Datasheet LTC2512-24 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 24-Bit Over-Sampling ADC with Configurable Flat Passband Digital Filter |
| Pages / Page | 38 / 7 — TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, |
| File Format / Size | PDF / 709 Kb |
| Document Language | English |
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
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LTC2512-24 TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 1.6Msps, DF = 4, Filtered Output, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity Integral Nonlinearity vs Input Voltage vs Input Voltage vs Output Code
3 1.0 3.50 0.8 2 0.6 1.75 1 0.4 0.2 0 0.0 0 DNL (LSB) –0.2 INL ERROR (ppm) –1 –0.4 INL ERROR (ppm) –1.75 –2 –0.6 –0.8 ARBITRARY DRIVE IN+/IN– SWEPT 0V to 5V –3 –1.0 –3.50 –5 –2.5 0 2.5 5 –5 –2.5 0 2.5 5 –5 –2.5 0 2.5 5 INPUT VOTLAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 251224 G01 251224 G02 251224 G03
DC Histogram, DF = 4 DC Histogram, DF = 8 DC Histogram, DF = 16
20000 20000 20000 σ = 23.9 σ = 16.9 σ = 12.02 16000 16000 16000 12000 12000 12000 COUNTS 8000 COUNTS 8000 COUNTS 8000 4000 4000 4000 0 0 0 –200 –100 0 100 200 –200 –100 0 100 200 –50 –25 0 25 50 CODE CODE CODE 251224 G04 251224 G05 251224 G06
128k Point FFT fSMPL = 1.6Msps, 128k Point FFT fSMPL = 1.6Msps, DC Histogram, DF = 32 fIN = 2kHz, DF = 4 fIN = 2kHz, DF = 8
20000 0 0 σ = 8.47 SNR = 108dB SNR = 111dB –20 –20 16000 –40 –40 –60 –60 12000 –80 –80 COUNTS –100 –100 8000 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 4000 –140 –140 –160 –160 0 –180 –180 –50 –25 0 25 50 0 50 100 150 200 0 25 50 75 100 CODE FREQUENCY (kHz) FREQUENCY (kHz) 251224 G07 251224 G09 251224 G08 251224fa For more information www.linear.com/LTC2512-24 7
TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 1.6Msps, DF = 4, Filtered Output, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity Integral Nonlinearity vs Input Voltage vs Input Voltage vs Output Code
3 1.0 3.50 0.8 2 0.6 1.75 1 0.4 0.2 0 0.0 0 DNL (LSB) –0.2 INL ERROR (ppm) –1 –0.4 INL ERROR (ppm) –1.75 –2 –0.6 –0.8 ARBITRARY DRIVE IN+/IN– SWEPT 0V to 5V –3 –1.0 –3.50 –5 –2.5 0 2.5 5 –5 –2.5 0 2.5 5 –5 –2.5 0 2.5 5 INPUT VOTLAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 251224 G01 251224 G02 251224 G03
DC Histogram, DF = 4 DC Histogram, DF = 8 DC Histogram, DF = 16
20000 20000 20000 σ = 23.9 σ = 16.9 σ = 12.02 16000 16000 16000 12000 12000 12000 COUNTS 8000 COUNTS 8000 COUNTS 8000 4000 4000 4000 0 0 0 –200 –100 0 100 200 –200 –100 0 100 200 –50 –25 0 25 50 CODE CODE CODE 251224 G04 251224 G05 251224 G06
128k Point FFT fSMPL = 1.6Msps, 128k Point FFT fSMPL = 1.6Msps, DC Histogram, DF = 32 fIN = 2kHz, DF = 4 fIN = 2kHz, DF = 8
20000 0 0 σ = 8.47 SNR = 108dB SNR = 111dB –20 –20 16000 –40 –40 –60 –60 12000 –80 –80 COUNTS –100 –100 8000 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) 4000 –140 –140 –160 –160 0 –180 –180 –50 –25 0 25 50 0 50 100 150 200 0 25 50 75 100 CODE FREQUENCY (kHz) FREQUENCY (kHz) 251224 G07 251224 G09 251224 G08 251224fa For more information www.linear.com/LTC2512-24 7
