Packaging information
| Package | Pins SOIC (D) | 8 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the ISO1640-Q1
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- VDA320 Compliant
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level 3A
- Device CDM ESD Classification Level C6
- Robust Isolated Bidirectional, I2C
Compatible, Communication
- ISO1640 -Q1: Bidirectional SDA and SCL communication
- Hot-Swappable SDA and SCL
- Bidirectional data transfer up to 1.7 MHz Operation
- Robust isolation barrier with enhanced EMC:
- >100-year projected lifetime at 450 VRMS working voltage (D-8) and 1500 VRMS working voltage (DW-16)
- Up to 5000 VRMS isolation rating per UL1577
- Up to 10 kV reinforced surge capability
- ±100 kV/µs typical CMTI
- ±8 kV IEC-ESD 61000-4-2 contact discharge protection across isolation barrier
- Same side ±8 kV IEC-ESD unpowered contact discharge on SCL2 and SDA2 (Side 2)
- Supply range: 3 V to 5.5 V (Side 1) and 2.25 V to 5.5 V (Side 2)
- Open-drain outputs with 3.5-mA (Side 1) and 50-mA (Side 2) current-sink capability
- Max capacitive load: 80 pF (Side 1) and 400 pF (Side 2)
- 16-SOIC (DW-16) and 8-SOIC (D-8) Package Options
- –40°C to +125°C Operating Temperature
- Safety-Related Certifications (planned):
- UL 1577 Component Recognition Program
- DIN VDE V 0884-11
- IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB4943.1-2011 certifications
Description for the ISO1640-Q1
The ISO1640-Q1 (ISO164x-Q1) device is a hot swappable, low-power, bidirectional isolator that is compatible with I2C interfaces. The ISO164x supports UL 1577 isolation ratings of 5000 VRMS in the 16-DW package, and 3000 VRMS in the 8-D package. Each I2C isolation channel in this low emissions device has a logic input and open drain output separated by a double capacitive silicon dioxide (SiO2) insulation barrier. This family includes basic and reinforced insulation devices certified by VDE, UL, CSA, TUV and CQC. The ISO1640-Q1 has two isolated bidirectional channels for clock and data lines. ISO1640-Q1 integrates logic required to support bidirectional channels, providing a much simpler design and smaller footprint when compared to optocoupler-based solutions.