MAX4223ESA Equivalent & Substitute Parts Reference

Part Overview

The MAX4223ESA is a Current Feedback Amplifier (CFA) manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC surface mount package. This device delivers 1 GHz bandwidth with a 1100 V/µs slew rate, designed for high-speed signal conditioning applications. The MAX4223ESA is classified as Obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. Substitute parts must maintain compatibility across electrical performance parameters, mechanical packaging, and operating conditions while meeting current RoHS and REACH compliance requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Current Feedback	—
Number of Circuits	1	—
Slew Rate	1100	V/µs
-3dB Bandwidth	1000	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 eligibility for the MAX4223ESA is determined by strict adherence to the following electrical and mechanical criteria:

Primary Substitution Criteria:

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

Secondary Electrical Parameters (must be within or exceed original specifications):

Slew Rate: ≥1100 V/µs
-3dB Bandwidth: ≥1000 MHz
Current - Input Bias: ≤4 µA
Voltage - Input Offset: ≤500 µV
Current - Supply: ≤6 mA
Current - Output / Channel: ≥80 mA
Voltage - Supply Span: 5.7 V minimum to 11 V maximum

Compliance Requirements:

RoHS3 Compliant (preferred for new designs)
REACH Unaffected
Moisture Sensitivity Level: 1 or 2

Substitute parts are grouped into two categories: Direct Equivalents (identical electrical specifications and packaging) and Functional Alternatives (meet or exceed performance parameters with compatible packaging).

Parameter Comparison

Parameter	MAX4223ESA	MAX4223ESA+	AD8001ARZ	AD8007ARZ-R7	AD8011ARZ-REEL7	HFA1105IBZ96	OPA694IDR	OPA695ID
Manufacturer	Analog Devices / Maxim	Analog Devices / Maxim	Analog Devices	Analog Devices	Analog Devices	Renesas Electronics	Texas Instruments	Texas Instruments
Amplifier Type	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback	Current Feedback
Number of Circuits	1	1	1	1	1	1	1	1
Slew Rate (V/µs)	1100	1100	1200	1000	3500	1000	1700	4300
-3dB Bandwidth (MHz)	1000	1000	715	650	400	330	1500	1700
Current - Input Bias (µA)	4	4	5	4	5	—	5	20
Voltage - Input Offset (µV)	500	500	2000	500	2000	—	500	300
Current - Supply (mA)	6	6	5	9	1.3	5.8	5.8	12.9
Current - Output / Channel (mA)	80	80	70	130	30	60	80	120
Voltage - Supply Span Min (V)	5.7	5.7	6	5	3	±4.5	7	5
Voltage - Supply Span Max (V)	11	11	12	12	12	±5.5	12.6	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Last Time Buy
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

Direct Equivalent (Recommended for Replacement):

MAX4223ESA+ is the primary substitute for MAX4223ESA. Both devices share identical electrical specifications (1100 V/µs slew rate, 1000 MHz bandwidth, 4 µA input bias current, 500 µV input offset voltage, 6 mA supply current, 80 mA output current). The MAX4223ESA+ is Active product status with ROHS3 compliance, addressing the obsolescence of the original part. Packaging differs only in format (Tube vs. unspecified), with both using 8-SOIC surface mount configuration. This substitution requires no circuit redesign.

Functional Alternatives (Performance-Enhanced Substitutes):

OPA694IDR and OPA695ID (Texas Instruments) exceed original specifications in bandwidth and slew rate. OPA694IDR delivers 1500 MHz bandwidth with 1700 V/µs slew rate while maintaining 80 mA output current and 500 µV input offset. OPA695ID provides 1700 MHz bandwidth with 4300 V/µs slew rate and 120 mA output current, suitable for applications requiring higher performance margins. Both are ROHS3 compliant and Active status. OPA695ID carries Last Time Buy status, limiting long-term availability.

AD8001ARZ (Analog Devices) provides 1200 V/µs slew rate with 715 MHz bandwidth, lower than the original but suitable for applications not requiring full 1 GHz performance. Supply current is reduced to 5 mA with 70 mA output current. ROHS3 compliant and Active status.

AD8007ARZ-R7 and AD8011ARZ-REEL7 (Analog Devices) offer alternative performance profiles. AD8007ARZ-R7 maintains 1000 V/µs slew rate with 650 MHz bandwidth but increases output current to 130 mA. AD8011ARZ-REEL7 delivers exceptional 3500 V/µs slew rate with 400 MHz bandwidth and reduced supply current (1.3 mA), suitable for low-power applications with lower bandwidth requirements.

HFA1105IBZ96 (Renesas Electronics) provides 1000 V/µs slew rate with 330 MHz bandwidth. Moisture Sensitivity Level is 3 (168 Hours), requiring controlled storage conditions. Supply voltage operates as ±4.5V to ±5.5V (dual supply), differing from the original's single supply specification.

Compliance and Availability Considerations:

All substitute parts except MAX4223ESA+ are ROHS3 compliant, meeting current regulatory requirements. MAX4223ESA+ is the only direct equivalent with Active product status and unlimited moisture sensitivity. OPA695ID is Last Time Buy status, indicating limited future availability. HFA1105IBZ96 has the lowest inventory (1100 Pcs) among substitutes. AD8011ARZ-REEL7 and AD8007ARZ-R7 are supplied in Cut Tape & Digi-Reel format, suitable for automated assembly.

Frequently Asked Questions (FAQ)

Q: Can MAX4223ESA+ be used as a direct replacement for MAX4223ESA without circuit modification?

A: Yes. MAX4223ESA+ is electrically and mechanically identical to MAX4223ESA. Both devices have 1100 V/µs slew rate, 1000 MHz bandwidth, 4 µA input bias current, 500 µV input offset voltage, 6 mA supply current, and 80 mA output current. The only difference is packaging format (Tube) and product status (Active vs. Obsolete). No circuit redesign is required.

Q: What are the key differences between MAX4223ESA and OPA694IDR?

A: OPA694IDR exceeds MAX4223ESA performance in bandwidth (1500 MHz vs. 1000 MHz) and slew rate (1700 V/µs vs. 1100 V/µs). Output current remains equivalent at 80 mA. Input offset voltage is identical at 500 µV. Supply current is slightly lower (5.8 mA vs. 6 mA). Both use 8-SOIC surface mount packaging. OPA694IDR is suitable for applications requiring higher bandwidth and faster settling time.

Q: Is HFA1105IBZ96 compatible with the original MAX4223ESA supply voltage specification?

A: No. HFA1105IBZ96 operates on dual supply voltage (±4.5V to ±5.5V), while MAX4223ESA operates on single supply voltage (5.7V to 11V). Circuit redesign is required to accommodate dual supply operation. Additionally, HFA1105IBZ96 has lower bandwidth (330 MHz) and reduced output current (60 mA).

Q: Which substitute part has the lowest power consumption?

A: AD8011ARZ-REEL7 has the lowest supply current at 1.3 mA, compared to 6 mA for MAX4223ESA. However, AD8011ARZ-REEL7 has significantly lower bandwidth (400 MHz) and reduced output current (30 mA), making it suitable only for low-power, lower-bandwidth applications.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed are ROHS3 compliant. The original MAX4223ESA is RoHS non-compliant. For new designs and applications subject to RoHS regulations, MAX4223ESA+ or any of the alternative substitutes are required.

Q: What is the difference between OPA694IDR and OPA695ID?

A: OPA695ID provides higher performance than OPA694IDR: 1700 MHz bandwidth vs. 1500 MHz, 4300 V/µs slew rate vs. 1700 V/µs, and 120 mA output current vs. 80 mA. OPA695ID has higher input bias current (20 µA vs. 5 µA) and higher supply current (12.9 mA vs. 5.8 mA). OPA695ID is Last Time Buy status, indicating limited future availability. OPA694IDR is Active status with better long-term supply assurance.

Q: Can AD8001ARZ be used in applications requiring 1 GHz bandwidth?

A: No. AD8001ARZ has 715 MHz bandwidth, below the 1000 MHz specification of MAX4223ESA. It is suitable only for applications with bandwidth requirements up to 715 MHz. Slew rate is adequate at 1200 V/µs.

Q: What packaging formats are available for substitute parts?

A: MAX4223ESA+ is supplied in Tube format. AD8001ARZ and OPA695ID are supplied in Tube format. AD8007ARZ-R7 and AD8011ARZ-REEL7 are supplied in Cut Tape (CT) & Digi-Reel format. OPA694IDR packaging format is not specified. HFA1105IBZ96 is supplied in Tape & Reel (TR) format. Packaging selection depends on assembly process requirements.

Q: Which substitute part has the highest inventory availability?

A: MAX4223ESA+ has the highest inventory at 12,900 Pcs New Original In Stock, followed by MAX4223ESA at 12,700 Pcs. Among active substitutes, OPA694IDR has 7,214 Pcs, AD8011ARZ-REEL7 has 5,600 Pcs, and AD8001ARZ has 8,722 Pcs. HFA1105IBZ96 has the lowest inventory at 1,100 Pcs.

Q: What is the moisture sensitivity level requirement for each substitute part?

A: MAX4223ESA, MAX4223ESA+, AD8001ARZ, AD8007ARZ-R7, and AD8011ARZ-REEL7 have Moisture Sensitivity Level 1 (Unlimited), requiring no special storage conditions. OPA694IDR and OPA695ID have MSL 2 (1 Year), requiring controlled storage within one year of packaging. HFA1105IBZ96 has MSL 3 (168 Hours), requiring the most stringent storage control at 168 hours maximum before use.

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