Datasheet LTC2323-14 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Dual, 14-Bit + Sign, 5Msps Differential Input ADC with Wide Input Common Mode Range |
| 页数 / 页 | 26 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V,
该数据表的模型线
文件文字版本
LTC2323-14
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
–126 –80 20000 –83 –128 15000 –86 CH1 –89 –130 10000 –92 CH2 –132 CMRR (dB) –95 5000 CROSSTALK (dBc) –98 OUTPUT CODE (CH1, CH2) –134 O –101 –136 –104 –5000 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 100 200 FREQUENCY (MHz) FREQUENCY (MHz) TIME (ns) 232314 G10 232314 G11 232314 G12
Offset Error vs Temperature Gain Error vs Temperature REFOUT1,2 Output vs Temperature
0.6 0.5 200 0.4 100 0.4 0.3 CH2 0 0.2 0.2 4.096V 0.1 –100 0 0 LSB CH1 –200 –0.1 REFOUT (ppm) –0.2 2.048V –0.2 –300 GAIN ERROR (14-BIT LSB) –0.3 –0.4 –400 –0.4 –0.6 –0.4 –500 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232314 G15 232314 G13 232314 G14
IREF vs Temperature, Supply Current OVDD Current vs SCK Frequency, VREF = 4.096V vs Sample Frequency CLOAD = 10pF
0.680 8 16 6 0.675 14 4 12 CURRENT (mA) 0.670 DDOV REFERENCE CURRENT (mA) SUPPLY CURRENT (mA) 10 2 0.665 8 0 –40 –20 0 20 40 60 80 100 120 0.2 1.0 1.9 2.9 3.8 4.8 5.2 0 10 20 30 40 50 60 70 80 90 100 110 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232314 G16 232314 G17 232314 G18 232314fb For more information http://www.linear.com/LTC2323-14 7 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 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
–126 –80 20000 –83 –128 15000 –86 CH1 –89 –130 10000 –92 CH2 –132 CMRR (dB) –95 5000 CROSSTALK (dBc) –98 OUTPUT CODE (CH1, CH2) –134 O –101 –136 –104 –5000 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 100 200 FREQUENCY (MHz) FREQUENCY (MHz) TIME (ns) 232314 G10 232314 G11 232314 G12
Offset Error vs Temperature Gain Error vs Temperature REFOUT1,2 Output vs Temperature
0.6 0.5 200 0.4 100 0.4 0.3 CH2 0 0.2 0.2 4.096V 0.1 –100 0 0 LSB CH1 –200 –0.1 REFOUT (ppm) –0.2 2.048V –0.2 –300 GAIN ERROR (14-BIT LSB) –0.3 –0.4 –400 –0.4 –0.6 –0.4 –500 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 –50 0 50 100 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232314 G15 232314 G13 232314 G14
IREF vs Temperature, Supply Current OVDD Current vs SCK Frequency, VREF = 4.096V vs Sample Frequency CLOAD = 10pF
0.680 8 16 6 0.675 14 4 12 CURRENT (mA) 0.670 DDOV REFERENCE CURRENT (mA) SUPPLY CURRENT (mA) 10 2 0.665 8 0 –40 –20 0 20 40 60 80 100 120 0.2 1.0 1.9 2.9 3.8 4.8 5.2 0 10 20 30 40 50 60 70 80 90 100 110 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232314 G16 232314 G17 232314 G18 232314fb For more information http://www.linear.com/LTC2323-14 7 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 Revision History Typical Application Related Parts