OPA2889IDR Equivalent & Substitute Parts

Part Overview

The OPA2889IDR is a dual-channel voltage feedback amplifier manufactured by Texas Instruments in 8-SOIC surface mount packaging. This device operates across a supply voltage range of 2.6V to 12V with a slew rate of 250V/µs and gain bandwidth product of 75 MHz. The OPA2889IDR is classified as an active product with full RoHS3 compliance and REACH unaffected status. Equivalent and substitute parts are identified based on matching electrical performance parameters, mechanical compatibility, and operational specifications within the 8-SOIC package form factor.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	Channels
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	250	V/µs
Gain Bandwidth Product	75	MHz
-3dB Bandwidth	115	MHz
Current - Input Bias	150	nA
Voltage - Input Offset	1.5	mV
Current - Supply (x2 Channels)	920	µA
Current - Output / Channel	60	mA
Voltage - Supply Span (Min)	2.6	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40 to 85	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitute parts for the OPA2889IDR are selected based on the following criteria:

Primary Compatibility Factors:

Package type: 8-SOIC surface mount form factor (0.154", 3.90mm width)
Dual-channel voltage feedback amplifier architecture
Operating temperature range: -40°C to 85°C minimum
Supply voltage overlap: minimum 2.6V to 12V range
RoHS3 compliance and REACH unaffected status

Electrical Performance Considerations: Substitutes are grouped by performance tier relative to the OPA2889IDR baseline (250V/µs slew rate, 75 MHz gain bandwidth product, 115 MHz -3dB bandwidth):

Higher Performance Tier: Parts with slew rates ≥550V/µs and gain bandwidth products ≥200 MHz (LMH6628MA/NOPB, LMH6628MAX/NOPB, LMH6682MA/NOPB)
Comparable Performance Tier: Parts with slew rates 200-250V/µs and gain bandwidth products 75-260 MHz (LMH6622MA/NOPB, LMH6622MAX/NOPB, LMH6655MA/NOPB, LMH6655MAX/NOPB)
Rail-to-Rail Output Tier: Parts with enhanced output swing capability (LMH6658MA/NOPB, LMH6658MAX/NOPB)
Extended Temperature Tier: Parts rated to -40°C to 105°C (AD8039SRZ-EPR7)

All substitute parts maintain the 8-SOIC package, dual-channel configuration, and surface mount mounting type. Substitution feasibility depends on application-specific requirements for slew rate, bandwidth, input bias current, and supply voltage range.

Parameter Comparison

Part Number	Manufacturer	Slew Rate (V/µs)	GBW (MHz)	-3dB BW (MHz)	Input Bias (nA/µA)	Input Offset (mV/µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Output Type
OPA2889IDR	Texas Instruments	250	75	115	150 nA	1.5 mV	0.92	60	2.6	12	-40 to 85	—
LMH6622MA/NOPB	Texas Instruments	85	—	160	4.7 µA	200 µV	4.3	90	5	12	-40 to 85	Differential
LMH6622MAX/NOPB	Texas Instruments	85	—	160	4.7 µA	200 µV	4.3	90	5	12	-40 to 85	Differential
LMH6628MA/NOPB	National Semiconductor	550	200	300	700 nA	500 µV	9	85	5	12	-40 to 85	—
LMH6628MAX/NOPB	Texas Instruments	550	200	300	700 nA	500 µV	9	85	5	12	-40 to 85	—
LMH6655MA/NOPB	Texas Instruments	200	260	—	5 µA	1 mV	4.5	120	4.5	12	-40 to 85	—
LMH6655MAX/NOPB	Texas Instruments	200	260	—	5 µA	1 mV	4.5	120	4.5	12	-40 to 85	—
LMH6658MA/NOPB	National Semiconductor	700	140	270	5 µA	1 mV	6.5	110	3	12	-40 to 85	Rail-to-Rail
LMH6658MAX/NOPB	Texas Instruments	700	140	270	5 µA	1 mV	6.5	110	3	12	-40 to 85	Rail-to-Rail
LMH6682MA/NOPB	Texas Instruments	940	120	190	5 µA	1 mV	6.5	85	3	12	-40 to 85	—
AD8039SRZ-EPR7	Analog Devices Inc.	425	—	350	400 nA	500 µV	1	—	3	12	-40 to 105	—

Engineering Selection Recommendations

Packaging Compatibility: All substitute parts are available in 8-SOIC surface mount packaging with identical mechanical dimensions (0.154", 3.90mm width). Substitution does not require PCB layout modifications.

Compliance & Certification: All listed substitute parts maintain RoHS3 compliance and REACH unaffected status, matching the OPA2889IDR regulatory profile. Moisture sensitivity levels vary between MSL 1 (unlimited shelf life) and MSL 2 (1 year), with most substitutes offering superior MSL ratings.

Supply Voltage Considerations: The OPA2889IDR operates from 2.6V minimum supply. Substitutes LMH6622MA/NOPB, LMH6622MAX/NOPB, LMH6628MA/NOPB, and LMH6628MAX/NOPB require minimum 5V supply. Substitutes LMH6658MA/NOPB, LMH6658MAX/NOPB, LMH6682MA/NOPB, and AD8039SRZ-EPR7 operate from 3V minimum, providing broader compatibility with low-voltage applications.

Performance Tier Selection:

For applications requiring slew rate and bandwidth matching the OPA2889IDR baseline, select LMH6655MA/NOPB or LMH6655MAX/NOPB.
For high-speed applications requiring slew rates ≥550V/µs, select LMH6628MA/NOPB, LMH6628MAX/NOPB, or LMH6682MA/NOPB.
For rail-to-rail output swing requirements, select LMH6658MA/NOPB or LMH6658MAX/NOPB.
For extended operating temperature to 105°C, select AD8039SRZ-EPR7.

Packaging Format: OPA2889IDR is supplied in Tape & Reel (TR) format. Substitute availability varies: LMH6622MA/NOPB and LMH6655MA/NOPB are supplied in Tube; LMH6622MAX/NOPB, LMH6628MAX/NOPB, LMH6655MAX/NOPB, LMH6658MAX/NOPB are supplied in Tape & Reel; LMH6628MA/NOPB and LMH6658MA/NOPB are supplied in Bulk; AD8039SRZ-EPR7 is supplied in Tape & Reel.

Frequently Asked Questions (FAQ)

Q: Can LMH6622MA/NOPB directly replace OPA2889IDR in all applications?

A: LMH6622MA/NOPB shares the 8-SOIC package and dual-channel voltage feedback architecture. However, it requires minimum 5V supply (versus OPA2889IDR's 2.6V minimum), features differential output (versus standard output), and has lower slew rate (85V/µs versus 250V/µs). Direct substitution is valid only for applications with ≥5V supply and differential output compatibility.

Q: What is the key difference between LMH6628MA/NOPB and LMH6628MAX/NOPB?

A: Both parts are electrically identical with 550V/µs slew rate and 200 MHz gain bandwidth product. The primary difference is packaging format: LMH6628MA/NOPB is supplied in Bulk; LMH6628MAX/NOPB is supplied in Tape & Reel (TR). Selection depends on procurement and assembly requirements.

Q: Is AD8039SRZ-EPR7 suitable for OPA2889IDR replacement in low-voltage applications?

A: AD8039SRZ-EPR7 operates from 3V minimum supply and features 425V/µs slew rate and 350 MHz -3dB bandwidth, exceeding OPA2889IDR performance. It is suitable for low-voltage applications requiring extended temperature operation to 105°C. However, output current capability is not specified in the provided data.

Q: Why do some substitutes have higher supply current than OPA2889IDR?

A: Higher supply current reflects increased performance capabilities. LMH6628MA/NOPB and LMH6628MAX/NOPB draw 9mA (versus OPA2889IDR's 0.92mA) due to 550V/µs slew rate and 200 MHz bandwidth. LMH6658MA/NOPB and LMH6658MAX/NOPB draw 6.5mA due to rail-to-rail output stage and 700V/µs slew rate. Application power budget must accommodate these differences.

Q: Can LMH6655MA/NOPB and LMH6655MAX/NOPB be used interchangeably?

A: Yes. Both parts are electrically identical with 200V/µs slew rate, 260 MHz gain bandwidth product, and -40°C to 85°C operating range. The difference is packaging format: LMH6655MA/NOPB is supplied in Tube; LMH6655MAX/NOPB is supplied in Tape & Reel (TR). Selection depends on assembly process requirements.

Q: What is the significance of MSL (Moisture Sensitivity Level) rating differences?

A: OPA2889IDR has MSL 2 (1 Year shelf life); most substitutes have MSL 1 (Unlimited shelf life). MSL 1 parts offer superior moisture protection and longer storage capability without baking requirements. This is advantageous for inventory management and supply chain flexibility.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant and REACH unaffected, matching OPA2889IDR regulatory status. This ensures compatibility with environmental and regulatory requirements across all markets.

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