ISO1212DBQR
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ISO1212DBQR
901-ISO1212DBQR
Explore ISO1212DBQR from Texas Instruments: 2-channel digital isolator with 2500Vrms isolation, 4Mbps data rate, ideal for industrial automation.
ISO1212DBQR Description
ISO1212DBQR Digital Isolator Overview
The ISO1212DBQR by Texas Instruments is a dual-channel digital input isolator designed for industrial automation and control systems. It supports high-speed data rates up to 4Mbps and offers 2500Vrms isolation, making it ideal for interfacing between high-voltage industrial environments and low-voltage digital controllers. With its unidirectional channel support and robust capacitive isolation technology, ISO1212DBQR ensures reliable signal integrity and noise immunity in harsh conditions.
ISO1212DBQR Datasheet Download
Click here to view/download the official datasheet from Texas Instruments.
Key Features of ISO1212DBQR
- 2-channel unidirectional input
- 2500Vrms galvanic isolation
- High common-mode transient immunity: ≥25kV/µs
- 4Mbps data rate
- 3ns rise/fall time
- 140ns propagation delay
- Wide supply voltage: 2.25V to 5.5V
- Operating temperature: -40°C to 125°C
- Surface mount 16-SSOP package
ISO1212DBQR Technical Specifications
| Manufacturer | Texas Instruments |
|---|---|
| Series | ISO121x |
| Package | 16-SSOP (3.90mm Width) |
| Channels | 2 (unidirectional) |
| Voltage - Isolation | 2500Vrms |
| CM Transient Immunity | ≥25kV/µs |
| Data Rate | 4Mbps |
| Rise / Fall Time | 3ns / 3ns |
| Propagation Delay | tpLH: 140ns / tpHL: 15ns |
| Supply Voltage | 2.25V ~ 5.5V |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Part Status | Active |
Applications of ISO1212DBQR
- Industrial digital input modules
- Factory automation systems
- Motor drives and inverters
- Programmable logic controllers (PLCs)
- Building control and HVAC
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ISO1212DBQR FAQ
What is the difference between ISO1212 and ISO1211?
ISO1212 has 2 unidirectional channels, while ISO1211 has a single channel. ISO1212 is preferred for multi-input applications.
Does ISO1212DBQR include isolated power?
No, it provides signal isolation only. Power isolation must be handled externally.
Is ISO1212DBQR suitable for high-speed digital communication?
Yes, it supports up to 4Mbps data rates with fast rise/fall times of 3ns, ideal for industrial digital inputs.
Conclusion
The ISO1212DBQR is a robust, high-performance digital input isolator that simplifies the design of industrial interfaces by offering reliable signal integrity, fast communication, and wide temperature operation. Trusted by engineers worldwide, it's a go-to choice for automation systems that demand safety, performance, and isolation.
Technical specifications
| Inputs - Side 1/Side 2 | 0/2 | |
| Rise / Fall Time (Typ) | 3ns, 3ns | |
| Common Mode Transient Immunity (Min) | 25kV/µs | |
| Product Status | Active | |
| Supplier Device Package | 16-SSOP | |
| Pulse Width Distortion (Max) | - | |
| Isolated Power | No | |
| Data Rate | 4Mbps | |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | |
| Number of Channels | 2 | |
| Technology | Capacitive Coupling | |
| Voltage - Supply | 2.25V ~ 5.5V | |
| REACH Status | REACH Unaffected | |
| Mfr | Texas Instruments | |
| Channel Type | Unidirectional | |
| Propagation Delay tpLH / tpHL (Max) | 140ns, 15ns | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | |
| Operating Temperature | -40°C ~ 125°C | |
| Voltage - Isolation | 2500Vrms | |
| ECCN | EAR99 | |
| Mounting Type | Surface Mount | |
| Series | ISO121x | |
| Type | General Purpose | |
| HTSUS | 8542.39.0001 | |
| Package | Tape & Reel (TR) | |
| Base Product Number | ISO1212 |
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