FHP3230IM8X Equivalent & Substitute Parts

Part Overview

The FHP3230IM8X is a voltage feedback amplifier integrated circuit manufactured by onsemi, featuring two circuits in an 8-SOIC surface mount package. This device is classified as obsolete, indicating that it is no longer in active production. The FHP3230IM8X delivers rail-to-rail output capability with a slew rate of 110 V/µs and a gain bandwidth product of 60 MHz, designed for applications requiring dual-channel amplification in compact form factors.

Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for new designs, production continuity, and long-term component availability. Active alternatives maintain functional compatibility while offering improved availability and compliance certifications.

Key Parameters

Parameter	FHP3230IM8X
Manufacturer	onsemi
Amplifier Type	Voltage Feedback
Number of Circuits	2
Output Type	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)
Slew Rate	110 V/µs
Gain Bandwidth Product	60 MHz
-3dB Bandwidth	170 MHz
Current - Input Bias	1.8 µA
Voltage - Input Offset	1 mV
Current - Supply	2.5 mA (x2 Channels)
Current - Output / Channel	100 mA
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	12 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the FHP3230IM8X is determined by strict alignment of electrical and mechanical parameters. The critical parameters that define substitution compatibility are:

Mechanical Compatibility:

Package type: 8-SOIC (0.154", 3.90mm Width)
Mounting type: Surface Mount
Pin count and footprint equivalence

Electrical Compatibility:

Amplifier type: Voltage Feedback
Number of circuits: 2
Output type: Rail-to-Rail
Supply voltage range: Minimum 2.7 V, Maximum 12 V
Operating temperature range: -40°C ~ 85°C

Performance Parameters:

Slew rate: 110 V/µs (primary performance metric)
Gain bandwidth product: 60 MHz
-3dB bandwidth: 170 MHz
Current output per channel: 100 mA
Supply current: 2.5 mA (x2 Channels)
Input bias current: 1.8 µA
Input offset voltage: 1 mV

Substitute parts are grouped into two categories based on performance alignment:

Category 1: Direct Performance Equivalents – Parts with slew rate and bandwidth characteristics matching or exceeding the FHP3230IM8X specifications while maintaining identical package and circuit configuration.

Category 2: Functional Equivalents – Parts with lower slew rate and bandwidth but identical package, circuit count, and supply specifications, suitable for applications where performance headroom is not critical.

Parameter Comparison

Parameter	FHP3230IM8X	AD8032ARZ	AD8032ARZ-REEL	AD8032ARZ-REEL7	AD8032BRZ	AD8032BRZ-REEL	AD8032BRZ-REEL7	AD8052ARZ-REEL	LMH6643MA/NOPB	LT6231IS8#TRPBF	MAX4017ESA+
Manufacturer	onsemi	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Texas Instruments	Analog Devices Inc.	Analog Devices Inc./Maxim Integrated
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	General Purpose	Buffer, Voltage Feedback
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate	110 V/µs	35 V/µs	35 V/µs	35 V/µs	35 V/µs	35 V/µs	35 V/µs	170 V/µs	135 V/µs	70 V/µs	600 V/µs
Gain Bandwidth Product	60 MHz	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	215 MHz	140 MHz
-3dB Bandwidth	170 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	80 MHz	110 MHz	130 MHz	N/A	200 MHz
Current - Input Bias	1.8 µA	450 nA	450 nA	450 nA	450 nA	450 nA	450 nA	1.4 µA	1.6 µA	5 µA	5.4 µA
Voltage - Input Offset	1 mV	1 mV	1 mV	1 mV	500 µV	500 µV	500 µV	1.7 mV	1 mV	350 µV	4 mV
Current - Supply	2.5 mA (x2 Channels)	900 µA (x2 Channels)	900 µA (x2 Channels)	900 µA (x2 Channels)	900 µA (x2 Channels)	900 µA (x2 Channels)	900 µA (x2 Channels)	4.8 mA (x2 Channels)	2.7 mA (x2 Channels)	3.3 mA (x2 Channels)	5.5 mA (x2 Channels)
Current - Output / Channel	100 mA	15 mA	15 mA	15 mA	15 mA	15 mA	15 mA	45 mA	75 mA	30 mA	120 mA
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	3 V	2.7 V	3 V	3.15 V
Voltage - Supply Span (Max)	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12 V	12.8 V	12.6 V	11 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	N/A	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Active Product Status Requirement

All substitute parts listed are in active production status, ensuring long-term availability and supply chain continuity. The FHP3230IM8X, classified as obsolete, has no active manufacturing support. Selection of active alternatives is mandatory for new designs and production planning.

Compliance and Certification

All substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The FHP3230IM8X compliance status is not specified, making active alternatives preferable for applications subject to regulatory oversight.

Packaging and Mechanical Compatibility

All substitute parts maintain the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring direct footprint compatibility with existing PCB designs. Pin-to-pin compatibility is preserved across all alternatives.

Performance-Based Selection

For applications requiring high slew rate and bandwidth performance:

AD8052ARZ-REEL (170 V/µs slew rate, 110 MHz bandwidth) provides performance characteristics closest to the FHP3230IM8X
MAX4017ESA+ (600 V/µs slew rate, 200 MHz bandwidth) exceeds FHP3230IM8X performance specifications

For applications with moderate performance requirements:

LMH6643MA/NOPB (135 V/µs slew rate, 130 MHz bandwidth) offers balanced performance with active status
AD8032 series variants (35 V/µs slew rate, 80 MHz bandwidth) provide functional equivalence with lower power consumption

For general-purpose applications:

LT6231IS8#TRPBF (70 V/µs slew rate, 215 MHz gain bandwidth product) offers general-purpose amplification with higher bandwidth

Supply Current Considerations

The FHP3230IM8X operates at 2.5 mA supply current per dual-channel configuration. The AD8032 series reduces supply current to 900 µA, offering significant power savings. Applications with strict power budgets should prioritize the AD8032 variants. Higher performance alternatives (AD8052ARZ-REEL, MAX4017ESA+) consume increased supply current and should be selected only when performance requirements justify the additional power consumption.

Output Current Capability

The FHP3230IM8X provides 100 mA output current per channel. Substitute parts vary significantly in output current capability:

AD8032 series: 15 mA per channel (reduced capability)
AD8052ARZ-REEL: 45 mA per channel
LMH6643MA/NOPB: 75 mA per channel
MAX4017ESA+: 120 mA per channel

Applications requiring the full 100 mA output current should select MAX4017ESA+ or verify that reduced output current from other alternatives is acceptable for the specific application.

Frequently Asked Questions (FAQ)

Q: Can the AD8032 series directly replace the FHP3230IM8X in all applications?

A: The AD8032 series maintains mechanical and electrical compatibility through identical 8-SOIC packaging, dual-circuit configuration, and rail-to-rail output. However, the AD8032 series has reduced slew rate (35 V/µs versus 110 V/µs) and lower output current per channel (15 mA versus 100 mA). Direct replacement is valid only for applications where these reduced performance specifications are acceptable. Applications requiring high slew rate or high output current must select alternative parts.

Q: What is the difference between AD8032ARZ, AD8032ARZ-REEL, and AD8032ARZ-REEL7?

A: These part numbers represent the same device with different packaging and tape configurations. AD8032ARZ is supplied in tube packaging. AD8032ARZ-REEL and AD8032ARZ-REEL7 are supplied on cut tape with Digi-Reel, with REEL7 indicating a specific reel configuration. Electrical specifications are identical. Selection depends on procurement and assembly requirements.

Q: Why does the FHP3230IM8X have higher output current capability than most substitutes?

A: The FHP3230IM8X is designed for applications requiring high output current drive. Most modern alternatives prioritize lower power consumption and reduced supply current. Applications requiring 100 mA output current per channel should select MAX4017ESA+ (120 mA per channel) or verify that reduced output current from other alternatives meets application requirements.

Q: Is the LT6231IS8#TRPBF a suitable replacement for the FHP3230IM8X?

A: The LT6231IS8#TRPBF is classified as a general-purpose amplifier rather than a voltage feedback amplifier. While it maintains the 8-SOIC package and dual-circuit configuration, the different amplifier topology may affect circuit behavior. This part is suitable only for applications where general-purpose amplification is acceptable and where the specific characteristics of voltage feedback amplification are not required.

Q: What is the significance of the AD8052ARZ-REEL having an extended operating temperature range to 125°C?

A: The AD8052ARZ-REEL extends the maximum operating temperature from 85°C to 125°C. This is relevant only for applications operating in high-temperature environments. For standard applications operating within -40°C to 85°C, this extended range provides no functional advantage but may be required for specific industrial or automotive applications.

Q: Can MAX4017ESA+ be used as a direct replacement despite its higher slew rate?

A: MAX4017ESA+ is mechanically and electrically compatible with the FHP3230IM8X, maintaining the 8-SOIC package, dual-circuit configuration, and rail-to-rail output. The higher slew rate (600 V/µs) and bandwidth (200 MHz) provide performance headroom and do not create incompatibility. However, MAX4017ESA+ has higher supply current (5.5 mA versus 2.5 mA) and higher input offset voltage (4 mV versus 1 mV). Selection should be based on whether these characteristics are acceptable for the specific application.

Q: What does ROHS3 compliance mean for component selection?

A: ROHS3 compliance indicates that the component meets Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials including lead, mercury, cadmium, and hexavalent chromium. All active substitute parts listed are ROHS3 compliant, meeting current environmental regulations. The FHP3230IM8X compliance status is not specified, making active alternatives preferable for applications subject to regulatory oversight or customer requirements.

Q: How do I determine which substitute part is best for my application?

A: Selection depends on three primary factors: (1) Required slew rate and bandwidth performance, (2) Required output current per channel, and (3) Power consumption constraints. Identify the minimum acceptable performance specifications for your application, then cross-reference against the parameter comparison table. If slew rate and bandwidth are critical, select AD8052ARZ-REEL or MAX4017ESA+. If output current is critical, select MAX4017ESA+. If power consumption is critical, select AD8032 series variants.

Q: Are all substitute parts available in the same packaging options?

A: Substitute parts are available in different packaging configurations (tube, cut tape, Digi-Reel). The electrical specifications remain identical across packaging options for the same base part number. Packaging selection depends on procurement method and assembly equipment compatibility. Consult with your supplier regarding available packaging options for your selected part number.

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