Part A
ADM202JRN
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 5083 個数
- Package
- SOIC-16
- Series
- インターフェース - ドライバ、レシーバ、トランシーバ
Replacement verdict
Compatible functional replacement candidate
The ADM202JRN and ADM206AR are both dual-channel RS-232 transceivers from Analog Devices in a 16-pin SOIC package, sharing the same core interface function and pin-compatible footprint. The ADM206AR adds an internal charge pump with shutdown and enable control, which the ADM202JRN does not provide, so the substitution is functionally viable but requires validation of the control-pin behavior and power-down logic in the target design.
Interface Standard
High match
Package Type
High match
Control and Shutdown Features
Validation required
Supply Voltage 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 | ADM202JRN | ADM206AR | Why it matters |
|---|---|---|---|
| Number of Drivers/Receivers | 2/2 | 4/3 | Determines how many RS-232 communication channels are available; the ADM206AR provides more drivers and receivers for multi-line interfaces. |
| Data Rate | 120 kbps | 120 kbps | Maximum signaling speed supported; both parts are limited to 120 kbps, suitable for standard RS-232 links. |
| Supply Voltage | 5 V | 5 V | Operating supply voltage must match the system rail; both require a single 5 V supply. |
| Package / Mounting | 16-SOIC (Surface Mount) | 24-SOIC (Surface Mount) | Footprint and pin count differ, so the two parts are not drop-in replacements on the same PCB layout. |
| Operating Temperature Range | 0°C to +70°C | -40°C to +85°C | The ADM206AR supports industrial temperature ranges, while the ADM202JRN is limited to commercial temperatures. |
| Number of Pins | 16 | 24 | Pin count affects package compatibility and board layout; the parts are not pin-compatible. |
| Charge Pump / External Capacitors | Requires external charge pump capacitors | Requires external charge pump capacitors | Both need external capacitors for the internal charge pump to generate RS-232 voltage levels. |
| Manufacturer Series | ADM202 | ADM206 | Different product families indicate differing feature sets and are not direct substitutes. |
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 | ADM202JRN | ADM206AR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Obsolete | Obsolete |
| Type | Transceiver | Transceiver |
| Protocol | RS232 | RS232 |
| Number of Drivers/Receivers | 2/2 | 4/3 |
| Duplex | Full | Full |
| Receiver Hysteresis | 400 mV | 650 mV |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the ADM202JRN and ADM206AR?
The ADM202JRN is a dual RS-232 line driver/receiver in a 16-lead SOIC package, while the ADM206AR is a similar RS-232 transceiver in a 24-lead SOIC package that includes additional control and monitoring features such as a shutdown mode and receiver enable inputs. The ADM206AR also integrates charge pump capacitors externally like the ADM202, but offers more flexible power management and handshaking signal support.
Are the ADM202JRN and ADM206AR pin-compatible?
No. The ADM202JRN uses a 16-lead SOIC package, whereas the ADM206AR uses a 24-lead SOIC package. The pin counts and pin functions differ, so they are not drop-in replacements for each other.
Do both devices operate from a single 5 V supply?
Yes. Both the ADM202JRN and ADM206AR are specified for operation from a single +5 V supply and use internal charge pump circuitry to generate the RS-232 voltage levels.
What data rate do the ADM202JRN and ADM206AR support?
Both devices are specified for RS-232 data rates up to 120 kbps, which is sufficient for standard RS-232 communication requirements.
Does the ADM206AR offer features not present on the ADM202JRN?
Yes. The ADM206AR includes additional control features such as a shutdown mode to reduce power consumption and receiver enable inputs, along with additional handshaking signal lines. The ADM202JRN provides a simpler dual driver/receiver configuration without these control functions.
How many drivers and receivers does each device provide?
Both the ADM202JRN and ADM206AR provide two RS-232 drivers and two RS-232 receivers, making them suitable for dual-channel serial communication interfaces.
Can the ADM202JRN and ADM206AR be used in the same application environment?
Both are intended for RS-232 communication interfaces in industrial and commercial equipment. However, because of package and feature differences, the ADM206AR is better suited where shutdown control and additional handshaking signals are required, while the ADM202JRN suits simpler dual-channel designs with a smaller footprint.