Request Quote
(Ships tomorrow)
ALD2704ASAL Equivalent & Substitute Parts
Part Overview
The ALD2704ASAL is a CMOS amplifier integrated circuit manufactured by Advanced Linear Devices Inc., configured as a 2-circuit push-pull, rail-to-rail operational amplifier in an 8-SOIC surface mount package. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. This part is suitable for applications requiring low input bias current, low input offset voltage, and moderate slew rate performance within the specified supply voltage range of 6.5 V to 10 V.
Substitute parts are identified when equivalent functional performance can be achieved within the constraints of the 8-SOIC package format, dual-circuit configuration, and rail-to-rail output capability. Alternative devices may be selected based on application-specific requirements for supply voltage range, operating temperature, output current capability, and bandwidth characteristics.
Substiute Parts
Key Parameters
| Parameter | ALD2704ASAL Value | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 2 | — |
| Output Type | Push-Pull, Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Slew Rate | 5 | V/µs |
| Gain Bandwidth Product | 2.1 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 5 | mA |
| Current - Output / Channel | 15 | mA |
| Voltage - Supply Span (Min) | 6.5 | V |
| Voltage - Supply Span (Max) | 10 | V |
| Operating Temperature | 0 to 70 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the ALD2704ASAL are identified based on the following critical parameters that define functional equivalence:
Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB layout compatibility.
Circuit Configuration: All substitutes must provide dual-circuit (2-circuit) amplifier configuration to match the original part's functional density.
Output Architecture: All substitutes must feature rail-to-rail output capability to maintain signal swing characteristics across the supply voltage range.
Supply Voltage Range: Substitute parts must operate within or encompass the ALD2704ASAL supply range of 6.5 V to 10 V. Parts with extended supply ranges (such as 2.7 V to 12 V) remain compatible as they include the required operating window.
Electrical Performance Envelope: Substitutes are grouped by amplifier type classification (CMOS, General Purpose, or Buffer) and by key performance metrics including slew rate, bandwidth, input bias current, and output current capability. Parts with superior or equivalent specifications within these categories are considered functionally compatible.
Compliance Status: All substitute parts maintain RoHS3 compliance and MSL 1 (Unlimited) rating, ensuring environmental and reliability equivalence.
Parameter Comparison
| Parameter | ALD2704ASAL | AD8028ARZ | AD8030ARZ | MC33202VDR2G | OP279GSZ | OP291GSZ |
|---|---|---|---|---|---|---|
| Manufacturer | Advanced Linear Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | onsemi | Analog Devices Inc. | Analog Devices Inc. |
| Amplifier Type | CMOS | General Purpose | General Purpose | General Purpose | Buffer | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 |
| Output Type | Push-Pull, Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Slew Rate (V/µs) | 5 | 100 | 63 | 1 | 3 | 0.5 |
| Gain Bandwidth Product (MHz) | 2.1 | 190 | 125 | 2.2 | 5 | 3 |
| Current - Input Bias | 1 pA | 4 µA | 700 nA | 80 nA | 300 nA | 30 nA |
| Voltage - Input Offset (mV) | 1 | 0.2 | 1.6 | 8 | 4 | 0.08 |
| Current - Supply (mA) | 5 | 6.5 (x2 Ch) | 1.4 (x2 Ch) | 0.9 (x2 Ch) | — | 0.26 (x2 Ch) |
| Current - Output / Channel (mA) | 15 | 120 | 170 | 80 | 50 | 16 |
| Voltage - Supply Span (Min) | 6.5 V | 2.7 V | 2.7 V | 1.8 V | 4.5 V | 2.7 V |
| Voltage - Supply Span (Max) | 10 V | 12 V | 12 V | 12 V | 12 V | 12 V |
| Operating Temperature | 0 to 70°C | -40 to 125°C | -40 to 125°C | -55 to 125°C | -40 to 85°C | -40 to 125°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
AD8028ARZ / AD8028ARZ-REEL7 (Analog Devices Inc.)
The AD8028ARZ series provides general-purpose amplifier performance with significantly elevated slew rate (100 V/µs) and bandwidth (190 MHz) compared to the ALD2704ASAL. Supply voltage range extends from 2.7 V to 12 V, encompassing the ALD2704ASAL operating window. Output current per channel reaches 120 mA, providing enhanced drive capability. Input bias current is specified at 4 µA, which is higher than the ALD2704ASAL but remains within acceptable limits for general-purpose applications. Operating temperature range extends to -40°C to 125°C. Both tube and Digi-Reel packaging options are available. RoHS3 compliance and MSL 1 rating are maintained.
AD8030ARZ / AD8030ARZ-REEL / AD8030ARZ-REEL7 (Analog Devices Inc.)
The AD8030ARZ series offers general-purpose amplifier functionality with moderate slew rate (63 V/µs) and bandwidth (125 MHz). Supply voltage range spans 2.7 V to 12 V. Input bias current is specified at 700 nA, representing a middle ground between the ALD2704ASAL and higher-bias alternatives. Output current capability reaches 170 mA per channel. Supply current is reduced to 1.4 mA per channel pair, offering improved power efficiency. Operating temperature extends to -40°C to 125°C. Multiple packaging options (tube, Digi-Reel, and standard reel) are available with high inventory levels. RoHS3 and MSL 1 compliance confirmed.
MC33202VDR2G / NCV33202VDR2G (onsemi)
The MC33202VDR2G provides general-purpose amplifier performance with slew rate of 1 V/µs and gain bandwidth product of 2.2 MHz, closely matching the ALD2704ASAL bandwidth specification. Supply voltage range extends from 1.8 V to 12 V. Input bias current is 80 nA with input offset voltage of 8 mV. Output current per channel is 80 mA. Supply current is 900 µA per channel pair, representing low-power operation. Operating temperature range is -55°C to 125°C. The NCV33202VDR2G variant includes automotive-grade qualification (AEC-Q100). Both parts maintain RoHS3 and MSL 1 compliance.
OP279GSZ / OP279GSZ-REEL7 (Analog Devices Inc.)
The OP279GSZ is classified as a buffer amplifier with slew rate of 3 V/µs and gain bandwidth product of 5 MHz. Supply voltage range is 4.5 V to 12 V, which encompasses the ALD2704ASAL minimum requirement. Input bias current is 300 nA with input offset voltage of 4 mV. Output current per channel is 50 mA. Operating temperature range is -40°C to 85°C. This device is suitable for applications where buffer functionality and moderate bandwidth are required. RoHS3 and MSL 1 compliance are maintained.
OP291GSZ (Analog Devices Inc.)
The OP291GSZ is a general-purpose amplifier with low slew rate (0.5 V/µs) and gain bandwidth product of 3 MHz. Supply voltage range spans 2.7 V to 12 V. Input bias current is exceptionally low at 30 nA with input offset voltage of 80 µV, providing superior precision characteristics. Output current per channel is 16 mA. Supply current is 260 µA per channel pair, indicating ultra-low-power operation. Operating temperature extends to -40°C to 125°C. This device is optimized for precision, low-power applications. RoHS3 and MSL 1 compliance confirmed.
Frequently Asked Questions (FAQ)
Q: Can the AD8028ARZ directly replace the ALD2704ASAL in all applications?
A: The AD8028ARZ shares the same 8-SOIC package, dual-circuit configuration, and rail-to-rail output architecture. However, the AD8028ARZ exhibits significantly higher slew rate (100 V/µs versus 5 V/µs) and bandwidth (190 MHz versus 2.1 MHz). Applications sensitive to these performance differences must be evaluated individually. The AD8028ARZ supply voltage range (2.7 V to 12 V) encompasses the ALD2704ASAL range (6.5 V to 10 V), ensuring compatibility in this parameter.
Q: What is the primary difference between the AD8030ARZ and AD8028ARZ?
A: Both devices are general-purpose amplifiers in 8-SOIC packages with rail-to-rail output. The AD8028ARZ provides higher slew rate (100 V/µs) and bandwidth (190 MHz), while the AD8030ARZ offers moderate performance (63 V/µs slew rate, 125 MHz bandwidth) with significantly lower supply current (1.4 mA per channel pair versus 6.5 mA). The AD8030ARZ is preferred for power-constrained applications.
Q: Is the OP291GSZ suitable as a substitute for the ALD2704ASAL?
A: The OP291GSZ provides the same 8-SOIC package and dual-circuit configuration with rail-to-rail output. However, the OP291GSZ has substantially lower slew rate (0.5 V/µs versus 5 V/µs) and similar bandwidth (3 MHz versus 2.1 MHz). The OP291GSZ is optimized for precision applications with ultra-low input bias current (30 nA) and exceptionally low input offset voltage (80 µV). Substitution is appropriate only for applications where precision and low power consumption take priority over slew rate performance.
Q: What is the significance of the NCV33202VDR2G automotive qualification?
A: The NCV33202VDR2G carries AEC-Q100 automotive-grade qualification, indicating compliance with automotive reliability and environmental standards. This variant is suitable for automotive applications requiring certified component traceability. The commercial-grade MC33202VDR2G variant provides identical electrical specifications without automotive qualification.
Q: Can I use the OP279GSZ buffer amplifier as a substitute for the ALD2704ASAL general-purpose amplifier?
A: The OP279GSZ is classified as a buffer amplifier rather than a general-purpose amplifier. While both devices share the 8-SOIC package, dual-circuit configuration, and rail-to-rail output, the buffer architecture and performance characteristics (3 V/µs slew rate, 5 MHz bandwidth) differ from the ALD2704ASAL. Substitution is appropriate only for applications specifically requiring buffer functionality.
Q: Are all substitute parts available in multiple packaging options?
A: Packaging availability varies by part number. The AD8028ARZ, AD8030ARZ, and OP279GSZ are available in both tube and Digi-Reel (cut tape and reel) formats. The AD8030ARZ-REEL and AD8030ARZ-REEL7 variants specify reel packaging. The MC33202VDR2G and NCV33202VDR2G are supplied in cut tape and Digi-Reel format. Verify packaging availability with your supplier for specific procurement requirements.
Q: Do all substitute parts maintain the same RoHS and MSL compliance as the ALD2704ASAL?
A: All substitute parts listed maintain RoHS3 compliance and MSL 1 (Unlimited) rating, matching the ALD2704ASAL environmental and reliability certifications. This ensures equivalent compliance status for applications with environmental or reliability requirements.
Q: What is the impact of extended operating temperature ranges on substitution decisions?
A: The ALD2704ASAL operates from 0°C to 70°C. Most substitute parts extend this range to -40°C to 125°C, providing broader environmental coverage. If your application operates within the ALD2704ASAL temperature window, the extended range of substitute parts does not introduce compatibility issues. However, if your application requires operation below 0°C or above 70°C, substitute parts with extended ranges become necessary.
Q: How do input bias current differences affect circuit design?
A: The ALD2704ASAL specifies 1 pA input bias current, representing extremely low bias. Substitute parts range from 30 nA (OP291GSZ) to 4 µA (AD8028ARZ). Higher input bias current may require circuit design adjustments, particularly in high-impedance input applications. The OP291GSZ and MC33202VDR2G offer low-bias alternatives (30 nA and 80 nA respectively) for precision applications.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts