MAX4224ESA Equivalent & Substitute Parts

Part Overview

The MAX4224ESA is a Current Feedback Amplifier (CFA) manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC surface mount package. This device delivers a slew rate of 1700V/µs and -3dB bandwidth of 600 MHz, with a single amplifier circuit configuration. The MAX4224ESA is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain compatibility across electrical performance parameters, mechanical packaging, and operating conditions while meeting modern compliance standards.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	1	—
Slew Rate	1700	V/µs
-3dB Bandwidth	600	MHz
Current - Input Bias	4	µA
Voltage - Input Offset	500	µV
Current - Supply	6	mA
Current - Output / Channel	80	mA
Voltage - Supply Span (Min)	5.7	V
Voltage - Supply Span (Max)	11	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution logic for the MAX4224ESA is based on the following critical parameters that define functional equivalence:

Primary Substitution Criteria:

Amplifier Type: Current Feedback
Number of Circuits: 1
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to 85°C

Secondary Performance Parameters:

Slew Rate: 1700V/µs (baseline; higher values acceptable)
-3dB Bandwidth: 600 MHz (baseline; higher values acceptable)
Current - Output / Channel: 80 mA (baseline; equal or higher acceptable)
Voltage - Supply Span: 5.7V to 11V (must overlap or encompass)

Substitute parts are grouped into two categories:

Category 1 - Direct Functional Equivalents (Identical or Near-Identical Specifications):

MAX4224ESA+ (same manufacturer, active product status, identical electrical specifications, improved RoHS compliance)
HFA1135IBZ and HFA1135IBZ96 (Renesas Electronics, comparable slew rate and bandwidth, active status)

Category 2 - Enhanced Performance Substitutes (Superior Electrical Characteristics):

AD8011ARZ (higher slew rate 3500V/µs, lower supply current)
LMH6702MA/NOPB (significantly higher bandwidth 1.7 GHz, higher slew rate 3100V/µs)
OPA694ID (higher bandwidth 1.5 GHz, identical slew rate)
OPA695IDR (highest bandwidth 1.7 GHz, highest slew rate 4300V/µs, highest output current 120 mA)

All substitute parts maintain the 8-SOIC package format and surface mount configuration. Voltage supply span compatibility must be verified for each application.

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	-3dB Bandwidth (MHz)	Current - Input Bias (µA)	Voltage - Input Offset (µV)	Current - Supply (mA)	Current - Output / Channel (mA)	Voltage - Supply Span Min (V)	Voltage - Supply Span Max (V)	Package	RoHS Status
MAX4224ESA	Analog Devices Inc./Maxim Integrated	Obsolete	1700	600	4	500	6	80	5.7	11	8-SOIC	Non-compliant
MAX4224ESA+	Analog Devices Inc./Maxim Integrated	Active	1700	600	4	500	6	—	5.7	11	8-SOIC	ROHS3 Compliant
AD8011ARZ	Analog Devices Inc.	Active	3500	400	5	2000	1.3	30	3	12	8-SOIC	ROHS3 Compliant
HFA1135IBZ	Renesas Electronics Corporation	Active	1530	360	—	—	6.9	60	±4.5	±5.5	8-SOIC	ROHS3 Compliant
HFA1135IBZ96	Renesas Electronics Corporation	Active	1530	360	—	—	6.9	60	±4.5	±5.5	8-SOIC	ROHS3 Compliant
LMH6702MA/NOPB	Texas Instruments	Active	3100	1700	6	1000	12.5	80	10	12	8-SOIC	ROHS3 Compliant
OPA694ID	Texas Instruments	Active	1700	1500	5	500	5.8	80	7	12.6	8-SOIC	ROHS3 Compliant
OPA695IDR	Texas Instruments	Active	4300	1700	20	300	12.9	120	5	12	8-SOIC	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Obsolete Product Mitigation):

MAX4224ESA+ is the primary recommendation for direct substitution. It maintains identical electrical specifications (1700V/µs slew rate, 600 MHz bandwidth, 6 mA supply current, 80 mA output current) and identical supply voltage range (5.7V to 11V). The part is manufactured by the same company (Analog Devices Inc./Maxim Integrated) and is classified as Active product status. MAX4224ESA+ achieves ROHS3 compliance, addressing regulatory requirements that the original obsolete part does not meet. Packaging is identical 8-SOIC surface mount format.

For Applications Requiring Enhanced Performance:

OPA695IDR (Texas Instruments) provides the highest performance envelope with 4300V/µs slew rate, 1.7 GHz bandwidth, and 120 mA output current capability. This part is suitable for applications demanding superior transient response and frequency performance. Supply voltage range is 5V to 12V, which overlaps the original specification. ROHS3 compliance and Active product status ensure long-term availability.

LMH6702MA/NOPB (Texas Instruments) offers 1.7 GHz bandwidth and 3100V/µs slew rate with 80 mA output current matching the original part. Supply voltage requirement is 10V to 12V, which is narrower than the original 5.7V to 11V range. This part is suitable for fixed 10V to 12V supply applications requiring extended bandwidth.

OPA694ID (Texas Instruments) provides 1.5 GHz bandwidth with identical 1700V/µs slew rate and 80 mA output current. Supply voltage range is 7V to 12.6V. This part offers bandwidth enhancement while maintaining the original slew rate specification.

For Low-Power Applications:

AD8011ARZ (Analog Devices Inc.) delivers 3500V/µs slew rate with significantly reduced supply current of 1.3 mA compared to the original 6 mA. Output current is limited to 30 mA. Supply voltage range is 3V to 12V, providing broader low-voltage compatibility. Bandwidth is 400 MHz, which is lower than the original 600 MHz specification. This part is suitable for battery-powered or low-power supply applications where reduced current consumption is prioritized.

For Dual Supply Applications:

HFA1135IBZ and HFA1135IBZ96 (Renesas Electronics Corporation) operate on ±4.5V to ±5.5V dual supply configuration, differing from the original single/dual supply design. Slew rate is 1530V/µs and bandwidth is 360 MHz. Output current is 60 mA. These parts are suitable for applications with fixed ±5V dual supply rails. HFA1135IBZ96 is supplied in Tape & Reel packaging for high-volume production; HFA1135IBZ is supplied in Tube packaging for lower volumes.

All recommended substitutes maintain 8-SOIC surface mount package format and -40°C to 85°C operating temperature range. All substitute parts hold ROHS3 compliance and Active product status, ensuring regulatory compliance and long-term supply availability.

Frequently Asked Questions (FAQ)

Q1: Can MAX4224ESA+ be used as a direct drop-in replacement for MAX4224ESA?

A: Yes. MAX4224ESA+ is electrically and mechanically identical to MAX4224ESA. Both parts feature 1700V/µs slew rate, 600 MHz bandwidth, 6 mA supply current, 80 mA output current, and 5.7V to 11V supply voltage range. Both use 8-SOIC surface mount packaging. The primary difference is product status: MAX4224ESA is obsolete while MAX4224ESA+ is active. MAX4224ESA+ also achieves ROHS3 compliance. No circuit modifications are required.

Q2: What is the key difference between single supply and dual supply substitute options?

A: The original MAX4224ESA operates on single or dual supply configuration with 5.7V to 11V span. HFA1135IBZ and HFA1135IBZ96 operate exclusively on ±4.5V to ±5.5V dual supply configuration. Single supply parts (MAX4224ESA+, AD8011ARZ, LMH6702MA/NOPB, OPA694ID, OPA695IDR) accept single supply voltages within their specified ranges. Application circuit topology determines which supply configuration is appropriate.

Q3: Which substitute part offers the highest bandwidth?

A: OPA695IDR and LMH6702MA/NOPB both offer 1.7 GHz bandwidth, compared to the original 600 MHz. OPA695IDR additionally provides the highest slew rate at 4300V/µs and highest output current at 120 mA. LMH6702MA/NOPB provides 3100V/µs slew rate with 80 mA output current. Both parts are suitable for high-frequency applications requiring extended bandwidth performance.

Q4: What is the lowest power consumption substitute?

A: AD8011ARZ consumes 1.3 mA supply current, compared to the original 6 mA. This represents a 78% reduction in supply current. However, AD8011ARZ provides 400 MHz bandwidth (lower than original 600 MHz) and 30 mA output current (lower than original 80 mA). This part is optimized for low-power applications where reduced current consumption is the primary requirement.

Q5: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed (MAX4224ESA+, AD8011ARZ, HFA1135IBZ, HFA1135IBZ96, LMH6702MA/NOPB, OPA694ID, OPA695IDR) hold ROHS3 compliance status. The original MAX4224ESA is RoHS non-compliant. RoHS3 compliance is mandatory for new designs and production in regulated markets.

Q6: What packaging options are available for substitute parts?

A: All substitute parts maintain 8-SOIC (0.154", 3.90mm Width) surface mount package format, matching the original MAX4224ESA. Packaging variants differ by supplier:

MAX4224ESA+ is supplied in Tube packaging
AD8011ARZ is supplied in Tube packaging
HFA1135IBZ is supplied in Tube packaging
HFA1135IBZ96 is supplied in Tape & Reel (TR) packaging for high-volume production
LMH6702MA/NOPB is supplied in Tube packaging
OPA694ID is supplied in Tube packaging
OPA695IDR is supplied in Cut Tape (CT) & Digi-Reel® packaging

Q7: Which substitute part has the lowest input offset voltage?

A: OPA695IDR has the lowest input offset voltage at 300 µV, compared to the original 500 µV. This provides improved DC accuracy. LMH6702MA/NOPB has 1000 µV offset. AD8011ARZ has 2000 µV offset. HFA1135IBZ and HFA1135IBZ96 do not specify input offset voltage in the provided data.

Q8: Can substitute parts with higher bandwidth be used in applications designed for 600 MHz?

A: Yes. Substitute parts with higher bandwidth (OPA694ID at 1.5 GHz, OPA695IDR at 1.7 GHz, LMH6702MA/NOPB at 1.7 GHz) can be used in applications designed for 600 MHz. Higher bandwidth provides improved high-frequency performance and faster transient response. Circuit stability must be verified through simulation or testing, as higher bandwidth may require compensation network adjustments in some applications.

Q9: What is the supply voltage compatibility range for each substitute?

MAX4224ESA+: 5.7V to 11V (identical to original)
AD8011ARZ: 3V to 12V (broader range, lower minimum)
HFA1135IBZ / HFA1135IBZ96: ±4.5V to ±5.5V (dual supply only)
LMH6702MA/NOPB: 10V to 12V (narrower range, higher minimum)
OPA694ID: 7V to 12.6V (overlaps original range)
OPA695IDR: 5V to 12V (overlaps original range)

Applications with fixed supply voltages must select parts whose supply range encompasses the application voltage.

Q10: Which substitute parts are recommended for new designs?

A: All substitute parts listed hold Active product status and ROHS3 compliance, making them suitable for new designs. Selection depends on performance requirements:

For direct replacement: MAX4224ESA+
For maximum bandwidth and slew rate: OPA695IDR
For balanced performance: OPA694ID
For low-power applications: AD8011ARZ
For high-volume production with dual supply: HFA1135IBZ96

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