Overview
The ISO1212DBQ, manufactured by Texas Instruments, is a digital isolator designed for industrial applications. This component is part of the ISO121x series, which provides isolated 24-V to 60-V digital input receivers, making it suitable for programmable logic controllers (PLCs), motor control, and grid infrastructure. Its compact SSOP-16 package and low-power design with precise current limiting enhance its usability in high-density I/O modules.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Brand | Texas Instruments | - | - |
| Model | ISO1212DBQ | - | - |
| Package | SSOP-16 | - | - |
| Channels | 2 | Channel | Unidirectional |
| Insulation Voltage | 2500 | Vrms | - |
| Data Rate | 4 | Mbps | - |
| Propagation Delay | 10, 110 | ns | - |
| Supply Voltage | 2.25 to 5.5 | V | - |
| Operating Temperature | -55 to +125 | °C | - |
| Power Dissipation | 900 | mW | - |
Key Features
- Isolated 24-V to 60-V digital input receiver.
- Complies with IEC 61131-2 Type 1, 2, and 3 characteristics.
- Precise current limiting for low power consumption.
- Supports 9-V to 300-V DC and AC digital inputs.
- No need for field-side power supply.
Applications
The ISO1212DBQ is widely used in industrial automation, particularly in PLCs, motor control systems, and grid infrastructure. Its ability to handle high-voltage inputs and provide precise current limiting makes it ideal for designing compact and efficient I/O modules. Additionally, its compliance with IEC 61131-2 standards ensures reliability in demanding industrial environments.
Q & A
1. What is the operating voltage range of ISO1212DBQ?
The operating voltage range is 2.25 V to 5.5 V.
2. How many channels does ISO1212DBQ have?
It has 2 unidirectional channels.
3. What is the maximum data rate supported by ISO1212DBQ?
The maximum data rate is 4 Mbps.
4. Is ISO1212DBQ RoHS compliant?
Yes, it is RoHS compliant.
5. What is the insulation voltage of ISO1212DBQ?
The insulation voltage is 2500 Vrms.
6. Can ISO1212DBQ operate in extreme temperatures?
Yes, it can operate from -55°C to +125°C.
7. Does ISO1212DBQ require a field-side power supply?
No, it does not require a field-side power supply.
8. What is the propagation delay of ISO1212DBQ?
The propagation delay is 10 ns to 110 ns.
9. What package does ISO1212DBQ come in?
It comes in an SSOP-16 package.
10. Is ISO1212DBQ suitable for motor control applications?
Yes, it is suitable for motor control and other industrial applications.
