OPA4830IPWR Equivalent & Substitute Parts

Part Overview

The OPA4830IPWR is a voltage feedback operational amplifier manufactured by Texas Instruments, configured as a 4-circuit integrated circuit in a 14-TSSOP surface mount package. This device is classified as Active product status and is designed for applications requiring rail-to-rail output capability with high-speed signal processing. The OPA4830IPWR operates across a supply voltage range of 2.8 V to 11 V and is suitable for precision analog signal conditioning, filtering, and amplification circuits. Equivalent and substitute parts are identified based on matching electrical performance parameters, package compatibility, and functional equivalence within the voltage feedback amplifier category.

Key Parameters

Parameter	Value	Unit
Manufacturer	Texas Instruments	—
Part Number	OPA4830IPWR	—
Category	Linear, Amplifiers	—
Amplifier Type	Voltage Feedback	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	560	V/µs
Gain Bandwidth Product	110	MHz
-3dB Bandwidth	280	MHz
Current - Input Bias	5	µA
Voltage - Input Offset	2	mV
Current - Supply	17	mA
Current - Output / Channel	82	mA
Voltage - Supply Span (Min)	2.8	V
Voltage - Supply Span (Max)	11	V
Operating Temperature	-40 to 85	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	2 (1 Year)	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitute parts for the OPA4830IPWR are selected based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Amplifier Type: Voltage Feedback
Number of Circuits: 4
Output Type: Rail-to-Rail
Package / Case: 14-TSSOP or compatible surface mount packages
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 2.7 V to 3 V; Maximum 11 V to 12 V
Operating Temperature Range: -40°C minimum; 85°C or higher maximum
RoHS Compliance: ROHS3 Compliant

Performance Parameters for Substitution:

Slew Rate: 190 V/µs or higher
Gain Bandwidth Product: 70 MHz or higher
-3dB Bandwidth: 105 MHz or higher
Current - Input Bias: 2 µA or lower
Voltage - Input Offset: 1.8 mV or lower
Current - Output / Channel: 30 mA or higher
Current - Supply: 2.875 mA per channel or lower

Substitute parts are grouped into two categories: (1) Direct package equivalents in 14-TSSOP configuration, and (2) Alternative surface mount packages (14-SOIC, 14-DIP) that maintain electrical compatibility with circuit board redesign considerations.

Parameter Comparison

Parameter	OPA4830IPWR	AD8054ARUZ-REEL7	AD8054ARZ	ADA4851-4WYRUZ-R7	AD8044ARZ-14
Manufacturer	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback
Number of Circuits	4	4	4	4	4
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	14-TSSOP	14-SOIC	14-SOIC	14-TSSOP	14-SOIC
Slew Rate (V/µs)	560	190	190	375	190
Gain Bandwidth Product (MHz)	110	—	—	70	—
-3dB Bandwidth (MHz)	280	160	160	105	160
Current - Input Bias (µA)	5	2	2	2.2	2
Voltage - Input Offset (mV)	2	1.8	1.8	0.6	1.4
Current - Supply (mA)	17	2.875 (x4)	2.875 (x4)	2.9 (x4)	11.5
Current - Output / Channel (mA)	82	30	30	83	30
Voltage - Supply Span (Min)	2.8 V	3 V	3 V	2.7 V	3 V
Voltage - Supply Span (Max)	11 V	12 V	12 V	12 V	12 V
Operating Temperature	-40 to 85°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Package Equivalent (14-TSSOP):

The ADA4851-4WYRUZ-R7 is the primary substitute for the OPA4830IPWR when 14-TSSOP package compatibility is required. Both devices are surface mount, 4-circuit voltage feedback amplifiers with rail-to-rail output. The ADA4851-4WYRUZ-R7 operates across a supply voltage range of 2.7 V to 12 V, which encompasses the OPA4830IPWR operating range. The ADA4851-4WYRUZ-R7 exhibits a slew rate of 375 V/µs, which is lower than the OPA4830IPWR (560 V/µs) but remains suitable for general-purpose signal conditioning applications. Input bias current is 2.2 µA compared to 5 µA, and input offset voltage is 600 µV compared to 2 mV, both representing improved performance characteristics. The ADA4851-4WYRUZ-R7 is ROHS3 compliant with MSL 1 (Unlimited) rating and Active product status.

Alternative Surface Mount Packages (14-SOIC):

The AD8054ARZ-REEL7 and AD8054ARZ are voltage feedback amplifiers in 14-SOIC package configuration. These devices maintain electrical compatibility with the OPA4830IPWR but require PCB layout modification due to different package footprint. The AD8054 series operates across 3 V to 12 V supply range with slew rate of 190 V/µs, -3dB bandwidth of 160 MHz, and input bias current of 2 µA. Current output per channel is 30 mA. Both variants are ROHS3 compliant with MSL 1 (Unlimited) and Active product status. The AD8054ARZ-REEL7 is available in Cut Tape & Digi-Reel packaging with 27,722 units in stock inventory.

Voltage Feedback Amplifier with Extended Temperature Range (14-SOIC):

The AD8044ARZ-14 is a voltage feedback amplifier in 14-SOIC package with operating temperature range of -40°C to 85°C, matching the OPA4830IPWR temperature specification. This device operates across 3 V to 12 V supply range with slew rate of 190 V/µs and -3dB bandwidth of 160 MHz. Input bias current is 2 µA and input offset voltage is 1.4 mV. Current output per channel is 30 mA. The AD8044ARZ-14 is ROHS3 compliant with MSL 1 (Unlimited) and Active product status.

Selection Criteria Summary:

All substitute parts listed maintain Active product status and ROHS3 compliance. Selection between substitutes depends on: (1) package footprint requirements (14-TSSOP vs. 14-SOIC), (2) supply voltage constraints, (3) slew rate and bandwidth requirements, (4) output current capability, and (5) operating temperature range. The ADA4851-4WYRUZ-R7 is recommended for direct pin-compatible replacement in 14-TSSOP applications. The AD8054 series is recommended for applications where lower supply current consumption is prioritized. The AD8044ARZ-14 is recommended for applications requiring matched temperature operating range.

Frequently Asked Questions (FAQ)

Q1: Can the ADA4851-4WYRUZ-R7 be used as a direct replacement for the OPA4830IPWR?

A: The ADA4851-4WYRUZ-R7 is functionally equivalent in 14-TSSOP package configuration. Both devices are 4-circuit voltage feedback amplifiers with rail-to-rail output. Pin-to-pin compatibility exists for the 14-TSSOP package. However, the ADA4851-4WYRUZ-R7 has lower slew rate (375 V/µs vs. 560 V/µs) and lower supply current (2.9 mA per channel vs. 17 mA total). Circuit performance must be evaluated for applications requiring the higher slew rate specification of the OPA4830IPWR.

Q2: What is the difference between AD8054ARZ and AD8054ARZ-REEL7?

A: Both parts are electrically identical voltage feedback amplifiers in 14-SOIC package. The primary difference is packaging format: AD8054ARZ is supplied in Tube packaging, while AD8054ARZ-REEL7 is supplied in Cut Tape & Digi-Reel format. The AD8054ARZ-REEL7 variant has significantly higher inventory availability (27,722 units vs. 4,316 units). Selection depends on assembly line requirements and tape-and-reel compatibility with automated pick-and-place equipment.

Q3: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed are ROHS3 compliant. The OPA4830IPWR is also ROHS3 compliant. REACH status is Unaffected for all parts. All devices are suitable for applications requiring environmental compliance with European Union directives.

Q4: What is the significance of MSL (Moisture Sensitivity Level) rating?

A: The OPA4830IPWR has MSL 2 (1 Year) rating, indicating moisture sensitivity with a 1-year floor life after packaging. All substitute parts have MSL 1 (Unlimited) rating, indicating lower moisture sensitivity with unlimited floor life. MSL 1 rating provides greater flexibility in storage and handling without requiring baking procedures before reflow soldering.

Q5: Can AD8054 series parts be used in applications requiring higher slew rate?

A: The AD8054 series has slew rate of 190 V/µs, which is lower than the OPA4830IPWR (560 V/µs). For applications requiring high-speed transient response or fast signal switching, the AD8054 series may not be suitable. The ADA4851-4WYRUZ-R7 with 375 V/µs slew rate provides intermediate performance. Application-specific circuit simulation is required to determine slew rate adequacy.

Q6: What are the package footprint differences between 14-TSSOP and 14-SOIC?

A: The 14-TSSOP package has width of 0.173" (4.40mm), while the 14-SOIC package has width of 0.154" (3.90mm). These are different surface mount package outlines requiring different PCB footprints and land patterns. Direct physical substitution on existing PCBs is not possible without layout modification. Pin numbering and signal assignments are identical between packages.

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

A: The ADA4851-4WYRUZ-R7 has input offset voltage of 600 µV (0.6 mV), which is the lowest among all substitute parts listed. This represents superior precision compared to the OPA4830IPWR (2 mV). The ADA4851-4WYRUZ-R7 is recommended for precision analog signal conditioning applications where input offset voltage minimization is critical.

Q8: Are there supply voltage compatibility concerns when substituting parts?

A: The OPA4830IPWR operates across 2.8 V to 11 V. Most substitute parts operate across 2.7 V to 12 V or 3 V to 12 V. The AD8054 and AD8044 series require minimum 3 V supply, which is 0.2 V higher than the OPA4830IPWR minimum. For applications operating at 2.8 V to 2.9 V supply voltage, the ADA4851-4WYRUZ-R7 (2.7 V minimum) is the appropriate substitute. For applications at 3 V or higher, all substitute parts are compatible.

Q9: What is the inventory status of substitute parts?

A: AD8054ARZ-REEL7 has the highest inventory availability with 27,722 units in stock. ADA4851-4WYRUZ-R7 has 3,403 units. AD8054ARZ has 4,316 units. AD8044ARZ-14 has 1,593 units. AD8040 series parts have lower inventory levels. For high-volume procurement, the AD8054ARZ-REEL7 is recommended based on availability.

Q10: Can the AD8040 series general-purpose amplifiers be used as substitutes?

A: The AD8040 series are general-purpose amplifiers, not voltage feedback amplifiers. While they are 4-circuit rail-to-rail amplifiers in compatible packages, they have significantly different electrical characteristics (63 V/µs slew rate, 125 MHz bandwidth, 700 nA input bias current). The AD8040 series are not recommended as direct substitutes for the OPA4830IPWR voltage feedback amplifier applications. Use is limited to applications where general-purpose amplifier characteristics are acceptable.

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