EL8172ISZ Equivalent & Substitute Parts

Part Overview

The EL8172ISZ is a single-channel instrumentation amplifier manufactured by Renesas Electronics Corporation in a surface-mount 8-SOIC package. This device features rail-to-rail output capability and is designed for precision signal conditioning applications requiring low input offset voltage and minimal input bias current.

The EL8172ISZ carries an obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this amplifier topology.

Substiute Parts

EL8172ISZ
Renesas Electronics CorporationIn Stock: 830EL8172ISZ Datasheet
EL8172ISZ
Current Part
EL8172FSZ
ElantecIn Stock: 9985EL8172FSZ Datasheet
EL8172FSZ
Direct

Key Parameters

Parameter Value Unit
Amplifier Type Instrumentation
Number of Circuits 1
Output Type Rail-to-Rail
Slew Rate 0.55 V/µs
-3dB Bandwidth 170 kHz
Current - Input Bias 10 pA
Voltage - Input Offset 70 µV
Current - Supply 65 µA
Current - Output / Channel 32 mA
Voltage - Supply Span (Min) 2.4 V
Voltage - Supply Span (Max) 5.5 V
Operating Temperature Range -40 to 125 °C
Package / Case 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount

Substitute Part Grouping Explanation

Substitution of the EL8172ISZ is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must satisfy the following criteria:

Electrical Parameters (Must Match Exactly):

  • Amplifier type: Instrumentation
  • Number of circuits: 1
  • Output type: Rail-to-Rail
  • Slew rate: 0.55 V/µs
  • -3dB bandwidth: 170 kHz
  • Input bias current: 10 pA
  • Input offset voltage: 70 µV
  • Supply current: 65 µA
  • Output current per channel: 32 mA
  • Supply voltage range: 2.4 V to 5.5 V
  • Operating temperature range: -40°C to 125°C

Mechanical Parameters (Must Match Exactly):

  • Package type: 8-SOIC
  • Package dimensions: 0.154" × 3.90mm width
  • Mounting type: Surface Mount

The EL8172FSZ meets all specified electrical and mechanical parameters and qualifies as a direct substitute.

Parameter Comparison

Parameter EL8172ISZ (Main Part) EL8172FSZ (Substitute) Match
Amplifier Type Instrumentation Instrumentation
Number of Circuits 1 1
Output Type Rail-to-Rail Rail-to-Rail
Slew Rate (V/µs) 0.55 0.55
-3dB Bandwidth (kHz) 170 170
Current - Input Bias (pA) 10 10
Voltage - Input Offset (µV) 70 70
Current - Supply (µA) 65 65
Current - Output / Channel (mA) 32 32
Voltage - Supply Span Min (V) 2.4 2.4
Voltage - Supply Span Max (V) 5.5 5.5
Operating Temperature (°C) -40 to 125 -40 to 125
Package / Case 8-SOIC (0.154", 3.90mm) 8-SOIC (0.154", 3.90mm)
Mounting Type Surface Mount Surface Mount

Engineering Selection Recommendations

The EL8172ISZ is classified as obsolete. The EL8172FSZ is classified as active and carries identical electrical and mechanical specifications.

Selection Basis:

The EL8172FSZ is a direct functional equivalent suitable for replacement in applications currently using the EL8172ISZ. Both parts share identical parameter specifications across all measured electrical characteristics and package dimensions. The EL8172FSZ maintains active product status, ensuring ongoing availability and supply chain support.

Both parts comply with ROHS3 and carry REACH Unaffected status. Both are classified under ECCN EAR99 and HTSUS 8542.33.0001.

The transition from EL8172ISZ to EL8172FSZ requires no circuit redesign, PCB layout modification, or firmware changes. Pin configuration, electrical performance, and thermal characteristics remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can the EL8172FSZ be used as a direct replacement for the EL8172ISZ?

A: Yes. The EL8172FSZ meets all electrical and mechanical specifications of the EL8172ISZ. No circuit modifications are required.

Q: Are there any differences in package dimensions between these parts?

A: No. Both parts use the 8-SOIC package with identical dimensions of 0.154" × 3.90mm width. PCB footprints are interchangeable.

Q: What is the primary reason for substitution?

A: The EL8172ISZ is obsolete. The EL8172FSZ is an active product with identical specifications and ensures continued supply availability.

Q: Do both parts operate across the same temperature range?

A: Yes. Both parts operate from -40°C to 125°C.

Q: Are there compliance or certification differences?

A: No. Both parts comply with ROHS3, carry REACH Unaffected status, and share identical ECCN and HTSUS classifications.

Q: What is the input bias current specification for these parts?

A: Both parts specify 10 pA input bias current.

Q: Can these parts be used in low-voltage applications?

A: Yes. Both parts support supply voltages as low as 2.4 V, enabling operation in battery-powered and low-voltage systems.

Q: What is the maximum output current per channel?

A: Both parts deliver 32 mA maximum output current per channel.

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