LTC2308 BLOCK DIAGRAM AVDD DVDD OVDD CH0 LTC2308 CH1 CH2 SDI CH3 ANALOG + 12-BIT INPUT SERIAL SDO 500ksps CH4 MUX – PORT ADC SCK CH5 CONVST CH6 VREF CH7 INTERNAL 8k COM 2.5V REF GAIN = 1.6384x REFCOMP 2308 BD GND TEST CIRCUITLoad Circuit for tdis WAVEFORM 1Load Circuit for tdis WAVEFORM 2, ten VDD 3k SDO TEST POINT SDO TEST POINT 3k CL CL 2308 TC02 2308 TC01 2308fc For more information www.linear.com/LTC2308 9