Datasheet LTC1416 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Low Power 14-Bit, 400ksps Sampling ADC |
| 页数 / 页 | 20 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. S/(N + D) vs Input Frequency. … |
| 文件格式/大小 | PDF / 338 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. S/(N + D) vs Input Frequency. Signal-to-Noise Ratio. and Amplitude. vs Input Frequency
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LTC1416
W U TYPICAL PERFORMANCE CHARACTERISTICS S/(N + D) vs Input Frequency Signal-to-Noise Ratio and Amplitude vs Input Frequency Distortion vs Input Frequency
90 90 0 VIN = 0dB 80 –10 80 –20 70 70 VIN = –20dB –30 60 60 –40 50 50 –50 40 40 –60 –70 30 30 VIN = –60dB –80 20 20 3RD SIGNAL-TO-NOISE RATIO (dB) –90 THD SIGNAL/(NOISE + DISTORTION) (dB) 10 10 –100 2ND AMPLITUDE (dB BELOW THE FUNDAMENTAL) 0 0 –110 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1416 G01 1416 G02 1416 G03
Spurious-Free Dynamic Range Differential Nonlinearity vs Input Frequency Intermodulation Distortion Plot vs Output Code
0 0 1.0 f V –10 SAMPLE = 400kHz OUT = ±2.5V f V a=87.01171876kHz REF = 2.5V –20 –20 fb=113.1835938kHz 0.5 –30 –40 –40 –60 –50 0 –60 –80 –70 AMPLITUDE (dB) DNL ERROR (LSB) –100 –0.5 –80 –120 SPURIOUS-FREE DYNAMIC RANGE (dB) –90 –100 –140 –1.0 1k 10k 100k 1M 2M 0 20 40 60 80 100 120 140 160 180 200 0 4096 8192 12288 16384 INPUT FREQUENCY (Hz) FREQUENCY (Hz) OUTPUT CODE 1416 G04 1416 G05 1416 G06
Integral Nonlinearity Power Supply Feedthrough Input Common Mode Rejection vs Output Code vs Ripple Frequency vs Input Frequency
1.0 0 80 VOUT = ±2.5V –10 VREF = 2.5V 70 –20 0.5 60 –30 50 –40 0 –50 40 –60 30 AMPLITUDE OF INL ERROR (LSB) –70 DGND (VIN = 100mV) –0.5 20 –80 VSS (VIN = 10mV) COMMON MODE REJECTION (dB) POWER SUPPLY FEEDTHROUGH (dB) 10 –90 VDD (VIN = 10mV) –1.0 –100 0 0 4096 8192 12288 16384 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M OUTPUT CODE RIPPLE FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1416 G07 1416 G08 1416 G09 5
W U TYPICAL PERFORMANCE CHARACTERISTICS S/(N + D) vs Input Frequency Signal-to-Noise Ratio and Amplitude vs Input Frequency Distortion vs Input Frequency
90 90 0 VIN = 0dB 80 –10 80 –20 70 70 VIN = –20dB –30 60 60 –40 50 50 –50 40 40 –60 –70 30 30 VIN = –60dB –80 20 20 3RD SIGNAL-TO-NOISE RATIO (dB) –90 THD SIGNAL/(NOISE + DISTORTION) (dB) 10 10 –100 2ND AMPLITUDE (dB BELOW THE FUNDAMENTAL) 0 0 –110 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1416 G01 1416 G02 1416 G03
Spurious-Free Dynamic Range Differential Nonlinearity vs Input Frequency Intermodulation Distortion Plot vs Output Code
0 0 1.0 f V –10 SAMPLE = 400kHz OUT = ±2.5V f V a=87.01171876kHz REF = 2.5V –20 –20 fb=113.1835938kHz 0.5 –30 –40 –40 –60 –50 0 –60 –80 –70 AMPLITUDE (dB) DNL ERROR (LSB) –100 –0.5 –80 –120 SPURIOUS-FREE DYNAMIC RANGE (dB) –90 –100 –140 –1.0 1k 10k 100k 1M 2M 0 20 40 60 80 100 120 140 160 180 200 0 4096 8192 12288 16384 INPUT FREQUENCY (Hz) FREQUENCY (Hz) OUTPUT CODE 1416 G04 1416 G05 1416 G06
Integral Nonlinearity Power Supply Feedthrough Input Common Mode Rejection vs Output Code vs Ripple Frequency vs Input Frequency
1.0 0 80 VOUT = ±2.5V –10 VREF = 2.5V 70 –20 0.5 60 –30 50 –40 0 –50 40 –60 30 AMPLITUDE OF INL ERROR (LSB) –70 DGND (VIN = 100mV) –0.5 20 –80 VSS (VIN = 10mV) COMMON MODE REJECTION (dB) POWER SUPPLY FEEDTHROUGH (dB) 10 –90 VDD (VIN = 10mV) –1.0 –100 0 0 4096 8192 12288 16384 1k 10k 100k 1M 2M 1k 10k 100k 1M 2M OUTPUT CODE RIPPLE FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1416 G07 1416 G08 1416 G09 5