LTC1380 Datasheet | Linear Technology

LTC1380/LTC1393 Single-Ended 8-Channel/ Differential 4-Channel Analog Multiplexer with SMBus Interface Features s s s s s s s s s DESCRIPTION The LTC®1380/LTC1393 are CMOS analog multiplexers with SMBus® patible digital interfaces. The LTC1380 is a single-ended 8-channel multiplexer, while the LTC1393 is a differential 4-channel multiplexer. The SMBus digital interface requires only two wires (SCL and SDA). Both the LTC1380 and the LTC1393 have four hard-wired SMBus addresses, selectable with two external address pins. This allows four devices, each with a unique SMBus address, to coexist on one system and for four devices to be synchronized with one stop bit. The supply current is typically 10µA. Both digital interface pins are SMBus patible over the full operating supply voltage range. The LTC1380 analog switches feature a typical RON of 35Ω (± 5V supplies), typical switch leakage of 20p A and guaranteed break-before-make operation. Charge injection is ±1p C typical. The LTC1380/LTC1393 are available in 16-lead SO and GN packages. Operation is fully specified over the mercial and industrial temperature ranges. , LTC and LT are registered trademarks of Linear Technology Corporation. SMBus is a registered trademark of Intel Corporation. Micropower Operation: Supply Current = 20µA Max 2-Wire SMBus Interface Single 2.7V to ± 5V Supply Operation Expandable to 32 Single or 16 Differential Channels Guaranteed Break-Before-Make Low RON: 35Ω Single Ended/70Ω Differential Low Charge Injection: 20p C Max Low Leakage: ± 5n A Max Available in 16-Lead SO and GN Packages U APPLICATIONS s s s s s Data Acquisition Systems Process Control Laptop puters Signal Multiplexing/Demultiplexing Analog-to-Digital Conversion Systems TYPICAL APPLICATION LTC1380 Single-Ended 8-Channel Multiplexer 5V On Resistance vs VS 250 225 SMBus HOST TA = 25°C ID = 1m A VCC = 2.7V VEE = 0V 1 2 3 4 8 ANALOG INPUTS 5 6 7 8 S0 S1 S2 S3 S4 S5 S6 S7 ON RESISTANCE (Ω) VCC SCL SDA LTC1380 A0...