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SA5232D/01,112 Equivalent & Substitute Parts Reference
Part Overview
The SA5232D/01,112 is a general purpose operational amplifier manufactured by NXP USA Inc., configured as a dual-channel (2 circuit) rail-to-rail amplifier in an 8-SO surface mount package. This device is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design support and production continuity. The SA5232D/01,112 operates across a 2V to 5.5V supply range with a slew rate of 0.8V/µs and 2.5 MHz bandwidth, making it suitable for low-to-medium speed analog signal processing applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | NXP USA Inc. | — |
| Part Number | SA5232D/01,112 | — |
| Product Status | Obsolete | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 0.8 | V/µs |
| -3dB Bandwidth | 2.5 | MHz |
| Current - Input Bias | 25 | nA |
| Voltage - Input Offset | 200 | µV |
| Current - Supply (x2 Channels) | 1.4 | mA |
| Current - Output / Channel | 12 | mA |
| Voltage - Supply Span (Min) | 2 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the SA5232D/01,112 is determined by strict alignment of the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Dual-channel (2 circuit) configuration
- Rail-to-rail output capability
- 8-SOIC surface mount package (0.154", 3.90mm width)
- Supply voltage range compatibility (minimum 1.8V to 5.5V or better)
- Operating temperature range (minimum -40°C to 85°C or extended)
- RoHS3 compliance and MSL rating
Secondary Performance Parameters:
- Slew rate (0.8V/µs baseline; higher values acceptable)
- Bandwidth (2.5 MHz baseline; higher values acceptable)
- Input bias current (25 nA baseline; lower values acceptable)
- Input offset voltage (200 µV baseline; lower values acceptable)
- Supply current (1.4 mA baseline; lower values preferred)
- Output current per channel (12 mA baseline; higher values acceptable)
The substitute parts identified fall into two distinct performance tiers based on bandwidth and slew rate characteristics, allowing selection based on application requirements while maintaining package and pin compatibility.
Parameter Comparison
| Parameter | SA5232D/01,112 | ISL28213FBZ-T13 | ISL28213FBZ-T7 | ISL28214FBZ-T13 | ISL28230CBZ | ISL28230CBZ-T7 | ISL28230CBZ-T7A | ISL28230FBZ | ISL28230FBZ-T13 | ISL28230FBZ-T7 | ISL28230FBZ-T7A |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Renesas | Renesas | Renesas | Renesas | Renesas | Renesas | Renesas | Renesas | Renesas | Renesas |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Obsolete | Active | Active | Active | Active |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Slew Rate (V/µs) | 0.8 | 1 | 1 | 2.5 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Bandwidth (MHz) | 2.5 | 2 | 2 | 5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Input Bias Current (pA/nA) | 25 nA | 3 pA | 3 pA | 3 pA | 250 pA | 250 pA | 250 pA | 250 pA | 250 pA | 250 pA | 250 pA |
| Input Offset Voltage (µV) | 200 | 500 | 500 | 500 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Supply Current (µA, x2 Channels) | 1400 | 90 | 90 | 300 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Output Current / Channel (mA) | 12 | 22 | 22 | 31 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Supply Voltage Min (V) | 2 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Supply Voltage Max (V) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | 0 to 70 | 0 to 70 | 0 to 70 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 2 (1 Year) | 2 (1 Year) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Tier 1: Direct Performance Equivalents (ISL28213 Series)
The ISL28213FBZ-T13 and ISL28213FBZ-T7 from Renesas Electronics Corporation provide the closest performance match to the SA5232D/01,112 in terms of bandwidth (2 MHz) and slew rate (1 V/µs). Both variants are active products with extended operating temperature range (-40°C to 125°C), exceeding the original specification. These devices feature significantly lower input bias current (3 pA vs. 25 nA) and higher output current capability (22 mA vs. 12 mA per channel). The ISL28213 series is recommended for applications requiring bandwidth performance comparable to the original design with improved power efficiency (90 µA supply current vs. 1.4 mA).
Tier 2: Enhanced Performance Alternative (ISL28214FBZ-T13)
The ISL28214FBZ-T13 offers elevated performance specifications with 5 MHz bandwidth and 2.5 V/µs slew rate, suitable for applications requiring higher-speed signal processing. This device maintains full compatibility with the 8-SOIC package and supply voltage range while providing 31 mA output current per channel. The ISL28214 is an active product with extended temperature range and is appropriate for designs where performance headroom is beneficial.
Tier 3: Low-Power, Precision Alternative (ISL28230 Series)
The ISL28230 family (multiple packaging and temperature variants) represents a low-power, precision alternative with 400 kHz bandwidth and 0.2 V/µs slew rate. These devices are characterized by exceptionally low input offset voltage (5 µV vs. 200 µV) and minimal supply current (20 µA vs. 1.4 mA). The ISL28230 series is suitable for battery-powered or low-power applications where precision and power consumption are prioritized over bandwidth.
Active Product Recommendation:
For new designs and production continuity, the ISL28230FBZ-T7A is the preferred substitute, offering active product status, unlimited MSL rating, extended temperature range (-40°C to 125°C), and full RoHS3 compliance. This variant is available in high inventory (1136 pcs) and provides the optimal balance of performance, reliability, and supply chain stability.
Frequently Asked Questions (FAQ)
Q1: Can the ISL28230 series directly replace the SA5232D/01,112 in existing designs?
A: Yes, the ISL28230 series provides direct pin-compatible replacement in the 8-SOIC package. However, the significantly lower bandwidth (400 kHz vs. 2.5 MHz) and slew rate (0.2 V/µs vs. 0.8 V/µs) require circuit validation for applications dependent on higher-frequency response. The ISL28230 is suitable for DC-coupled and low-frequency signal conditioning applications.
Q2: What is the difference between ISL28213FBZ-T13 and ISL28213FBZ-T7?
A: Both variants are electrically identical with identical performance specifications. The difference is in packaging format: T13 denotes Tape & Reel (TR) packaging, while T7 denotes Cut Tape (CT) & Digi-Reel® packaging. Selection depends on assembly process requirements and inventory management preferences.
Q3: Why do ISL28230CBZ-T7 and ISL28230CBZ-T7A have different MSL ratings?
A: ISL28230CBZ-T7 carries MSL 2 (1 Year), while ISL28230CBZ-T7A carries MSL 2 (1 Year) as well. Both require controlled moisture exposure during storage. For applications with extended shelf life requirements or humid storage environments, the ISL28230FBZ variants with MSL 1 (Unlimited) are recommended.
Q4: Are all substitute parts RoHS3 compliant?
A: Yes, all identified substitute parts carry ROHS3 Compliant certification, matching the original SA5232D/01,112 specification. All devices are also REACH Unaffected and classified as EAR99 for export control purposes.
Q5: Which substitute offers the lowest power consumption?
A: The ISL28230 series offers the lowest supply current at 20 µA (x2 channels) compared to the SA5232D/01,112 at 1.4 mA. This represents a 70× reduction in quiescent current, making the ISL28230 optimal for battery-powered and energy-constrained applications.
Q6: Can the ISL28214FBZ-T13 be used in place of the SA5232D/01,112 for higher-speed applications?
A: Yes, the ISL28214FBZ-T13 provides enhanced bandwidth (5 MHz) and slew rate (2.5 V/µs) with full package compatibility. This device is suitable for applications requiring performance beyond the original specification, including audio signal processing and instrumentation circuits.
Q7: What is the inventory status of recommended substitutes?
A: ISL28230FBZ-T7A (1136 pcs), ISL28230FBZ-T7 (965 pcs), and ISL28230FBZ-T13 (1002 pcs) maintain substantial active inventory. ISL28213FBZ-T13 (985 pcs) and ISL28214FBZ-T13 (907 pcs) are also well-stocked. All recommended substitutes are active products with ongoing supply availability.
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