Datasheet LTC1411 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Single Supply 14-Bit 2.5Msps ADC |
| 页数 / 页 | 16 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Spurious Free Dynamic Range. S/(N + … |
| 文件格式/大小 | PDF / 233 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Spurious Free Dynamic Range. S/(N + D) vs Input Frequency. Integral Nonlinearity
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LTC1411
W U TYPICAL PERFOR A CE CHARACTERISTICS Spurious Free Dynamic Range S/(N + D) vs Input Frequency Integral Nonlinearity vs Input Frequency and Amplitude vs Output Code
0 86 1.0 0dB –10 80 0.8 –20 74 0.6 68 –30 –20dB 62 0.4 –40 56 0.2 –50 50 0 –60 SINAD (dB) 44 –40dB INL (LSB) –0.2 –70 DISTORTION (dB) 38 –80 –0.4 32 –90 26 –0.6 –100 20 –0.8 –110 14 –1.0 10 100 1000 10000 10 100 1000 10000 0 4096 8192 12288 16384 INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) OUTPUT CODE 1411 G04 1411 G05 1411 G07
Differential Nonlinearity vs Output Code Supply Current vs Temperature Supply Current vs Supply Voltage
1.0 45 46.5 VDD = 5V TA = 25°C 0.8 44 44.0 0.6 43 0.4 42 41.5 0.2 41 0 40 39.0 DNL (LSB) –0.2 39 36.5 –0.4 38 SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) –0.6 37 34.0 –0.8 36 –1.0 35 31.5 0 4096 8192 12288 16384 –50 –25 0 25 50 75 100 4.5 4.75 5.0 5.25 5.5 OUTPUT CODE TEMPERATURE (°C) VDD (V) 1411 G08 1411 G11 1411 G12
Histogram for 4096 Conversions 4096 Points FFT Plot (100kHz)
3500 0 SINAD = 78.8dB SFDR = 95dB 3000 –20 fSAMPLE = 2.5MHz fIN = 100kHz 2500 –40 2000 –60 COUNTS 1500 –80 AMPLITUDE (dB) 1000 –100 500 –120 0 –140 –1 0 1 0 250 500 750 1000 1250 CODE INPUT FREQUENCY (kHz) 1411 G13 1411 G14 1411f 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Spurious Free Dynamic Range S/(N + D) vs Input Frequency Integral Nonlinearity vs Input Frequency and Amplitude vs Output Code
0 86 1.0 0dB –10 80 0.8 –20 74 0.6 68 –30 –20dB 62 0.4 –40 56 0.2 –50 50 0 –60 SINAD (dB) 44 –40dB INL (LSB) –0.2 –70 DISTORTION (dB) 38 –80 –0.4 32 –90 26 –0.6 –100 20 –0.8 –110 14 –1.0 10 100 1000 10000 10 100 1000 10000 0 4096 8192 12288 16384 INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) OUTPUT CODE 1411 G04 1411 G05 1411 G07
Differential Nonlinearity vs Output Code Supply Current vs Temperature Supply Current vs Supply Voltage
1.0 45 46.5 VDD = 5V TA = 25°C 0.8 44 44.0 0.6 43 0.4 42 41.5 0.2 41 0 40 39.0 DNL (LSB) –0.2 39 36.5 –0.4 38 SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) –0.6 37 34.0 –0.8 36 –1.0 35 31.5 0 4096 8192 12288 16384 –50 –25 0 25 50 75 100 4.5 4.75 5.0 5.25 5.5 OUTPUT CODE TEMPERATURE (°C) VDD (V) 1411 G08 1411 G11 1411 G12
Histogram for 4096 Conversions 4096 Points FFT Plot (100kHz)
3500 0 SINAD = 78.8dB SFDR = 95dB 3000 –20 fSAMPLE = 2.5MHz fIN = 100kHz 2500 –40 2000 –60 COUNTS 1500 –80 AMPLITUDE (dB) 1000 –100 500 –120 0 –140 –1 0 1 0 250 500 750 1000 1250 CODE INPUT FREQUENCY (kHz) 1411 G13 1411 G14 1411f 5