Datasheet LTC2321-12 (Analog Devices) - 4

LTC2321-12
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREFOUT1,2 Internal Reference Output Voltage 4.75V < VDD < 5.25V l 4.088 4.096 4.106 V 3.13V < VDD < 3.47V l 2.044 2.048 2.053 VREFOUT Temperature Coefficient (Note 14) l 3 20 ppm/°C REFOUT1,2 Output Impedance 0.25 Ω VREFOUT1,2 Line Regulation VDD = 4.75V to 5.25V 0.3 mV/V
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 4). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = -500µA l OVDD – 0.2 V VOL Low Level Output Voltage IO = 500µA l 0.2 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 µA ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = OVDD 10 mA VID LVDS Differential Input Voltage 100Ω Differential Termination, OVDD = 2.5V l 240 600 mV VIS LVDS Common Mode Input Voltage 100Ω Differential Termination, OVDD = 2.5V l 1 1.45 V VOD LVDS Differential Output Voltage 100Ω Differential Load, LVDS Mode, l 100 150 300 mV OVDD = 2.5V VOS LVDS Common Mode Output Voltage 100Ω Differential Load, LVDS Mode, l 0.85 1.2 1.4 V OVDD = 2.5V VOD_LP Low Power LVDS Differential Output 100Ω Differential Load, Low Power, l 75 100 250 mV Voltage LVDS Mode ,OVDD = 2.5V VOS_LP Low Power LVDS Common Mode 100Ω Differential Load, Low Power, l 0.9 1.2 1.4 V Output Voltage LVDS Mode ,OVDD = 2.5V 232112fb 4 For more information www.linear.com/LTC2321-12 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts