Datasheet LTC2320-14 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | Octal, 14-Bit + Sign, 1.5Msps/Ch Simultaneous Sampling ADC |
| Seiten / Seite | 34 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 2.2 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4
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LTC2320-14
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 16384 VCM = 4VP-P –91 115 –92 12288 110 –93 –94 8192 105 ALK (dB) –95 4.096V RANGE CMRR (dB) –96 4096 100 CROSST –97 OUTPUT CODE (LSB) 95 –98 0 –99 IN+ = 1.5MHz SQUARE WAVE IN– = 0V 90 –100 –4096 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) 232014 G10 232014 G11 232014 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature REF Output vs T
125 400 1.0 REFBUFEN = 0V 100 350 (EXT REF BUF 0.5 75 OVERDRIVING REF BUF) VDD = 3.3V 300 0 50 ALUE (LSB) 25 250 –0.5 VREFOUT1,2,3,4 = 4.096V 0 200 –1.0 –25 Y CURRENT (uA) VDD = 5V 150 –1.5 –50 4.096V RANGE TION FROM FINAL V SUPPL IN+ = 1.5MHz 100 –2.0 REF OUTPUT ERROR (mV) –75 V SQUARE WAVE REFOUT1,2,3,4 = 2.048V DEVIA –100 50 –2.5 IN– = 0V –125 0 –3.0 –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) 232014 G13 232014 G14 232014 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature Offset Error vs T vs Sample Frequency CLOAD = 10pF LOAD
1.5 33 8 32 FULL SCALE SINUSOIDAL INPUT 7 30 1 31 LVDS (4 LANES) 28 OV 29 6 DD 26 0.5 CURRENT L V CMOS (2.5V, 8 LANES) DD = 5V 5 27 24 0 LSB 4 22 25 CMOS(1.8V, 8 LANES) Y CURRENT (mA) VDS (mA) 20 V 3 –0.5 DD = 3.3V CURRENT CMOS (mA) 23 18 SUPPL DD 2 LOW POWER LVDS (4 LANES) OV 16 –1 21 1 14 –1.5 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) 232014 G16 232014 G17 232014 G18 232014fa 10 For more information www.linear.com/LTC2320-14 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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 Revision History 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 16384 VCM = 4VP-P –91 115 –92 12288 110 –93 –94 8192 105 ALK (dB) –95 4.096V RANGE CMRR (dB) –96 4096 100 CROSST –97 OUTPUT CODE (LSB) 95 –98 0 –99 IN+ = 1.5MHz SQUARE WAVE IN– = 0V 90 –100 –4096 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) 232014 G10 232014 G11 232014 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature REF Output vs T
125 400 1.0 REFBUFEN = 0V 100 350 (EXT REF BUF 0.5 75 OVERDRIVING REF BUF) VDD = 3.3V 300 0 50 ALUE (LSB) 25 250 –0.5 VREFOUT1,2,3,4 = 4.096V 0 200 –1.0 –25 Y CURRENT (uA) VDD = 5V 150 –1.5 –50 4.096V RANGE TION FROM FINAL V SUPPL IN+ = 1.5MHz 100 –2.0 REF OUTPUT ERROR (mV) –75 V SQUARE WAVE REFOUT1,2,3,4 = 2.048V DEVIA –100 50 –2.5 IN– = 0V –125 0 –3.0 –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) 232014 G13 232014 G14 232014 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature Offset Error vs T vs Sample Frequency CLOAD = 10pF LOAD
1.5 33 8 32 FULL SCALE SINUSOIDAL INPUT 7 30 1 31 LVDS (4 LANES) 28 OV 29 6 DD 26 0.5 CURRENT L V CMOS (2.5V, 8 LANES) DD = 5V 5 27 24 0 LSB 4 22 25 CMOS(1.8V, 8 LANES) Y CURRENT (mA) VDS (mA) 20 V 3 –0.5 DD = 3.3V CURRENT CMOS (mA) 23 18 SUPPL DD 2 LOW POWER LVDS (4 LANES) OV 16 –1 21 1 14 –1.5 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) 232014 G16 232014 G17 232014 G18 232014fa 10 For more information www.linear.com/LTC2320-14 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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 Revision History Typical Application Related Parts