuit	SP4T	SP4T	SP4T	SP4T
Number of Circuits	2	2	2	2
Multiplexer/Demultiplexer	4:1	4:1	4:1	4:1
On-State Resistance (Max)	400Ohm	450Ohm	100Ohm	400Ohm
Channel-to-Channel Matching (ΔRon)	20Ohm	22.5Ohm	15Ohm (Max)	20Ohm
Voltage - Supply, Dual (V±)	±15V	±10.8V ~ 16.5V	±5V ~ 20V	±15V
Switch Time (Ton, Toff) (Max)	250ns, 250ns (Typ)	300ns, 300ns	150ns, 150ns	250ns, 250ns (Typ)
Channel Capacitance (CS(off), CD(off))	10pF, 12pF	5pF, 11pF	3pF, 14pF	10pF, 12pF
Current - Leakage (IS(off)) (Max)	30pA (Typ)	1nA	500pA	30pA (Typ)
Operating Temperature	0°C ~ 75°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 75°C
Package / Case	20-LCC (J-Lead)	20-LCC (J-Lead)	16-SOIC (0.154", 3.90mm Width)	20-LCC (J-Lead)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not applicable
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	2 (1 Year)	3 (168 Hours)

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalent)

The HI4P0509-5Z manufactured by Intersil provides parametric equivalence with identical on-state resistance (400Ohm), channel matching (20Ohm), dual supply voltage (±15V), switching time (250ns), and package configuration (20-PLCC). This part is suitable for direct substitution in existing designs without circuit modification. The part maintains ROHS3 compliance and identical MSL rating (3, 168 Hours).

Active Substitute with Design Consideration

The ADG509AKPZ-REEL from Analog Devices maintains the same switch circuit configuration (SP4T, 2 circuits, 4:1), package form factor (20-PLCC), and mounting type. On-state resistance is 450Ohm (50Ohm higher than the original), with channel matching of 22.5Ohm. Supply voltage range is ±10.8V ~ 16.5V, which encompasses the ±15V requirement. Switching time is 300ns (50ns slower). This part is active and carries superior MSL rating (1, Unlimited) and lower leakage current (1nA). Design verification is required to confirm acceptable performance with the higher on-state resistance and slower switching time.

Functional Substitute with Package Change

The DG409DYZ from Renesas features significantly lower on-state resistance (100Ohm) and faster switching time (150ns), but requires package change from 20-PLCC to 16-SOIC. This part is active with extended operating temperature range (-40°C ~ 85°C) and improved MSL rating (2, 1 Year). PCB layout modification is necessary due to different pin configuration and package dimensions. This option is suitable only when board redesign is feasible.

Frequently Asked Questions (FAQ)

Q: Can the ADG509AKPZ-REEL directly replace the HI4P0509-5Z without circuit modification?

A: The ADG509AKPZ-REEL maintains identical package form factor (20-PLCC) and pin configuration, enabling direct PCB placement. However, the 50Ohm higher on-state resistance (450Ohm vs. 400Ohm) and 50ns slower switching time (300ns vs. 250ns) require circuit performance verification. Applications with tight impedance or timing specifications must be evaluated.

Q: Why is the DG409DYZ listed as a substitute if it uses a different package?

A: The DG409DYZ is functionally equivalent in switch circuit topology (SP4T, 2 circuits, 4:1) and offers superior electrical performance (100Ohm on-state resistance, 150ns switching time). It is listed as a functional substitute for designs where PCB redesign is acceptable. Package change from 20-PLCC to 16-SOIC requires layout modification and pin remapping.

Q: What is the significance of the Intersil HI4P0509-5Z variant?

A: The Intersil HI4P0509-5Z is a parametric equivalent with identical electrical specifications and package configuration to the Renesas original. It provides direct substitution capability for procurement continuity. RoHS compliance status differs (Not applicable vs. ROHS3 Compliant), which may affect regulatory requirements depending on application jurisdiction.

Q: How do supply voltage ranges affect substitution compatibility?

A: The original HI4P0509-5Z operates at fixed ±15V dual supply. The ADG509AKPZ-REEL accepts ±10.8V ~ 16.5V, which includes the ±15V operating point. The DG409DYZ accepts ±5V ~ 20V, providing broader flexibility. Designs operating at exactly ±15V are compatible with all three substitutes. Designs requiring operation outside ±15V must verify compatibility with the substitute's voltage range.

Q: What does MSL rating mean for component substitution?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions (30°C, 60% relative humidity) before soldering. The original part has MSL 3 (168 hours). The ADG509AKPZ-REEL has superior MSL 1 (Unlimited), requiring less stringent storage control. The DG409DYZ has MSL 2 (1 Year). Higher MSL ratings provide greater manufacturing flexibility and reduced risk of moisture-induced failures.

Q: Are all substitute parts ROHS3 compliant?

A: The Renesas HI4P0509-5Z (original) and both active substitutes (ADG509AKPZ-REEL and DG409DYZ) are ROHS3 compliant. The Intersil HI4P0509-5Z variant shows "Not applicable" status. Designs requiring ROHS3 certification should use the Renesas or Analog Devices parts.

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