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A1322LUA-T Hall Effect Sensor Equivalent & Substitute Parts
Part Overview
The A1322LUA-T is a Hall Effect analog magnetic sensor manufactured by Allegro MicroSystems, designed for single-axis magnetic field detection with analog voltage output. This component operates within the 4.5V to 5.5V supply range and features temperature compensation for stable performance across -40°C to 150°C. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Allegro MicroSystems |
| Category | Magnetic Sensors |
| Technology | Hall Effect |
| Axis Configuration | Single |
| Output Type | Analog Voltage |
| Voltage Supply Range | 4.5V ~ 5.5V |
| Current Supply (Max) | 8mA |
| Current Output (Max) | 10mA |
| Bandwidth | 30kHz |
| Operating Temperature Range | -40°C ~ 150°C |
| Features | Temperature Compensated |
| Package Type | 3-SSIP |
| Mounting Type | Through Hole |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the A1322LUA-T is determined by strict alignment of the following critical parameters:
- Technology and sensing principle (Hall Effect)
- Axis configuration (Single-axis)
- Output signal type (Analog Voltage)
- Supply voltage compatibility (4.5V ~ 5.5V)
- Package and pinout compatibility (3-SSIP through-hole)
- Operating temperature range (-40°C ~ 150°C minimum)
- Temperature compensation feature
- RoHS and regulatory compliance status
The A1325LUA-T qualifies as a manufacturer-recommended substitute based on matching all core electrical and mechanical parameters within acceptable operational tolerances.
Parameter Comparison
| Parameter | A1322LUA-T (Main Part) | A1325LUA-T (Substitute) |
|---|---|---|
| Manufacturer | Allegro MicroSystems | Allegro MicroSystems |
| Technology | Hall Effect | Hall Effect |
| Axis Configuration | Single | Single |
| Output Type | Analog Voltage | Analog Voltage |
| Voltage Supply Range | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current Supply (Max) | 8mA | 9mA |
| Current Output (Max) | 10mA | 10mA |
| Bandwidth | 30kHz | 17kHz |
| Operating Temperature Range | -40°C ~ 150°C | -40°C ~ 150°C |
| Features | Temperature Compensated | Temperature Compensated |
| Package Type | 3-SSIP | 3-SSIP |
| Mounting Type | Through Hole | Through Hole |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The A1325LUA-T is the manufacturer-recommended substitute for the obsolete A1322LUA-T. Both components maintain identical supply voltage specifications, operating temperature range, package configuration, and regulatory compliance status. The A1325LUA-T is currently in active production with substantial inventory availability (20,400 pcs), ensuring supply chain continuity.
The A1325LUA-T exhibits a maximum supply current of 9mA compared to 8mA in the A1322LUA-T, and a reduced bandwidth specification of 17kHz versus 30kHz. These parameter variations remain within acceptable substitution tolerances for Hall Effect analog sensor applications where the primary functional requirements are single-axis magnetic field detection, analog voltage output, and temperature-compensated operation across the specified temperature range.
Both components carry ROHS3 compliance and REACH unaffected status, maintaining regulatory alignment for industrial and commercial applications.
Frequently Asked Questions (FAQ)
Q: Can the A1325LUA-T directly replace the A1322LUA-T in existing designs?
A: Yes. Both components share identical package type (3-SSIP), pinout configuration (3-SIP), mounting method (through-hole), and supply voltage range (4.5V ~ 5.5V). No PCB modifications are required for physical substitution.
Q: What are the key differences between these two parts?
A: The A1325LUA-T operates at a maximum supply current of 9mA versus 8mA for the A1322LUA-T, and provides a bandwidth of 17kHz compared to 30kHz. The A1325LUA-T is in active production status, whereas the A1322LUA-T is obsolete.
Q: Does the bandwidth difference affect compatibility?
A: Bandwidth specifications define the frequency response of the sensor output signal. The A1325LUA-T's 17kHz bandwidth is suitable for applications requiring magnetic field detection up to that frequency limit. Applications requiring response frequencies above 17kHz may require alternative component selection.
Q: Are there packaging options available for the A1325LUA-T?
A: The A1325LUA-T is available in Tape & Reel (TR) packaging format. The A1322LUA-T packaging format was not specified in available data.
Q: What is the supply current impact of using the A1325LUA-T?
A: The A1325LUA-T maximum supply current of 9mA is 1mA higher than the A1322LUA-T specification of 8mA. Power supply designs must accommodate this increased current draw to maintain stable operation.
Q: Are both parts RoHS compliant?
A: Yes. Both the A1322LUA-T and A1325LUA-T are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
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