OPA4830IPW Equivalent & Substitute Parts

Part Overview

The OPA4830IPW is a voltage feedback operational amplifier manufactured by Texas Instruments, configured as a 4-circuit rail-to-rail IC in 14-TSSOP surface mount packaging. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The OPA4830IPW serves applications requiring high-speed voltage feedback amplification with rail-to-rail output capability across a 2.8V to 11V supply range. Equivalent and substitute parts are necessary due to product status transition and to ensure design flexibility for procurement and long-term supply chain continuity.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
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
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitution logic for the OPA4830IPW is based on the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: Voltage Feedback
Number of Circuits: 4
Output Type: Rail-to-Rail
Package / Case: 14-TSSOP surface mount
Mounting Type: Surface Mount

Secondary Compatibility Parameters:

Voltage Supply Range: Minimum 2.8V, Maximum 11V (or compatible overlap)
Operating Temperature Range: -40°C to 85°C (or extended range)
Current Output per Channel: 82 mA (or higher)
Input Bias Current: 5 µA (or lower for improved performance)

Substitute parts are grouped into two categories:

Category 1: Direct Electrical Equivalents (Texas Instruments OPA4830 Series) OPA4830IPWR shares identical electrical specifications with OPA4830IPW, differing only in packaging format (Cut Tape & Digi-Reel® versus Tube). This part maintains full parameter compatibility and is the primary recommended substitute.

Category 2: Functional Equivalents (Analog Devices ADA4851 Series) ADA4851-4YRUZ, ADA4851-4YRUZ-RL, ADA4851-4WYRUZ-R7, and ADA4851-4YRUZ-RL7 are voltage feedback 4-circuit rail-to-rail amplifiers in 14-TSSOP packaging. These parts operate within compatible supply ranges and temperature specifications, with trade-offs in slew rate (375V/µs versus 560V/µs) and gain bandwidth product (70 MHz versus 110 MHz).

Category 3: Alternative Performance Profile (Analog Devices AD8054ARUZ) AD8054ARUZ is a voltage feedback 4-circuit rail-to-rail amplifier with reduced slew rate (190V/µs) and lower output current per channel (30 mA), suitable for applications with relaxed bandwidth requirements.

Category 4: General Purpose Alternative (Analog Devices AD8040WARUZ-REEL7) AD8040WARUZ-REEL7 is a general purpose 4-circuit rail-to-rail amplifier with significantly lower slew rate (63V/µs) and reduced supply current, applicable only to low-frequency applications.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	-3dB BW (MHz)	Input Bias (µA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Product Status	Packaging
OPA4830IPW	Texas Instruments	Voltage Feedback	560	110	280	5	2	17	82	2.8	11	-40 to 85	Last Time Buy	Tube
OPA4830IPWR	Texas Instruments	Voltage Feedback	560	110	280	5	2	17	82	2.8	11	-40 to 85	Active	Cut Tape & Digi-Reel®
ADA4851-4YRUZ	Analog Devices Inc.	Voltage Feedback	375	70	105	2.2	0.6	2.9	83	2.7	12	-40 to 125	Active	Tube
ADA4851-4YRUZ-RL	Analog Devices Inc.	Voltage Feedback	375	70	105	2.2	0.6	2.9	83	2.7	12	-40 to 125	Active	Cut Tape & Digi-Reel®
ADA4851-4WYRUZ-R7	Analog Devices Inc.	Voltage Feedback	375	70	105	2.2	0.6	2.9	83	2.7	12	-40 to 125	Active	Cut Tape & Digi-Reel®
ADA4851-4YRUZ-RL7	Analog Devices Inc.	Voltage Feedback	375	70	105	2.2	0.6	2.9	83	2.7	12	-40 to 125	Active	Cut Tape & Digi-Reel®
AD8054ARUZ	Analog Devices Inc.	Voltage Feedback	190	—	160	2	1.8	2.875	30	3	12	-40 to 125	Active	Tube
AD8040WARUZ-REEL7	Analog Devices Inc.	General Purpose	63	—	125	0.7	1.6	1.4	170	2.7	12	-40 to 125	Active	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Recommendation: OPA4830IPWR

OPA4830IPWR is the direct electrical equivalent of OPA4830IPW with identical performance specifications across all measured parameters. The only difference is packaging format: OPA4830IPWR is supplied in Cut Tape & Digi-Reel® format instead of Tube. This part maintains Active product status with significantly higher inventory availability (30,514 pieces versus 2,476 pieces). Selection of OPA4830IPWR eliminates any performance trade-offs and ensures seamless design compatibility. Both parts are ROHS3 Compliant and REACH Unaffected.

Secondary Recommendation: ADA4851-4YRUZ, ADA4851-4YRUZ-RL, ADA4851-4WYRUZ-R7, or ADA4851-4YRUZ-RL7

The ADA4851 series (all variants) provides functional equivalence with the following characteristics:

Voltage feedback amplifier topology with 4 circuits in 14-TSSOP packaging
Rail-to-rail output operation
Supply voltage range 2.7V to 12V (compatible with OPA4830IPW 2.8V to 11V range)
Extended operating temperature range (-40°C to 125°C versus -40°C to 85°C)
Active product status with robust inventory levels
ROHS3 Compliant and REACH Unaffected

Performance trade-offs include reduced slew rate (375V/µs versus 560V/µs) and lower gain bandwidth product (70 MHz versus 110 MHz). These parts are suitable for applications where bandwidth requirements are below 70 MHz. Output current per channel (83 mA) is comparable to OPA4830IPW (82 mA). Supply current is significantly lower (2.9 mA versus 17 mA), providing power efficiency benefits. Input offset voltage is superior (600 µV versus 2 mV).

Packaging variants within the ADA4851 series allow selection based on procurement requirements: Tube (ADA4851-4YRUZ), Cut Tape & Digi-Reel® (ADA4851-4YRUZ-RL, ADA4851-4WYRUZ-R7, ADA4851-4YRUZ-RL7).

Tertiary Recommendation: AD8054ARUZ

AD8054ARUZ is a voltage feedback 4-circuit rail-to-rail amplifier suitable only for applications with moderate bandwidth requirements (160 MHz -3dB bandwidth). Slew rate is significantly reduced (190V/µs), and output current per channel is substantially lower (30 mA versus 82 mA). Supply voltage range is 3V to 12V, which does not fully overlap the OPA4830IPW minimum of 2.8V. This part is appropriate only when lower output current and reduced slew rate are acceptable trade-offs. Active product status and ROHS3 compliance are maintained.

Not Recommended: AD8040WARUZ-REEL7

AD8040WARUZ-REEL7 is a general purpose amplifier with performance characteristics fundamentally different from OPA4830IPW. Slew rate (63V/µs) and bandwidth (125 MHz) are insufficient for high-speed voltage feedback applications. This part is applicable only to low-frequency signal conditioning and is not suitable as a substitute for OPA4830IPW in bandwidth-critical designs.

Frequently Asked Questions (FAQ)

Q1: Can OPA4830IPWR be used as a direct replacement for OPA4830IPW in existing designs?

A: Yes. OPA4830IPWR is electrically identical to OPA4830IPW across all specified parameters: slew rate, gain bandwidth product, bandwidth, input bias current, input offset voltage, supply current, output current, and supply voltage range. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tube). No circuit modifications are required. Both parts use the same 14-TSSOP pinout and footprint.

Q2: What are the key performance differences between OPA4830IPW and ADA4851-4YRUZ?

A: The primary differences are slew rate and gain bandwidth product. OPA4830IPW provides 560V/µs slew rate and 110 MHz gain bandwidth product, while ADA4851-4YRUZ provides 375V/µs and 70 MHz respectively. ADA4851-4YRUZ offers superior input offset voltage (600 µV versus 2 mV) and significantly lower supply current (2.9 mA versus 17 mA). Both maintain 4-circuit rail-to-rail configuration in 14-TSSOP packaging. Selection depends on whether the application requires the higher bandwidth and slew rate of OPA4830IPW or can benefit from the lower power consumption of ADA4851-4YRUZ.

Q3: Is the supply voltage range compatible between OPA4830IPW and ADA4851 variants?

A: The supply ranges overlap substantially but are not identical. OPA4830IPW operates from 2.8V to 11V. ADA4851 variants operate from 2.7V to 12V. For applications requiring operation below 2.8V, ADA4851 variants provide slightly lower minimum voltage (2.7V). For applications requiring operation above 11V, ADA4851 variants support up to 12V. In the overlapping range (2.8V to 11V), both parts are compatible.

Q4: Why is OPA4830IPW marked as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of OPA4830IPW. Existing inventory is limited (2,476 pieces). OPA4830IPWR, the equivalent part in different packaging, maintains Active status with higher availability. For new designs or long-term supply requirements, OPA4830IPWR or functional equivalents such as ADA4851 variants are recommended.

Q5: Can AD8040WARUZ-REEL7 replace OPA4830IPW in high-speed applications?

A: No. AD8040WARUZ-REEL7 is a general purpose amplifier with slew rate of 63V/µs and -3dB bandwidth of 125 MHz, both significantly lower than OPA4830IPW specifications (560V/µs and 280 MHz). This part is suitable only for low-frequency applications and will not meet the performance requirements of designs dependent on OPA4830IPW's high-speed characteristics.

Q6: What is the difference between ADA4851-4YRUZ and ADA4851-4YRUZ-RL packaging?

A: Both parts are electrically identical. ADA4851-4YRUZ is supplied in Tube packaging, while ADA4851-4YRUZ-RL is supplied in Cut Tape & Digi-Reel® format. Selection depends on procurement and assembly requirements. Tube packaging is typically used for manual assembly or lower-volume production. Cut Tape & Digi-Reel® format is optimized for automated pick-and-place assembly.

Q7: Are all substitute parts ROHS3 compliant?

A: Yes. OPA4830IPWR, ADA4851-4YRUZ, ADA4851-4YRUZ-RL, ADA4851-4WYRUZ-R7, ADA4851-4YRUZ-RL7, and AD8054ARUZ are all ROHS3 Compliant. AD8040WARUZ-REEL7 is also ROHS3 Compliant. All parts are REACH Unaffected.

Q8: What is the moisture sensitivity level (MSL) difference between OPA4830IPW and substitute parts?

A: OPA4830IPW has MSL 2 (1 Year). ADA4851 variants and AD8054ARUZ have MSL 1 (Unlimited), indicating superior moisture resistance and longer shelf life. AD8040WARUZ-REEL7 also has MSL 1 (Unlimited). Lower MSL ratings provide greater flexibility in storage and handling.

Q9: Which substitute part offers the lowest power consumption?

A: ADA4851 variants (all packaging options) offer the lowest supply current at 2.9 mA total (approximately 0.725 mA per channel), compared to OPA4830IPW at 17 mA total. AD8040WARUZ-REEL7 provides even lower supply current at 1.4 mA total, but with significantly reduced bandwidth and slew rate unsuitable for high-speed applications.

Q10: Can multiple ADA4851 packaging variants be used interchangeably in the same design?

A: Yes. ADA4851-4YRUZ (Tube), ADA4851-4YRUZ-RL (Cut Tape & Digi-Reel®), ADA4851-4WYRUZ-R7 (Cut Tape & Digi-Reel®), and ADA4851-4YRUZ-RL7 (Cut Tape & Digi-Reel®) are electrically identical. Differences are limited to packaging format and reel configuration. Selection depends on assembly process requirements and procurement logistics, not circuit performance.

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