Datasheet LTC2508-32 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 32-Bit Over-Sampling ADC with Configurable Digital Filter |
| 页数 / 页 | 36 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, … |
| 文件格式/大小 | PDF / 1.4 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
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LTC2508-32
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 1Msps, DF = 256, Filtered Output, unless otherwise noted. 8k Point FFT fSMPL = 1Msps, Dynamic Range, Transition Noise Frequency Response, fIN = 10Hz, DF = 16384 vs DF DF = 256, 1024, 4096, 16384
0 150 0.10 DR = 145dB 0 DF=256 –20 DF=1024 DF=4096 –40 145 0.08 TRANSITION NOISE (ppm) DF=16384 –60 –50 –80 140 0.06 –100 –120 135 0.04 AMPLITUDE (dBFS) –140 –100 DYNAMIC RANGE (dB) –160 130 0.02 –180 –200 125 0 –150 0 7 15 23 31 256 1024 4096 16384 0 fSMPL/1024 3fSMPL/1024 FREQUENCY (Hz) DOWN SAMPLING FACTOR (DF) fSMPL/512 fSMPL/256 250832 G10 250832 G11 250832 G12
Dynamic Range vs Reference THD, Harmonics vs Reference SNR, SINAD vs Input level, Voltage, fIN = 200Hz, Voltage, fIN = 200Hz, fIN = 200Hz AIN = –20dBFS AIN = –1dBFS
140 134 –110 135 132 SNR –115 130 130 THD SINAD 125 128 –120 DR (dB) 3RD 120 126 SNR,SINAD (dBFS) HARMONICS, THD (dBFS) –125 2ND 115 124 110 122 –130 –40 –30 –20 –10 0 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE (V) 250832 G13 250832 G14 250832 G15
Dynamic Range vs Temperature, THD, Harmonics vs Temperature, fIN = 100Hz, AIN = –20dBFS Shutdown Current vs Temperature fIN = 200Hz, AIN = –1dBFS
140 40 –110 135 30 THD –120 3RD 130 20 2ND DR (dB) –130 125 10 HARMONICS, THD (dBFS) POWER–DOWN CURRENT (µA) 120 0 –140 –40 –15 10 35 60 85 –40 –15 10 35 60 85 –40 –15 10 35 60 85 TEMPERATURE (oC) TEMPERATURE (°C) TEMPERATURE (oC) 250832 G16 250832 G17 250832 G18 250832fc 8 For more information www.linear.com/LTC2508-32
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 1Msps, DF = 256, Filtered Output, unless otherwise noted. 8k Point FFT fSMPL = 1Msps, Dynamic Range, Transition Noise Frequency Response, fIN = 10Hz, DF = 16384 vs DF DF = 256, 1024, 4096, 16384
0 150 0.10 DR = 145dB 0 DF=256 –20 DF=1024 DF=4096 –40 145 0.08 TRANSITION NOISE (ppm) DF=16384 –60 –50 –80 140 0.06 –100 –120 135 0.04 AMPLITUDE (dBFS) –140 –100 DYNAMIC RANGE (dB) –160 130 0.02 –180 –200 125 0 –150 0 7 15 23 31 256 1024 4096 16384 0 fSMPL/1024 3fSMPL/1024 FREQUENCY (Hz) DOWN SAMPLING FACTOR (DF) fSMPL/512 fSMPL/256 250832 G10 250832 G11 250832 G12
Dynamic Range vs Reference THD, Harmonics vs Reference SNR, SINAD vs Input level, Voltage, fIN = 200Hz, Voltage, fIN = 200Hz, fIN = 200Hz AIN = –20dBFS AIN = –1dBFS
140 134 –110 135 132 SNR –115 130 130 THD SINAD 125 128 –120 DR (dB) 3RD 120 126 SNR,SINAD (dBFS) HARMONICS, THD (dBFS) –125 2ND 115 124 110 122 –130 –40 –30 –20 –10 0 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE (V) 250832 G13 250832 G14 250832 G15
Dynamic Range vs Temperature, THD, Harmonics vs Temperature, fIN = 100Hz, AIN = –20dBFS Shutdown Current vs Temperature fIN = 200Hz, AIN = –1dBFS
140 40 –110 135 30 THD –120 3RD 130 20 2ND DR (dB) –130 125 10 HARMONICS, THD (dBFS) POWER–DOWN CURRENT (µA) 120 0 –140 –40 –15 10 35 60 85 –40 –15 10 35 60 85 –40 –15 10 35 60 85 TEMPERATURE (oC) TEMPERATURE (°C) TEMPERATURE (oC) 250832 G16 250832 G17 250832 G18 250832fc 8 For more information www.linear.com/LTC2508-32