AD8027ARTZ-REEL Equivalent & Substitute Parts

Part Overview

The AD8027ARTZ-REEL is a voltage feedback operational amplifier manufactured by Analog Devices Inc., housed in a SOT-23-6 surface mount package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production requirements. The AD8027ARTZ-REEL features rail-to-rail output capability, making it suitable for low-voltage signal conditioning and amplification applications. Active equivalent variants and functionally similar alternatives are available from both Analog Devices Inc. and Texas Instruments to support continued system implementation.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	100	V/µs
-3dB Bandwidth	190	MHz
Current - Input Bias	4	µA
Voltage - Input Offset	200	µV
Current - Supply	6.5	mA
Current - Output / Channel	120	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
Package / Case	SOT-23-6	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the AD8027ARTZ-REEL is determined by compatibility across the following critical parameters: amplifier topology (voltage feedback), single-circuit configuration, rail-to-rail output capability, surface mount packaging in SOT-23-6 form factor, and operating temperature range. The supply voltage span, slew rate, bandwidth, input bias current, input offset voltage, supply current, and output current capacity establish the functional envelope within which substitutes operate.

Substitute parts are grouped into two categories:

Direct Equivalents: Parts that maintain identical or near-identical electrical specifications and are manufactured by Analog Devices Inc. These include AD8027ARTZ-REEL7, which is the active production variant of the same base product number AD8027.

Functional Alternatives: Parts that share the same package form factor, output type, and general amplifier classification but may exhibit different electrical performance characteristics. These include devices from the LT6230 and LMH6611 families, which operate within compatible supply voltage ranges and maintain rail-to-rail output architecture.

The ADA4807-1ARJZ-R7 represents a performance-enhanced alternative with improved slew rate and reduced supply current while maintaining core compatibility parameters.

Parameter Comparison

Parameter	AD8027ARTZ-REEL	AD8027ARTZ-REEL7	ADA4807-1ARJZ-R7	LT6230CS6#TRMPBF	LMH6611MKE/NOPB
Manufacturer	Analog Devices	Analog Devices	Analog Devices	Analog Devices	Texas Instruments
Product Status	Obsolete	Active	Active	Active	Active
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	General Purpose	General Purpose
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	100	100	225	70	460
-3dB Bandwidth (MHz)	190	190	180	—	365
Current - Input Bias (µA)	4	4	1.2	5	6.5
Voltage - Input Offset (µV)	200	200	140	100	74
Current - Supply (mA)	6.5	6.5	1	3.3	3.3
Current - Output / Channel (mA)	120	120	80	30	120
Voltage - Supply Span Min (V)	2.7	2.7	2.7	3	2.7
Voltage - Supply Span Max (V)	12	12	11	12.6	11
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 125	0 to 70	-40 to 125
Package / Case	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6 Thin (TSOT-23-6)	SOT-23-6 Thin (TSOT-23-6)
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: AD8027ARTZ-REEL7

The AD8027ARTZ-REEL7 is the direct active equivalent manufactured by Analog Devices Inc. This part maintains identical electrical specifications to the obsolete AD8027ARTZ-REEL while offering active product status, ROHS3 compliance, and REACH unaffected certification. The packaging variant (Cut Tape & Digi-Reel) ensures supply chain availability with 20,465 units in stock. This substitution requires no circuit redesign and provides pin-for-pin compatibility.

Secondary Recommendation: ADA4807-1ARJZ-R7

The ADA4807-1ARJZ-R7 offers enhanced performance characteristics including 2.25× higher slew rate (225 V/µs versus 100 V/µs) and significantly reduced supply current (1 mA versus 6.5 mA). This device maintains compatible supply voltage range (2.7 V to 11 V), operating temperature span (-40°C to 125°C), and SOT-23-6 packaging. The trade-off involves slightly reduced output current capability (80 mA versus 120 mA) and marginally lower maximum supply voltage (11 V versus 12 V). This substitution is suitable for applications where power consumption reduction and faster transient response are beneficial.

Tertiary Recommendation: LMH6611MKE/NOPB

The LMH6611MKE/NOPB from Texas Instruments provides the highest slew rate (460 V/µs) and widest -3dB bandwidth (365 MHz) among available substitutes. This device maintains 120 mA output current capability, matching the original specification. Supply voltage compatibility spans 2.7 V to 11 V with full -40°C to 125°C operating temperature range. ROHS3 compliance and REACH unaffected status are confirmed. The LMH6611 family exhibits lower input offset voltage (74 µV) and improved input bias current characteristics. This substitution is appropriate for high-speed signal conditioning applications.

Alternative Consideration: LT6230 Series

The LT6230 family (LT6230CS6#TRMPBF, LT6230CS6#TRPBF, LT6230IS6#TR, LT6230IS6#TRMPBF, LT6230IS6#TRPBF) offers reduced supply current (3.3 mA) and lower input offset voltage (100 µV). However, these devices exhibit reduced slew rate (70 V/µs), lower output current capability (30 mA), and narrower operating temperature range (0°C to 70°C for commercial variants, -40°C to 85°C for industrial variants). The LT6230 series is suitable only for applications where the reduced output current and temperature range constraints are acceptable.

Frequently Asked Questions (FAQ)

Q: Can AD8027ARTZ-REEL7 be used as a direct replacement for AD8027ARTZ-REEL?

A: Yes. The AD8027ARTZ-REEL7 is the active production equivalent of the obsolete AD8027ARTZ-REEL. Both devices share identical electrical specifications, pin configuration, and SOT-23-6 packaging. The primary difference is product status (active versus obsolete) and packaging format (Digi-Reel versus standard reel). No circuit modifications are required.

Q: What are the key differences between AD8027ARTZ-REEL and ADA4807-1ARJZ-R7?

A: The ADA4807-1ARJZ-R7 provides superior slew rate performance (225 V/µs versus 100 V/µs) and significantly lower supply current consumption (1 mA versus 6.5 mA). The ADA4807 exhibits reduced output current capability (80 mA versus 120 mA) and operates at a maximum supply voltage of 11 V compared to 12 V for the AD8027. Both devices maintain compatible operating temperature ranges and SOT-23-6 packaging. Selection depends on whether power efficiency or output current capacity is the priority.

Q: Is the LT6230 series suitable as a substitute for the AD8027ARTZ-REEL?

A: The LT6230 series shares rail-to-rail output architecture and SOT-23-6 packaging but exhibits significant performance trade-offs. The LT6230 operates at reduced slew rate (70 V/µs), provides lower output current (30 mA), and the commercial temperature variant (0°C to 70°C) does not cover the full industrial temperature range of the original device. The LT6230 is appropriate only for applications where these limitations are acceptable.

Q: Why does the LMH6611MKE/NOPB have higher slew rate than the AD8027ARTZ-REEL?

A: The LMH6611 is designed as a general-purpose amplifier with enhanced transient response characteristics. The 460 V/µs slew rate reflects a different design optimization targeting high-speed signal processing applications. This higher performance comes with identical output current capability (120 mA) and maintains full compatibility with the original supply voltage and temperature specifications.

Q: Are all substitute parts ROHS3 compliant?

A: All active substitute parts listed (AD8027ARTZ-REEL7, ADA4807-1ARJZ-R7, LT6230 variants, and LMH6611 variants) are confirmed ROHS3 compliant. The original AD8027ARTZ-REEL does not specify RoHS status due to its obsolete classification. All substitutes are also REACH unaffected.

Q: What is the difference between SOT-23-6 and TSOT-23-6 packaging?

A: TSOT-23-6 denotes a thin variant of the SOT-23-6 package. Both form factors are mechanically and electrically compatible for surface mount applications. The thin variant (TSOT-23-6) offers reduced height, which may be beneficial in space-constrained designs. Pin configuration and electrical interface remain identical.

Q: Can I use LMH6611MK/NOPB instead of LMH6611MKE/NOPB?

A: The LMH6611MK/NOPB and LMH6611MKE/NOPB share identical electrical specifications and performance characteristics. The primary difference is packaging format (Tape & Reel versus Cut Tape & Digi-Reel). Both are suitable substitutes for the AD8027ARTZ-REEL. Selection depends on procurement and assembly requirements.

Q: What is the maximum output current I can draw from each substitute?

A: AD8027ARTZ-REEL7 and LMH6611 variants support 120 mA output current per channel. ADA4807-1ARJZ-R7 supports 80 mA. LT6230 variants support only 30 mA. Applications requiring output currents exceeding 30 mA must use either the AD8027ARTZ-REEL7, ADA4807-1ARJZ-R7, or LMH6611 family.

Q: Which substitute offers the lowest power consumption?

A: The ADA4807-1ARJZ-R7 provides the lowest supply current at 1 mA, representing an 85% reduction compared to the original AD8027ARTZ-REEL (6.5 mA). The LT6230 and LMH6611 families consume 3.3 mA each. Selection of the ADA4807 is appropriate for battery-powered or power-constrained applications.

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