Datasheet LTC2415, LTC2415-1 (Analog Devices) - 3

LTC2415/LTC2415-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Negative Gain Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.03 ppm of VREF/°C IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Output Noise 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, 1.1 µVRMS GND ≤ IN– = IN+ ≤ VCC, (Note 13)
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Common Mode Rejection DC 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 130 140 dB GND ≤ IN– = IN+ ≤ VCC Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 140 dB 60Hz ±2% (LTC2415) GND ≤ IN– = IN+ ≤ VCC, (Note 7) Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 140 dB 50Hz ±2% (LTC2415) GND ≤ IN– = IN+ ≤ VCC, (Note 8) Input Normal Mode Rejection (Note 7) l 110 140 dB 60Hz ±2% (LTC2415) Input Normal Mode Rejection (Note 8) l 110 140 dB 50Hz ±2% (LTC2415) Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 140 dB 49Hz to 61.2Hz (LTC2415-1) Input Normal Mode Rejection FO = GND l 87 dB 49Hz to 61.2Hz (LTC2415-1) Input Normal Mode Rejection External Oscillator l 87 dB External Clock fEOSC/2560 ±14% (LTC2415-1) Input Normal Mode Rejection External Oscillator l 110 140 dB External Clock fEOSC/2560 ±4% (LTC2415-1) Reference Common Mode 2.5V ≤ REF+ ≤ VCC, GND ≤ REF– ≤ 2.5V, l 130 140 dB Rejection DC VREF = 2.5V, IN– = IN+ = GND Power Supply Rejection, DC REF+ = VCC, REF– = GND, IN– = IN+ = GND 100 dB Power Supply Rejection, 60Hz ±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND, (Note 7) 120 dB Power Supply Rejection, 50Hz ±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND, (Note 8) 120 dB
ANALOG INPUT AND REFERENCE The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IN+ Absolute/Common Mode IN+ Voltage ● GND – 0.3V VCC + 0.3V V IN– Absolute/Common Mode IN– Voltage ● GND – 0.3V VCC + 0.3V V VIN Input Differential Voltage Range ● –VREF/2 VREF/2 V (IN+ – IN–) REF+ Absolute/Common Mode REF+ Voltage ● 0.1 VCC V REF– Absolute/Common Mode REF– Voltage ● GND VCC – 0.1V V VREF Reference Differential Voltage Range ● 0.1 VCC V (REF+ – REF–) 2415fa For more information www.linear.com/LTC2415 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Converter Characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Analog Input and Reference The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Electrical Characteristics 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. (Notes 3) Power Requirements The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) Analog Input and Reference The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Timing Characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3,4) Typical Performance Characteristics Pin Functions Functional Block Diagram Test Circuits Applications Information Typical Applications PCB Layout and Film Package Description Revision History Typical Application Related Parts