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TCA9801 Datasheet(PDF) 3 Page - Texas Instruments |
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TCA9801 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 36 page 1 8 VCCA VCCB 4 5 GND EN 3 6 SDAA SDAB 2 7 SCLA SCLB 3 TCA9801 www.ti.com SCPS265 – MARCH 2017 Product Folder Links: TCA9801 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 5 Device Comparison Table Part Number ICS: Current Source Value TCA9800 0.5 mA TCA9801 1 mA TCA9802 2 mA TCA9803 3 mA 6 Pin Configuration and Functions DGK Package 8-Pin VSSOP Top View Pin Functions PIN TYPE DESCRIPTION NO. NAME 1 VCCA Supply A-side supply voltage (0.8 V to 3.6 V) 2 SCLA I/O Serial clock bus, A-side. Connect to VCCA through a pull-up resistor, even if unused 3 SDAA I/O Serial data bus, A-side. Connect to VCCA through a pull-up resistor, even if unused 4 GND — Ground 5 EN I Active-high repeater enable input, referenced to VCCA 6 SDAB I/O Serial data bus, B-side. Do NOT connect to VCCB through a pull-up resistor for proper operation. If unused, leave floating 7 SCLB I/O Serial clock bus, B-side. Do NOT connect to VCCB through a pull-up resistor for proper operation. If unused, leave floating 8 VCCB Supply B-side and device supply voltage (1.65 V to 3.6 V) |
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