ZHCSG32B March 2017 – February 2020 TCA9800
PRODUCTION DATA.
The system designer must first select the correct variant of the TCA980x family for the load. In order to do this, the information in Table 7 must be known. The setup in Figure 29 is used for these example design requirements.
| Parameter | Description | Acceptable Range | Example Value/Target |
|---|---|---|---|
| CL | Load capacitance (bus capacitance) on B-side | up to 400 pF | 200 pF |
| tr | Rise time | up to 300 ns | ≤ 300 ns |
| VCCA | VCCA supply voltage | 0.8 V-3.6 V | 2.5 V |
| VCCB | VCCB supply voltage | 1.65 V-3.6 V | 2.5 V |
| fSCL | I2C clock frequency | 400 kHz |