Datasheet LTC2372-18 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 18-Bit, 500ksps, 8-Channel SAR ADC with 100dB SNR |
| Pages / Page | 50 / 4 — c onverTer characTerisTics The. denotes the specifications which apply … |
| File Format / Size | PDF / 2.0 Mb |
| Document Language | English |
c onverTer characTerisTics The. denotes the specifications which apply over the full operating
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Text Version of Document
LTC2372-18
c onverTer 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
Full-Scale Error Drift Fully Differential REFBUF = 4.096V (REFBUF Overdriven) (Note 9) 0.2 ppm/°C Pseudo-Differential Unipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) 0.2 ppm/°C Pseudo-Differential Bipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) 0.2 ppm/°C Full-Scale Error Match Fully Differential REFBUF = 4.096V (REFBUF Overdriven) (Note 9) l –18 ±2 18 LSB Pseudo-Differential Unipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) l –24 ±4 24 LSB Pseudo-Differential Bipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) l –28 ±4 28 LSB
Dyna Mic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C and AIN = –1dBFS. (Notes 4, 10) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 96 99.8 dB Pseudo-Differential Unipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 90.5 94.9 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 90.5 94.9 dB Fully Differential fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 101.5 dB Pseudo-Differential Unipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.6 dB Pseudo-Differential Bipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.6 dB Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 98.3 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 93.3 dB SNR Signal-to-Noise Ratio Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 96.5 100 dB Pseudo-Differential Unipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 91 95 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 91 95 dB Fully Differential fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 102 dB Pseudo-Differential Unipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.8 dB Pseudo-Differential Bipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.8 dB Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 98.5 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 93.4 dB 237218f 4 For more information www.linear.com/LTC2372-18 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Schematics Package Description Typical Application Related Parts
c onverTer 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
Full-Scale Error Drift Fully Differential REFBUF = 4.096V (REFBUF Overdriven) (Note 9) 0.2 ppm/°C Pseudo-Differential Unipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) 0.2 ppm/°C Pseudo-Differential Bipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) 0.2 ppm/°C Full-Scale Error Match Fully Differential REFBUF = 4.096V (REFBUF Overdriven) (Note 9) l –18 ±2 18 LSB Pseudo-Differential Unipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) l –24 ±4 24 LSB Pseudo-Differential Bipolar REFBUF = 4.096V (REFBUF Overdriven) (Note 9) l –28 ±4 28 LSB
Dyna Mic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C and AIN = –1dBFS. (Notes 4, 10) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 96 99.8 dB Pseudo-Differential Unipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 90.5 94.9 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 90.5 94.9 dB Fully Differential fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 101.5 dB Pseudo-Differential Unipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.6 dB Pseudo-Differential Bipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.6 dB Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 98.3 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 93.3 dB SNR Signal-to-Noise Ratio Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 96.5 100 dB Pseudo-Differential Unipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 91 95 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven) l 91 95 dB Fully Differential fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 102 dB Pseudo-Differential Unipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.8 dB Pseudo-Differential Bipolar fIN = 1kHz, REFBUF = 5V (REFBUF Overdriven) (Note 9) 96.8 dB Fully Differential fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 98.5 dB Pseudo-Differential Bipolar fIN = 1kHz, REFIN = 2.048V (REFIN Overdriven), SEL = 1 93.4 dB 237218f 4 For more information www.linear.com/LTC2372-18 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Schematics Package Description Typical Application Related Parts
