SLLT226 September 2023 ISOM8110 , ISOM8710 , ISOM8711
Example Block Diagram of Replacing an Optocoupler With an Opto-emulatorDesign Considerations
- Opto-emulators are pin-to-pin drop-in replacements for optocouplers
- TI offers opto-emulators with different output types: Digital and Analog
- Protects low voltage parts in a system from high-voltage circuits
- Allows signal transfer between controller devices and peripheral ICs
- [FAQ] What are the benefits of Opto-emulators vs. Optocouplers? TI E2E™ support forums
- [FAQ] Opto-emulators - Top Questions, Answered TI E2E support forums
- Opto-emulators explained: Why you should upgrade your optocoupler technology TI E2E support forums
- Opto-emulators | TI.com
Need additional assistance? Ask our engineers a question on the TI E2E™ Isolation Support Forum.
Recommended Parts
Table 1 Digital Output
Opto-emulators
| Part Number | Output Type | VCC | Data Rate | Pin-to-Pin Optocouplers |
|---|---|---|---|---|
| ISOM8710 | CMOS | 2.7 V to 5.5 V | 25Mbps | ACPL-M21L ACPL-M75L TLP2366 LTV-M601 and more |
| ISOM8711 | Open Collector |
Table 2 Analog Output
Opto-emulators
| Part Number | Input Type | Output Type | VF (MAX) | CTR | Pin-to-Pin Optocouplers |
|---|---|---|---|---|---|
| ISOM8110 | DC Input | Open Collector | 1.4 V | 100% to 155% | HCPL-181 ACPL-217 LTV356T LTV357T TLP185 TLP181 PS2701A PS2811-1 EL816 EL3H7 and more |
| ISOM8111 | 1.4 V | 150% to 230% | |||
| ISOM8112 | 1.4 V | 255% to 380% | |||
| ISOM8113 | 1.4 V | 375% to 560% | |||
| ISOM8115 | Bidirectional DC Input | 1.5 V | 100% to 155% | ||
| ISOM8116 | 1.5 V | 150% to 230% | |||
| ISOM8117 | 1.5 V | 255% to 380% | |||
| ISOM8118 | 1.5 V | 375% to 560% |
To find a pin-to-pin alternative to
the optocouplers in your design, search TI’s cross
reference tool.
For more
opto-emulators, browse through the online parametric tool.