Overview
The ISO7330CDW is a low-power, triple-channel digital isolator produced by Texas Instruments. This device is designed to provide galvanic isolation up to 3000 V RMS for 1 minute and 4242 V PK, ensuring robust electromagnetic compatibility (EMC) and system-level ESD, EFT, and surge immunity. The ISO7330CDW operates in a wide temperature range from -40°C to 125°C, making it suitable for various industrial and automotive applications. It features integrated noise filters and TTL input thresholds, operating from 3.3 V to 5.5 V supply levels.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | ISO7330CDW |
| Package Type | SOIC-16 (DW) |
| No. of Terminals | 16 |
| Operating Temperature Range | -40°C to 125°C |
| Minimum Supply Voltage | 3.3 V |
| Maximum Supply Voltage | 5 V |
| Data Rate (Max) | 25 Mbps |
| No. of Channels | 3 |
| Channel Type | Unidirectional (3/0) |
| Isolation Rating | 3000 V RMS |
| Propagation Delay (Typ) | 31 ns |
| Common Mode Transient Immunity (Min) | 25 kV/µs |
| RoHS Compliance | Yes |
Key Features
- Low power consumption: Typical ICC per channel at 1 Mbps is 1 mA (5 V supplies) and 0.8 mA (3.3 V supplies).
- Integrated noise filter on the inputs to handle harsh industrial environments.
- Default output high and low options depending on the device suffix.
- Low propagation delay: 31 ns typical at 5 V supplies.
- Operates from 3.3 V and 5 V supplies with 3.3 V and 5 V level translation.
- Robust EMC and system-level ESD, EFT, and surge immunity.
- Wide body SOIC-16 package with gull wing terminals.
- Isolation barrier life: > 25 years.
- Safety and regulatory approvals: UL 1577, VDE V 0884-10, CSA, IEC 60950-1, and IEC 61010-1.
Applications
The ISO7330CDW is suitable for a variety of applications, including:
- Industrial automation and control systems where noise and interference need to be minimized.
- Automotive systems requiring high reliability and robustness against electromagnetic interference.
- Medical devices that need isolation to protect sensitive circuitry.
- Power supplies and data acquisition systems where galvanic isolation is crucial.
- Any system requiring high-speed data transfer with robust isolation and low power consumption.
Q & A
- What is the primary function of the ISO7330CDW?
The ISO7330CDW is a triple-channel digital isolator that provides galvanic isolation between logic input and output buffers, preventing noise currents from interfering with sensitive circuitry. - What is the maximum data rate of the ISO7330CDW?
The maximum data rate is 25 Mbps. - What are the operating supply voltage ranges for the ISO7330CDW?
The device operates from 3.3 V to 5.5 V supply levels. - What is the typical propagation delay of the ISO7330CDW?
The typical propagation delay is 31 ns at 5 V supplies. - Does the ISO7330CDW have integrated noise filters?
Yes, it has integrated noise filters to handle short noise pulses in harsh industrial environments. - What is the isolation rating of the ISO7330CDW?
The isolation rating is 3000 V RMS for 1 minute and 4242 V PK. - Is the ISO7330CDW RoHS compliant?
Yes, it is RoHS compliant. - What is the operating temperature range of the ISO7330CDW?
The operating temperature range is -40°C to 125°C. - How many channels does the ISO7330CDW have?
The device has three unidirectional channels. - What are the default output states of the ISO7330CDW?
The default output is low for devices with the suffix F and high for devices without the suffix F.
