Datasheet LTC2333-18 (Analog Devices) - 10
| Fabricante | Analog Devices |
| Descripción | Buffered 8-Channel, 18-Bit, 800ksps Differential ±10.24V ADC with 30VP-P Common Mode Range |
| Páginas / Página | 40 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VCC = +15V, VEE = –15V, … |
| Formato / tamaño de archivo | PDF / 2.2 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V,
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LTC2333-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 800ksps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT 32k Point FFT fSMPL = 800ksps, 32k Point FFT fSMPL = 800ksps, fSMPL = 800ksps, IN+ = –7dBFS 2kHz fIN = 2kHz fIN = 2kHz Sine, IN– = –7dBFS 3.1kHz Sine
0 0 0 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE –20 TRUE BIPOLAR DRIVE (IN– = 0V) –20 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) –20 ARBITRARY DRIVE –40 SNR = 96.4dB –40 SNR = 96.4dB –40 SFDR = 120dB THD = –109dB THD = –117dB SNR = 96.5dB –60 SINAD = 96.2dB –60 SINAD = 96.4dB –60 SFDR = 111dB SFDR = 120dB –80 –80 –80 –100 –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –140 –140 –140 –160 –160 –160 –180 –180 –180 0 100 200 300 400 0 100 200 300 400 0 100 200 300 400 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 233318 G10 233318 G11 233318 G12
32k Point FFT fSMPL = 800ksps, SNR, SINAD vs VREFBUF, THD, Harmonics vs VREFBUF, fIN = 2kHz fIN = 2kHz fIN = 2kHz
0 100 –100 ±5.12V RANGE ±2.5 • VREFBUF RANGE ±2.5 • VREFBUF RANGE –20 TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) –105 –40 SNR = 92.7dB 98 THD = –114dB SNR –60 SINAD = 92.7dB –110 THD SFDR = 117dB 96 –80 SINAD –115 –100 2ND 94 –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –120 –140 THD, HARMONICS (dBFS) 92 –125 3RD –160 –180 90 –130 0 100 200 300 400 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 FREQUENCY (kHz) REFBUF VOLTAGE (V) REFBUF VOLTAGE (V) 233318 G13 233318 G14 233318 G15
SNR, SINAD THD, Harmonics vs Input vs Input Frequency THD vs Input Frequency Common Mode, fIN = 2kHz
102 –60 0 ±10.24V RANGE ±10.24V RANGE ±10.24V SOFTSPAN TRUE BIPOLAR DRIVE (IN– = 0V) 2V –20 P–P FULLY DIFFERENTIAL DRIVE 98 TRUE BIPOLAR DRIVE (IN– = 0V) –70 –40 SNR 94 –80 –60 10kΩ –11V ≤ VCM ≤ 11V 90 SINAD –90 SOURCE 1kΩ –80 SOURCE THD (dBFS) –100 86 SNR, SINAD (dBFS) –100 THD THD, HARMONICS (dBFS) –120 82 –110 50Ω SOURCE –140 3RD 2ND 78 –120 –160 100 1k 10k 100k 10 100 1k 10k 100k –15 –10 –5 0 5 10 15 FREQUENCY (Hz) FREQUENCY (Hz) INPUT COMMON MODE (V) 233318 G16 233318 G17 233318 G18 233318f 10 For more information www.linear.com/LTC2333-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 800ksps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT 32k Point FFT fSMPL = 800ksps, 32k Point FFT fSMPL = 800ksps, fSMPL = 800ksps, IN+ = –7dBFS 2kHz fIN = 2kHz fIN = 2kHz Sine, IN– = –7dBFS 3.1kHz Sine
0 0 0 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE –20 TRUE BIPOLAR DRIVE (IN– = 0V) –20 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) –20 ARBITRARY DRIVE –40 SNR = 96.4dB –40 SNR = 96.4dB –40 SFDR = 120dB THD = –109dB THD = –117dB SNR = 96.5dB –60 SINAD = 96.2dB –60 SINAD = 96.4dB –60 SFDR = 111dB SFDR = 120dB –80 –80 –80 –100 –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –140 –140 –140 –160 –160 –160 –180 –180 –180 0 100 200 300 400 0 100 200 300 400 0 100 200 300 400 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 233318 G10 233318 G11 233318 G12
32k Point FFT fSMPL = 800ksps, SNR, SINAD vs VREFBUF, THD, Harmonics vs VREFBUF, fIN = 2kHz fIN = 2kHz fIN = 2kHz
0 100 –100 ±5.12V RANGE ±2.5 • VREFBUF RANGE ±2.5 • VREFBUF RANGE –20 TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) –105 –40 SNR = 92.7dB 98 THD = –114dB SNR –60 SINAD = 92.7dB –110 THD SFDR = 117dB 96 –80 SINAD –115 –100 2ND 94 –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –120 –140 THD, HARMONICS (dBFS) 92 –125 3RD –160 –180 90 –130 0 100 200 300 400 2.5 3 3.5 4 4.5 5 2.5 3 3.5 4 4.5 5 FREQUENCY (kHz) REFBUF VOLTAGE (V) REFBUF VOLTAGE (V) 233318 G13 233318 G14 233318 G15
SNR, SINAD THD, Harmonics vs Input vs Input Frequency THD vs Input Frequency Common Mode, fIN = 2kHz
102 –60 0 ±10.24V RANGE ±10.24V RANGE ±10.24V SOFTSPAN TRUE BIPOLAR DRIVE (IN– = 0V) 2V –20 P–P FULLY DIFFERENTIAL DRIVE 98 TRUE BIPOLAR DRIVE (IN– = 0V) –70 –40 SNR 94 –80 –60 10kΩ –11V ≤ VCM ≤ 11V 90 SINAD –90 SOURCE 1kΩ –80 SOURCE THD (dBFS) –100 86 SNR, SINAD (dBFS) –100 THD THD, HARMONICS (dBFS) –120 82 –110 50Ω SOURCE –140 3RD 2ND 78 –120 –160 100 1k 10k 100k 10 100 1k 10k 100k –15 –10 –5 0 5 10 15 FREQUENCY (Hz) FREQUENCY (Hz) INPUT COMMON MODE (V) 233318 G16 233318 G17 233318 G18 233318f 10 For more information www.linear.com/LTC2333-18