Part A
AM26LS32ACD
德州儀器
- Lifecycle
- Active
- Stock
- 5821 件
- Package
- SOIC-16
- Series
- 介面-驅動器、接收器、收發器
Replacement verdict
Compatible functional replacement candidate
The AM26LS32AIDR and AM26LS32ACD are functionally equivalent quad differential line receivers from the same AM26LS32A family, sharing identical logic function, channel count, supply voltage range, and SOIC-16 footprint. The primary distinction is the operating temperature range, with the AIDR variant rated for the industrial temperature range and the ACD variant rated for the commercial temperature range. Designers should confirm that the target application's thermal environment falls within the commercial range before substituting the ACD for the AIDR, but in all other functional respects the two parts are interchangeable.
Logic Function and Channel Count
High match
Package and Pinout
High match
Supply Voltage Range
High match
Operating Temperature Range
Validation required
Parts at a glance
Part B
AM26LS32AIDR
德州儀器
- Lifecycle
- Active
- Stock
- 1798 件
- Package
- SOIC-16
- Series
- 介面-驅動器、接收器、收發器
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AM26LS32AIDR | AM26LS32ACD | Why it matters |
|---|---|---|---|
| Function | Quadruple differential line receiver | Quadruple differential line receiver | Both devices perform the same core function, so they are functionally interchangeable in the same circuit role. |
| Number of Receivers | 4 | 4 | Matching receiver count ensures the same number of differential channels are available for the application. |
| Supply Voltage (Typical) | 5 V | 5 V | Identical supply requirements allow the parts to be used in the same power rail design without modification. |
| Receiver Input Type | Differential | Differential | Differential inputs provide common-mode noise immunity and are required for RS-422/RS-485 style signaling. |
| Output Type | 3-state | 3-state | Tri-state outputs allow multiple receivers to share a common bus without contention. |
| Operating Temperature Range | -40°C to 85°C | 0°C to 70°C | The industrial-grade temperature range of the AIDR version supports harsher environments, while the ACD version is limited to commercial temperature ranges. |
| Package / Mounting | SOIC-16 (surface mount) | SOIC-16 (surface mount) | Both use the same SOIC-16 footprint, so PCB layout compatibility is maintained between the two parts. |
| Input Sensitivity | ±200 mV | ±200 mV | Identical input sensitivity ensures the same noise margin and signal detection behavior in the receiving circuit. |
| Input Common-Mode Range | -7 V to +7 V | -7 V to +7 V | A wide common-mode range allows reliable reception even with ground potential differences between nodes. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AM26LS32ACD | AM26LS32AIDR |
|---|---|---|
| Part Status | Active | Active |
| Type | Receiver | Receiver |
| Protocol | RS422, RS423 | RS422, RS423 |
| Number of Drivers/Receivers | 0/4 | 0/4 |
| Receiver Hysteresis | 50 mV | 50 mV |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the AM26LS32AIDR and AM26LS32ACD?
Both are quad differential line receivers from Texas Instruments that meet the requirements of TIA/EIA-422-B and TIA/EIA-423-B, as well as ITU Recommendation V.10 and V.11. They are designed to receive balanced or unbalanced digital data over twisted-pair or parallel-wire lines and provide complementary outputs.
What is the main difference between the AM26LS32AIDR and AM26LS32ACD?
The primary difference is the package and temperature grade. The AM26LS32AIDR is supplied in an 16-pin SOIC package (D suffix) on tape and reel (R suffix) and is rated for the industrial temperature range of -40°C to 85°C (I suffix). The AM26LS32ACD is supplied in an 16-pin SOIC package (D suffix) in tube form and is rated for the commercial temperature range of 0°C to 70°C (C suffix).
Are the AM26LS32AIDR and AM26LS32ACD electrically identical?
Yes. Both devices share the same electrical characteristics and functional specifications, including input sensitivity of ±200 mV, common-mode input voltage range of -7 V to +7 V, and 3-state outputs. The differences are limited to temperature rating and packaging/shipping format.
Can the AM26LS32AIDR be used as a drop-in replacement for the AM26LS32ACD?
Yes, in most applications. Both use the same 16-pin SOIC (D) package with identical pinout, so the AM26LS32AIDR can replace the AM26LS32ACD on the same PCB footprint. The industrial temperature rating of the AM26LS32AIDR (-40°C to 85°C) exceeds the commercial rating of the AM26LS32ACD (0°C to 70°C), so it is suitable wherever the commercial part is specified.
What is the difference in shipping format between the two parts?
The AM26LS32AIDR is supplied on tape and reel (R suffix), which is suited to automated pick-and-place assembly lines. The AM26LS32ACD is supplied in tubes (no reel suffix), which is typically used for prototyping, low-volume runs, or manual assembly.
What supply voltage and output type do these receivers support?
Both devices operate from a single 5 V supply and provide 3-state outputs, allowing them to be connected directly to a bus-oriented system. Each of the four receivers has a separate enable input for output control.
Do both parts meet the same industry standards?
Yes. Both the AM26LS32AIDR and AM26LS32ACD meet TIA/EIA-422-B, TIA/EIA-423-B, ITU Recommendation V.10, and ITU Recommendation V.11 requirements, and both are characterized for operation over their respective temperature ranges.