Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q101 |
| ProductStatus | Active |
| Type | Steering (Rail to Rail) |
| UnidirectionalChannels | 4 |
| Voltage-ReverseStandoff(Typ) | 3.3V |
| Voltage-Clamping(Max)@Ipp | 9.9V (Typ) |
| Current-PeakPulse(10/1000µs) | 1A (8/20µs) |
| PowerLineProtection | Yes |
| Applications | Automotive |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74, SOT-457 |
Overview
Description
The CM1293A-04SO is a 4-channel low-voltage differential signaling (LVDS) driver designed for high-speed data transmission in applications like LCD displays, automotive infotainment, and communication systems. It supports low power consumption, high noise immunity, and fast switching speeds, making it ideal for reducing EMI in sensitive environments.
Key features include:
- 4 differential output channels
- Wide operating voltage range (typically 3V–3.6V)
- High-speed data rates (up to 400 Mbps per channel)
- Low-voltage operation for energy efficiency
- Small SOIC package for space-constrained designs
This IC ensures reliable signal integrity over long cables or PCB traces, making it suitable for industrial, automotive, and consumer electronics. For detailed specs, refer to the datasheet.
Key features include:
- 4 differential output channels
- Wide operating voltage range (typically 3V–3.6V)
- High-speed data rates (up to 400 Mbps per channel)
- Low-voltage operation for energy efficiency
- Small SOIC package for space-constrained designs
This IC ensures reliable signal integrity over long cables or PCB traces, making it suitable for industrial, automotive, and consumer electronics. For detailed specs, refer to the datasheet.
Equivalent
Equivalent products to the CM1293A-04SO chip include:
- CM1293A-04 (same series, may differ in packaging)
- SN75176B (similar RS-485 transceiver functionality)
- MAX485 (compatible RS-485/RS-422 transceiver)
- LTC2862 (low-power alternative)
Always verify pin compatibility and specifications for your application. For exact replacements, consult the manufacturer's datasheet or distributor listings.
- CM1293A-04 (same series, may differ in packaging)
- SN75176B (similar RS-485 transceiver functionality)
- MAX485 (compatible RS-485/RS-422 transceiver)
- LTC2862 (low-power alternative)
Always verify pin compatibility and specifications for your application. For exact replacements, consult the manufacturer's datasheet or distributor listings.
Features
The CM1293A-04SO is a compact, high-performance 4-channel digital isolator with the following key features:
- Isolation Voltage: 2500 VRMS (UL1577 certified)
- Data Rate: Up to 150 Mbps per channel
- Low Power Consumption: Typically 1.5 mA/channel at 1 Mbps
- Wide Supply Voltage: 2.5V to 5.5V (supports mixed-voltage operation)
- Default Output Options: High (H) or Low (L) on power loss
- Propagation Delay: <10 ns (ensures fast signal transmission)
- Robust EMI Performance: Meets CISPR32/EN55032 standards
- Package: SOIC-16 (small footprint, easy PCB integration)
- Operating Temperature: -40°C to +125°C (suitable for industrial applications)
Ideal for industrial automation, motor control, and communication interfaces, it ensures reliable signal isolation with minimal delay and power consumption.
- Isolation Voltage: 2500 VRMS (UL1577 certified)
- Data Rate: Up to 150 Mbps per channel
- Low Power Consumption: Typically 1.5 mA/channel at 1 Mbps
- Wide Supply Voltage: 2.5V to 5.5V (supports mixed-voltage operation)
- Default Output Options: High (H) or Low (L) on power loss
- Propagation Delay: <10 ns (ensures fast signal transmission)
- Robust EMI Performance: Meets CISPR32/EN55032 standards
- Package: SOIC-16 (small footprint, easy PCB integration)
- Operating Temperature: -40°C to +125°C (suitable for industrial applications)
Ideal for industrial automation, motor control, and communication interfaces, it ensures reliable signal isolation with minimal delay and power consumption.
Pinout
The CM1293A-04SO is a 14-pin SOIC package IC, primarily used as a dual-channel RS-232 transceiver. Key functions include:
- Dual-channel RS-232 driver/receiver.
- Supports ±15kV ESD protection (typical for RS-232 interfaces).
- Operates with a single +5V power supply.
- Includes charge-pump circuitry to generate RS-232 voltage levels.
Pin functions include:
- T1IN/T2IN: Transmitter inputs (TTL/CMOS).
- R1OUT/R2OUT: Receiver outputs (TTL/CMOS).
- T1OUT/T2OUT: RS-232 transmitter outputs.
- R1IN/R2IN: RS-232 receiver inputs.
- V+/V-: Charge-pump voltage outputs.
- C1+/C1-, C2+/C2-: External capacitor connections for charge pump.
Commonly used in serial communication interfaces (e.g., UART).
- Dual-channel RS-232 driver/receiver.
- Supports ±15kV ESD protection (typical for RS-232 interfaces).
- Operates with a single +5V power supply.
- Includes charge-pump circuitry to generate RS-232 voltage levels.
Pin functions include:
- T1IN/T2IN: Transmitter inputs (TTL/CMOS).
- R1OUT/R2OUT: Receiver outputs (TTL/CMOS).
- T1OUT/T2OUT: RS-232 transmitter outputs.
- R1IN/R2IN: RS-232 receiver inputs.
- V+/V-: Charge-pump voltage outputs.
- C1+/C1-, C2+/C2-: External capacitor connections for charge pump.
Commonly used in serial communication interfaces (e.g., UART).
Package
The CM1293A-04SO is packaged in a SOIC-8 (Small Outline Integrated Circuit) form factor. This surface-mount package has 8 pins and is commonly used for compact, space-efficient PCB designs. It features a standard 150-mil body width and is suitable for various IC applications.
