LTM9002 DIGITAL INPUTS AND OUTPUTSThe l denotes the specifi cations which apply over the full operatingtemperature range, otherwise specifi cations are at TA = 25°C. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSLogic Inputs (AMPSHDN) VIL Low Level Input Voltage l 0.8 V VIH High Level Input Voltage l 2.4 V IIL Input Low Current AMPSHDN = 0.8V l 0.5 μA IIH Input High Current AMPSHDN = 2.4V l 1.4 3 μA Logic OutputsOVDD = 3V COZ Hi-Z Output Capacitance OE = 3V (Note 6) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3V 50 mA VOH High Level Output Voltage IO = –10μA 2.995 V IO = –200μA l 2.7 2.99 V VOL Low Level Output Voltage IO = 10μA 0.005 V IO = 1.6mA l 0.09 0.4 V OVDD = 2.5V VOH High Level Output Voltage IO = –200μA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V OVDD = 1.8V VOH High Level Output Voltage IO = –200μA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.1 V ThePOWER REQUIREMENTS l denotes the specifi cations which apply over the full operating temperaturerange, otherwise specifi cations are at TA = 25°C. (Note 7)SYMBOL PARAMETERCONDITIONSMINTYPMAXUNITS VCC Amplifi er and Auxiliary DAC l 2.85 3.0 3.4 V Operating Supply Range VDD ADC Analog Supply Voltage l 2.85 3.0 3.5 V OVDD Output Supply Voltage l 0.5 3.0 3.6 V ICC Amplifi er DAC Powered Up, Both Amplifi ers Enabled, LTM9002-AA l 180 207 mA Both Amplifi ers Enabled, LTM9002-LA l 90 120 mA ICC(SHDN) Amplifi er Shutdown Supply Current AMPSHDN = 3V, DAC Powered Down 0.7 mA IDD(ADC) ADC Supply Current LTM9002-AA l 263 313 mA LTM9002-LA l 140 159 mA PD(SHDN) ADC Shutdown Power (Each Channel) ADCSHDN = AMPSHDN = 3V, OE = 3V, No CLK 2 mW PD(NAP) ADC Nap Mode Power (Each Channel) ADCSHDN = AMPSHDN = 3V, OE = 0V, No CLK 15 mW PD(AMP) Amplifi er Power Dissipation DAC Powered Up, LTM9002-AA 540 mW LTM9002-LA 270 mW PD(ADC) ADC Power Dissipation LTM9002-AA l 790 939 mW LTM9002-LA l 420 477 mW PD(TOTAL) Total Power Dissipation fSAMPLE = MAX, LTM9002-AA 1329 mW fSAMPLE = MAX, LTM9002-LA 690 mW 9002f 5
