Datasheet LTC2323-12 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Dual, 12-Bit + Sign, 5Msps Differential Input ADC with Wide Input Common Mode Range |
| Seiten / Seite | 26 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 1.2 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 =
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LTC2323-12
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 = 4.096V, fSMPL = 5Msps, unless otherwise noted. (Note 16) Output Match with Simultaneous Crosstalk vs Input Frequency CMRR vs Input Frequency Input Steps at CH1, CH2
–128 –80 5000 –83 4000 –86 3000 –89 CH2 –130 –92 2000 CMRR (dB) –95 CH1 CROSSTALK (dBc) 1000 –98 OUTPUT CODE (CH1, CH2) –101 0 –132 –104 –1000 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 100 200 INPUT FREQUENCY (MHz) FREQUENCY (MHz) TIME (ns) 232312 G10 232312 G11 232312 G12
Offset Error vs Temperature Gain Error vs Temperature REFOUT1,2 Output vs Temperature
0.50 0.15 200 0.40 100 0.30 0.10 0 0.20 4.096V 0.10 0.05 –100 CH2 LSB 0 CH1 –200 –0.10 0 REFOUT (ppm) GAIN ERROR (LSB) 2.048V –0.20 –300 –0.30 –0.05 –400 –0.40 –0.50 –0.10 –500 –50 –25 0 25 50 75 100 125 150 –40 –25 –10 5 20 35 50 65 80 95 110 125 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232312 G13 232312 G14 232312 G15
Reference Current vs Temperature, Supply Current OVDD Current vs SCK Frequency, VREF = 4.096V vs Sample Frequency CLOAD = 10pF
0.680 8 14 6 0.675 12 4 10 CURRENT (mA) 0.670 DDOV SUPPLY CURRENT (mA) 2 REFERENCE CURRENT (mA) 8 0.665 6 0 –40 –20 0 20 40 60 80 100 120 0 1 2 3 4 5 6 0 10 20 30 40 50 60 70 80 90 100 110 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232312 G16 232312 G17 232312 G18 232312fb For more information www.linear.com/LTC2323-12 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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 = 4.096V, fSMPL = 5Msps, unless otherwise noted. (Note 16) Output Match with Simultaneous Crosstalk vs Input Frequency CMRR vs Input Frequency Input Steps at CH1, CH2
–128 –80 5000 –83 4000 –86 3000 –89 CH2 –130 –92 2000 CMRR (dB) –95 CH1 CROSSTALK (dBc) 1000 –98 OUTPUT CODE (CH1, CH2) –101 0 –132 –104 –1000 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 100 200 INPUT FREQUENCY (MHz) FREQUENCY (MHz) TIME (ns) 232312 G10 232312 G11 232312 G12
Offset Error vs Temperature Gain Error vs Temperature REFOUT1,2 Output vs Temperature
0.50 0.15 200 0.40 100 0.30 0.10 0 0.20 4.096V 0.10 0.05 –100 CH2 LSB 0 CH1 –200 –0.10 0 REFOUT (ppm) GAIN ERROR (LSB) 2.048V –0.20 –300 –0.30 –0.05 –400 –0.40 –0.50 –0.10 –500 –50 –25 0 25 50 75 100 125 150 –40 –25 –10 5 20 35 50 65 80 95 110 125 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232312 G13 232312 G14 232312 G15
Reference Current vs Temperature, Supply Current OVDD Current vs SCK Frequency, VREF = 4.096V vs Sample Frequency CLOAD = 10pF
0.680 8 14 6 0.675 12 4 10 CURRENT (mA) 0.670 DDOV SUPPLY CURRENT (mA) 2 REFERENCE CURRENT (mA) 8 0.665 6 0 –40 –20 0 20 40 60 80 100 120 0 1 2 3 4 5 6 0 10 20 30 40 50 60 70 80 90 100 110 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232312 G16 232312 G17 232312 G18 232312fb For more information www.linear.com/LTC2323-12 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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