Datasheet LTC1418 (Analog Devices) - 3

LTC1418
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 5, 6) LTC1418 LTC1418A PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Resolution (No Missing Codes) l 13 14 Bits Integral Linearity Error (Note 7) l ±0.8 ±2 ±0.5 ±1.25 LSB Differential Linearity Error l ±0.7 ±1.5 ±0.35 ±1 LSB Offset Error (Note 8) l ±5 ±20 ±2 ±10 LSB Full-Scale Error Internal Reference ±10 ±60 ±20 ±60 LSB External Reference = 2.5V ±5 ±30 ±5 ±15 LSB Full-Scale Tempco IOUT(REF) = 0, Internal Reference, Commercial l ±15 ±10 ±45 ppm/°C IOUT(REF) = 0, Internal Reference, Industrial ±20 ppm/°C IOUT(REF) = 0, External Reference ±5 ±1 ppm/°C
ANALOG INPUT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Analog Input Range (Note 9) 4.75V ≤ VDD ≤ 5.25V (Unipolar) l 0 to 4.096 V 4.75V ≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –4.75V (Bipolar) l ±2.048 V IIN Analog Input Leakage Current CS = High l ±1 µA CIN Analog Input Capacitance Between Conversions (Sample Mode) 25 pF During Conversions (Hold Mode) 5 pF tACQ Sample-and-Hold Acquisition Time Commercial l 300 1000 ns Industrial l 300 1000 ns
DYNAMIC ACCURACY The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio 97.5kHz Input Signal l 79 81.5 dB THD Total Harmonic Distortion 100kHz Input Signal, First 5 Harmonics l –94 –86 dB SFDR Spurious Free Dynamic Range 100kHz Input Signal l 86 95 dB IMD Intermodulation Distortion fIN1 = 97.7kHz, fIN2 = 104.2kHz –90 dB Full Power Bandwidth 5 MHz Full Linear Bandwidth S/(N + D) ≥ 77dB 0.5 MHz 1418fa For more information www.linear.com/LTC1418 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Package/Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Test Circuit Block Diagram Applications Information Package Description Package Description Revision History Typical Application Related Parts