LTC1090 TEST CIRCUITSOn and Off Channel Leakage CurrentVoltage Waveforms for DOUT Delay Time, tdDO 5V SCLK 0.8V ION tdDO ON CHANNELS 2.4V A DOUT 0.4V IOFF A Voltage Waveforms for D OFF OUT Rise and Fall Times, tr, tf CHANNELS POLARITY 2.4V DOUT 0.4V LTC1090 • TC01 tr tf LTC1090 • TC02 Voltage Waveforms for ten and tdis 1 2 ACLK 2.0V CS DOUT WAVEFORM 1 2.4V 90% (SEE NOTE 1) ten tdis DOUT WAVEFORM 2 0.4V 10% (SEE NOTE 2) NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH THAT THE OUTPUT IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH THAT THE OUTPUT IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL LTC1090 • TC03 Load Circuit for tdis and tenLoad Circuit for tdDO, tr, and tf 1.4V TEST POINT 5V WAVEFORM 2 3k 3k DOUT DOUT TEST POINT 100pF WAVEFORM 1 100pF LTC1090 • TC04 LTC1090 • TC05 1090fc 5
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