Part A
ADM213EARSZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5167 PCS
- Package
- SSOP-28
- Series
- Interface - Drivers, Receivers, Transceivers
Replacement verdict
Compatible functional replacement candidate
The ADM213EARSZ and ADM211EAR are both RS-232 transceivers from Analog Devices with matching driver/receiver counts, supply voltage ranges, and data rates, making the ADM213EARSZ a viable functional replacement candidate for the ADM211EAR. However, the differing package and operating temperature specifications require validation against the target application's mechanical and environmental requirements before final approval.
Driver/Receiver Count
High match
Supply Voltage Range
High match
Package Type
Validation required
Operating Temperature Range
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADM213EARSZ | ADM211EAR | Why it matters |
|---|---|---|---|
| Number of Drivers/Receivers | 4/5 | 4/5 | Determines how many RS-232 communication lines the device can drive and receive; both match, so channel count is substitutable. |
| Package / Mounting Type | 20-SSOP (Shrink Small Outline), Surface Mount | 28-SOIC (Wide), Surface Mount | Footprint and board layout differ significantly; a drop-in replacement requires matching package and pinout. |
| Operating Supply Voltage | 5 V (single supply) | 5 V (single supply) | Both operate from a single 5 V rail, so power supply compatibility is maintained. |
| Data Rate | 230 kbps | 120 kbps | Maximum supported baud rate affects throughput; the ADM213EARSZ supports a higher data rate than the ADM211EAR. |
| Number of External Capacitors | 4 (0.1 µF) | 4 (0.1 µF) | Charge-pump capacitor count affects board space and BOM; both require the same number of external capacitors. |
| ESD Protection (RS-232 Pins) | ±15 kV (IEC 1000-4-2 Air/Ground) | ±15 kV (IEC 1000-4-2 Air/Ground) | ESD robustness on the interface pins is critical for reliable field operation; both offer equivalent protection levels. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Industrial temperature range ensures operation in harsh environments; both cover the same range. |
| Shutdown / Enable Feature | Yes (active-low shutdown) | Yes (active-low shutdown) | Shutdown capability reduces power consumption when the interface is idle; both devices support it. |
| Pin Count | 20 | 28 | Different pin counts mean the devices are not pin-compatible and cannot be swapped without a board redesign. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADM213EARSZ | ADM211EAR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Type | Transceiver | Transceiver |
| Protocol | RS232 | RS232 |
| Number of Drivers/Receivers | 4/5 | 4/5 |
| Duplex | Full | Full |
| Receiver Hysteresis | 650 mV | 650 mV |
| Data Rate | 230kbps | 120Kbps |
| 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 are the key differences between the ADM213EARSZ and the ADM211EAR?
The ADM213EARSZ is a 5 V, dual-channel RS-232 transceiver in a 28-lead SSOP package featuring two drivers and two receivers plus a shutdown mode, while the ADM211EAR is a 5 V, quad-driver/quad-receiver RS-232 transceiver in a 28-lead SOIC package. The ADM213EARSZ offers a smaller SSOP footprint with two drivers and two receivers, whereas the ADM211EAR provides four drivers and four receivers in a wider SOIC body.
Are the ADM213EARSZ and ADM211EAR pin-to-pin compatible?
No. The ADM213EARSZ uses a 28-lead SSOP (Shrink Small Outline Package) body, while the ADM211EAR uses a 28-lead SOIC (Wide Body) package. The package widths and lead pitches differ, so the PCB land patterns are not interchangeable and the devices cannot be dropped into the same footprint without a layout change.
How many RS-232 drivers and receivers does each device integrate?
The ADM213EARSZ integrates two RS-232 drivers and two RS-232 receivers. The ADM211EAR integrates four RS-232 drivers and four RS-232 receivers, making it suitable for applications requiring more serial channels.
Do both devices operate from a single 5 V supply?
Yes. Both the ADM213EARSZ and the ADM211EAR are specified for operation from a single +5 V supply and generate the required RS-232 voltage levels internally using on-chip charge pump circuitry, eliminating the need for a separate ±12 V supply.
What data rate do the ADM213EARSZ and ADM211EAR support?
Both devices are specified for RS-232 data rates up to 120 kbps, which is sufficient for standard serial communication interfaces. Designers should confirm the exact guaranteed data rate against the latest Analog Devices datasheet for the specific grade and operating conditions.
Does the ADM213EARSZ include a shutdown or standby mode?
Yes. The ADM213EARSZ includes a shutdown mode that reduces supply current when the serial interface is inactive. The ADM211EAR is a standard quad transceiver without the same shutdown feature set, so power-sensitive designs should verify the specific low-power mode requirements against each datasheet.
Which device is better for space-constrained designs?
The ADM213EARSZ is generally preferable for space-constrained designs because its 28-lead SSOP package occupies a smaller board area than the 28-lead SOIC package of the ADM211EAR. However, the ADM211EAR provides twice the number of drivers and receivers, so the channel count requirement must be weighed against board space.
Are both devices specified over the extended industrial temperature range?
Both the ADM213EARSZ and the ADM211EAR are offered in industrial temperature grade versions. The "E" suffix in both part numbers denotes the extended industrial temperature range, typically −40 °C to +85 °C. Designers should confirm the exact temperature grade from the Analog Devices datasheet for the ordered part number.