Datasheet LTC4314 (Analog Devices) - 13

LTC4314
APPLICATIONS INFORMATION Paralleling LTC4314 Devices
The LTC4314s can be paralleled to perform higher order multiplexing. Figure 6 shows a 1:8 multiplexer with two LTC4314s. 3.3V 3.3V C1 C2 R1 R2 0.01μF V R4 R5 CC VCC2 0.01μF 10k 10k 10k 10k SCLIN I2C DEVICE SDAIN ENABLE1 ENABLE1 SCLOUT1 SCLOUT1 ENABLE2 ENABLE2 SDAOUT1 SDAOUT1 ENABLE3 ENABLE3 •• •• ENABLE4 ENABLE4 5V • • LTC4314 R6 R7 3.3V ACC 10k 10k SCLOUT4 SCLOUT4 R3 10k DISCEN SDAOUT4 SDAOUT4 FAULT GND 3.3V 3.3V C3 C4 0.01μF V R9 R10 CC VCC2 0.01μF 10k 10k SCLIN SDAIN ENABLE5 ENABLE1 SCLOUT1 SCLOUT5 ENABLE6 ENABLE2 SDAOUT1 SDAOUT5 ENABLE7 ENABLE3 •• •• ENABLE8 ENABLE4 5V • • LTC4314 R11 R12 3.3V ACC 10k 10k SCLOUT4 SCLOUT8 R8 10k DISCEN SDAOUT4 SDAOUT8 FAULT GND 4314 F06
Figure 6. Paralleling LTC4314 Devices to Realize an 1:8 Multiplexer
4314f 13