Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Supply | 3.3 V single supply |
| Data rate | Up to 460 kbps |
| Channels | 1 transmitter / 1 receiver |
| Standard | EIA/TIA-232E and ITU-T V.28 |
| ESD | ±8 kV contact, ±15 kV air-gap |
| Charge-pump capacitors | 0.1 µF external capacitors |
| Package | 12-lead LFCSP_WQ, CP-12-4 |
| Operating temperature | −40°C to +85°C |
Product Overview
ADM3101EACPZ-REEL is a non-isolated single-channel RS-232 transceiver for systems built around a 3.3 V logic rail. An internal charge pump generates the RS-232 signaling rails from the single low-voltage supply.
The CP-12-4 LFCSP order code is the compact package option in the family. It provides one transmitter and one receiver, operates to 460 kbps, and includes high ESD protection on the interface I/O.
Key Features
- Single 3.3 V supply operation.
- One transmitter and one receiver at up to 460 kbps.
- 0.1 µF external charge-pump capacitors.
- Compact 12-lead LFCSP_WQ package.
Functional Highlights
A 3.3 V supply avoids adding a separate 5 V rail solely for RS-232 level translation.
The charge-pump capacitors form part of the voltage-conversion loop, so close placement reduces parasitic impedance and improves rail generation.
Application Fit
- General-purpose RS-232 data links.
- Industrial and telecommunications diagnostic ports.
- Portable instruments requiring a compact 3.3 V RS-232 interface.
Design Considerations
- Use the CP-12-4 land pattern rather than the 16-lead QSOP footprint.
- Place the 0.1 µF charge-pump capacitors close to the device.
- Confirm that 460 kbps provides adequate cable and timing margin.
Product Status
Manufacturer status: PRODUCTION
Analog Devices currently lists the ADM3101E family as PRODUCTION.
Related Engineering Resources
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
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