Datasheet LTC2320-16 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | Octal, 16-Bit, 1.5Msps/Ch Simultaneous Sampling ADC |
| Seiten / Seite | 32 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 1.7 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 =
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LTC2320-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 1.5Msps, unless otherwise noted. Step Response CMRR vs Input Frequency Crosstalk vs Input Frequency (Large Signal Settling)
120 –90 32768 VCM = 4VP-P –91 115 –92 24576 –93 110 –94 16384 105 ALK (dB) –95 4.096V RANGE CMRR (dB) –96 8192 100 CROSST –97 OUTPUT CODE (LSB) –98 95 0 –99 IN+ = 1.5MHz SQUARE WAVE IN– = 0V 90 –100 –8192 0 500 1000 1500 0 100 200 300 400 500 600 700 –20 –10 0 10 20 30 40 50 60 70 80 90 FREQUENCY (kHz) FREQUENCY (kHz) SETTLING TIME (ns) 232016 G10 232016 G11 232016 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature REF Output vs T
250 400 1.00 REFBUFEN = 0V 200 350 (EXT REF BUF 0.50 150 OVERDRIVING REF BUF) VDD = 3.3V 300 0 100 ALUE (LSB) 250 –0.50 50 VREFOUT1,2,3,4 = 4.096V 0 200 –1.00 V Y CURRENT (μA) DD = 5V –50 150 –1.50 –100 TION FROM FINAL V 4.096V RANGE SUPPL 100 –2.00 REF OUTPUT ERROR (mV) –150 IN+ = 1.5MHz VREFOUT1,2,3,4 = 2.048V DEVIA SQUARE WAVE 50 –2.50 –200 IN– = 0V –250 0 –3.00 –20 –10 0 10 20 30 40 50 60 70 80 90 0 0.3 0.6 0.9 1.2 1.5 –55 –35 –15 5 25 45 65 85 105 125 SETTLING TIME (ns) SAMPLE FREQUENCY (Msps) TEMPERATURE (°C) 232016 G13 232016 G14 232016 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature Offset Error vs T vs Sample Frequency CLOAD C = 10pF LOAD ,
3 33 8 32 FULL SCALE SINUSOIDAL INPUTLVDS (4 LANES) 30 31 7 2 28 OV 6 29 DD 1 CMOS (2.5V, 8 LANES) 26 CURRENT L VDD = 5V 5 27 24 0 LSB 4 22 25 CMOS(1.8V, 8 LANES) VDS (mA) Y CURRENT (mA) 20 VDD = 3.3V 3 –1 CURRENT CMOS (mA) 23 18 SUPPL DD 2 LOW POWER LVDS (4 LANES) OV –2 16 21 1 14 –3 19 0 12 –55 –35 –15 5 25 45 65 85 105 125 0 0.3 0.6 0.9 1.2 1.5 0 50 100 150 200 250 300 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232016 G16 232016 G17 232016 G18 232016fb For more information www.linear.com/LTC2320-16 9 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 .32673 Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics ADC Timing Characteristics ADC Timing Characteristics Typical Performance Characteristics Pin Functions CMOS data output option (CMOS/LVDS = low) LVDS data output option (CMOS/LVDS = high or FLOAT) Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 1.5Msps, unless otherwise noted. Step Response CMRR vs Input Frequency Crosstalk vs Input Frequency (Large Signal Settling)
120 –90 32768 VCM = 4VP-P –91 115 –92 24576 –93 110 –94 16384 105 ALK (dB) –95 4.096V RANGE CMRR (dB) –96 8192 100 CROSST –97 OUTPUT CODE (LSB) –98 95 0 –99 IN+ = 1.5MHz SQUARE WAVE IN– = 0V 90 –100 –8192 0 500 1000 1500 0 100 200 300 400 500 600 700 –20 –10 0 10 20 30 40 50 60 70 80 90 FREQUENCY (kHz) FREQUENCY (kHz) SETTLING TIME (ns) 232016 G10 232016 G11 232016 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature REF Output vs T
250 400 1.00 REFBUFEN = 0V 200 350 (EXT REF BUF 0.50 150 OVERDRIVING REF BUF) VDD = 3.3V 300 0 100 ALUE (LSB) 250 –0.50 50 VREFOUT1,2,3,4 = 4.096V 0 200 –1.00 V Y CURRENT (μA) DD = 5V –50 150 –1.50 –100 TION FROM FINAL V 4.096V RANGE SUPPL 100 –2.00 REF OUTPUT ERROR (mV) –150 IN+ = 1.5MHz VREFOUT1,2,3,4 = 2.048V DEVIA SQUARE WAVE 50 –2.50 –200 IN– = 0V –250 0 –3.00 –20 –10 0 10 20 30 40 50 60 70 80 90 0 0.3 0.6 0.9 1.2 1.5 –55 –35 –15 5 25 45 65 85 105 125 SETTLING TIME (ns) SAMPLE FREQUENCY (Msps) TEMPERATURE (°C) 232016 G13 232016 G14 232016 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature Offset Error vs T vs Sample Frequency CLOAD C = 10pF LOAD ,
3 33 8 32 FULL SCALE SINUSOIDAL INPUTLVDS (4 LANES) 30 31 7 2 28 OV 6 29 DD 1 CMOS (2.5V, 8 LANES) 26 CURRENT L VDD = 5V 5 27 24 0 LSB 4 22 25 CMOS(1.8V, 8 LANES) VDS (mA) Y CURRENT (mA) 20 VDD = 3.3V 3 –1 CURRENT CMOS (mA) 23 18 SUPPL DD 2 LOW POWER LVDS (4 LANES) OV –2 16 21 1 14 –3 19 0 12 –55 –35 –15 5 25 45 65 85 105 125 0 0.3 0.6 0.9 1.2 1.5 0 50 100 150 200 250 300 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232016 G16 232016 G17 232016 G18 232016fb For more information www.linear.com/LTC2320-16 9 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 .32673 Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics ADC Timing Characteristics ADC Timing Characteristics Typical Performance Characteristics Pin Functions CMOS data output option (CMOS/LVDS = low) LVDS data output option (CMOS/LVDS = high or FLOAT) Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Typical Application Related Parts