LTC1863/LTC1867 CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. With external reference (Notes 5, 6)LTC1863LTC1867LTC1867APARAMETERCONDITIONSMINTYPMAXMINTYPMAXMINTYPMAXUNITS Resolution l 12 16 16 Bits No Missing Codes l 12 15 16 Bits Integral Linearity Error Unipolar (Note 7) l ±1 ±4 ±2 LSB Bipolar l ±1 ±4 ±2.5 LSB Differential Linearity Error l ±1 –2 3 –1 1.75 LSB Transition Noise 0.1 0.74 0.74 LSBRMS Offset Error Unipolar (Note 8) l ±3 ±32 ±32 LSB Bipolar l ±4 ±64 ±64 LSB Offset Error Match Unipolar ±1 ±2 ±2 LSB Bipolar ±1 ±2 ±2 LSB CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. With external reference (Notes 5, 6)LTC1863LTC1867LTC1867APARAMETERCONDITIONSMINTYPMAXMINTYPMAXMINTYPMAXUNITS Offset Error Drift ±0.5 ±0.5 ±0.5 ppm/°C Gain Error Unipolar ±6 ±96 ±64 LSB Bipolar ±6 ±96 ±64 LSB Gain Error Match ±1 ±4 ±2 LSB Gain Error Tempco Internal Reference ±15 ±15 ±15 ppm/°C External Reference ±2.7 ±2.7 ±2.7 ppm/°C Power Supply Sensitivity VDD = 4.75V – 5.25V ±1 ±5 ±5 LSB DYNAMIC ACCURACY (Note 5)LTC1863LTC1867/LTC1867ASYMBOL PARAMETERCONDITIONSMINTYPMAXMINTYPMAXUNITS SNR Signal-to-Noise Ratio 1kHz Input Signal 73.6 89 dB S/(N+D) Signal-to-(Noise + Distortion) Ratio 1kHz Input Signal 73.5 88 dB THD Total Harmonic Distortion 1kHz Input Signal, Up to 5th Harmonic –94.5 –95 dB Peak Harmonic or Spurious Noise 1kHz Input Signal –94.5 –95 dB Channel-to-Channel Isolation 100kHz Input Signal –100 –117 dB Full Power Bandwidth –3dB Point 1.25 1.25 MHz Rev. E For more information www.analog.com 3 Document Outline Features Applications Block Diagram Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Dynamic Accuracy Analog Input Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Typical Connection Diagram Test Circuits Timing Diagrams Applications Information Package Description Revision History Related Parts
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