Datasheet LTC1285, LTC1288 (Analog Devices) - 8

LTC1285/LTC1288
W BLOCK DIAGRAM
CS/SHDN V CLK CC (VCC/ V REF) (DIN) BIAS AND SERIAL PORT DOUT SHUTDOWN CIRCUIT IN+ (CH0) CSAMPLE – SAR IN– (CH1) + MICROPOWER COMPARATOR CAPACITIVE DAC LTC1285/88 • BD V GND REF PIN NAMES IN PARENTHESES REFER TO THE LTC1288
TEST CIRCUITS Load Circuit for tdDO, tr and tf Voltage Waveforms for DOUT Rise and Fall Times, tr, tf
1.4V VOH DOUT VOL 3k DOUT TEST POINT tr tf LTC1285/88 • TC02 100pF LTC1285/88 • TC01
Voltage Waveforms for D Load Circuit for t OUT Delay Times, tdDO dis and ten
TEST POINT CLK VIL t VCC tdis WAVEFORM 2, ten dDO 3k DOUT VOH tdis WAVEFORM 1 D 100pF OUT VOL LTC1285/88 • TC04 LTC1285/88 • TC03 8