Part A
ADM232AARNZ
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 1649 ПКС
- Package
- SOIC-16
- Series
- Интерфейс - драйверы, приемники, передатчики
Replacement verdict
Compatible functional replacement candidate
The ADM232AARNZ-REEL and ADM232AARNZ are functionally identical RS-232 transceivers from the same manufacturer, differing only in packaging format (tape-and-reel versus tube). Both share the same die, pinout, electrical specifications, and operating conditions, making them fully interchangeable for design and production purposes. The reel variant is suited to automated SMT assembly, while the tube variant suits low-volume or prototyping use.
Function and Protocol
High match
Pinout and Package
High match
Electrical Specifications
High match
Operating Temperature Range
High match
Parts at a glance
Part B
ADM232AARNZ-REEL
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6073 ПКС
- Package
- SOIC-16
- Series
- Интерфейс - драйверы, приемники, передатчики
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADM232AARNZ-REEL | ADM232AARNZ | Why it matters |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Same manufacturer ensures identical silicon design and process, supporting functional substitutability. |
| Function / Interface Type | RS-232 line transceiver (dual driver/receiver) | RS-232 line transceiver (dual driver/receiver) | Identical interface function confirms the parts serve the same communication role in a circuit. |
| Number of Drivers / Receivers | 2 drivers / 2 receivers | 2 drivers / 2 receivers | Matching channel counts ensure the same number of signal lines can be driven and received. |
| Package / Case | 16-SOIC (0.154", 3.90mm width) | 16-SOIC (0.154", 3.90mm width) | Same package footprint allows drop-in replacement on an existing PCB layout. |
| Mounting Type | Surface Mount | Surface Mount | Identical mounting method ensures compatibility with the same assembly process. |
| Supply Voltage | 5 V (single supply) | 5 V (single supply) | Same supply requirement means no power rail redesign is needed for substitution. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Matching temperature ratings confirm equivalent environmental robustness for the application. |
| Packaging / Delivery Form | Tape & Reel (automated assembly) | Tube / cut tape (bulk or manual handling) | Packaging form affects pick-and-place automation and inventory handling, though the electrical part is identical. |
| Data Rate | Up to 200 kbps | Up to 200 kbps | Same maximum data rate ensures equivalent throughput capability in the target system. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADM232AARNZ | ADM232AARNZ-REEL |
|---|---|---|
| Part Status | Active | Active |
| Type | Transceiver | Transceiver |
| Protocol | RS232 | RS232 |
| Number of Drivers/Receivers | 2/2 | 2/2 |
| Duplex | Full | Full |
| Receiver Hysteresis | 400 mV | 400 mV |
| Data Rate | 200kbps | 200kbps |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between ADM232AARNZ-REEL and ADM232AARNZ?
Both are the same Analog Devices ADM232A RS-232 line driver/receiver in a 16-lead SOIC (R-16) package. The only difference is packaging format: ADM232AARNZ is supplied in tubes, while ADM232AARNZ-REEL is supplied on tape and reel for automated assembly.
Are ADM232AARNZ-REEL and ADM232AARNZ electrically and functionally identical?
Yes. The "-REEL" suffix denotes the shipping carrier only. Both variants share the same die, pinout, electrical specifications, and operating temperature range as defined in the Analog Devices ADM232A datasheet.
Can ADM232AARNZ-REEL be used as a drop-in replacement for ADM232AARNZ?
Yes, provided the assembly process supports tape-and-reel feeding. The devices are functionally and pin-compatible; the choice between them is driven by production packaging requirements rather than electrical differences.
What package does the ADM232AARNZ use?
The ADM232AARNZ is offered in a 16-lead SOIC package (Analog Devices package code R-16), which is a surface-mount package suitable for standard reflow soldering processes.
What is the function of the ADM232A?
The ADM232A is a dual RS-232 line driver/receiver that converts TTL/CMOS logic levels to RS-232 levels and vice versa. It operates from a single +5 V supply and includes on-chip charge pump circuitry to generate the required RS-232 voltage levels.
Why would a design choose the -REEL variant over the tube variant?
The -REEL variant is intended for high-volume automated pick-and-place assembly, where tape-and-reel packaging improves feeder efficiency and throughput. Tube packaging is typically used for low-volume or prototype builds.
Do both variants share the same operating temperature range?
Yes. Both ADM232AARNZ and ADM232AARNZ-REEL are specified over the same industrial temperature range as stated in the Analog Devices datasheet, since the suffix difference relates only to packaging.