Texas Instruments ISO7220AD, General Purpose digital isolator, 2 channels, 1 Mbps data rate, Capacitive Coupling, 2500 Vrms isolation, 3V ~ 5.5V supply, 8-SOIC, -40°C ~ 125°C.
| Parameter / Attribute | Specification / Value |
|---|---|
| Type | General Purpose |
| Channel type | Unidirectional |
| Mounting | Surface Mount |
| Supply voltage | 3V ~ 5.5V |
| Voltage - isolation | 2500Vrms |
| Isolated power | No |
| Operating temperature | -40°C~125°C |
| Pulse width distortion | 14ns |
| Package | Tube |
| Data rate | 1Mbps |
| Technology | Capacitive Coupling |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Channels | 2 |
| Inputs - side 1/Side 2 | 2/0 |
| Rise (Fall time) | 1ns, 1ns |
| Propagation delay tpLH (tpHL) | 475ns, 475ns |
| Common mode transient immunity | 25kV/µs |
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It supports a data rate of 1 Mbps across its two unidirectional channels, with both channels configured as inputs on Side 1 and outputs on Side 2.
The 2500 Vrms isolation rating covers basic insulation requirements for industrial equipment per IEC 60747-5-5. Propagation delay is 475 ns max (both tpLH and tpHL), with pulse width distortion limited to 14 ns max — tight enough for most 1 Mbps SPI and UART links without bit errors.
The ISO7220AD is a Texas Instruments general-purpose digital isolator with capacitive coupling, two unidirectional channels, a 1 Mbps data rate, and 2500 Vrms isolation in an SOIC-8 package.
The ISO7220AD supports a maximum data rate of 1 Mbps.
Within the ISO7220 family, pin-compatible variants exist with different channel counts and data rates, but no direct second-source alternate from another manufacturer is recorded. For a higher-speed alternative, consider the ISO7221 series which offers the same pinout at higher data rates.