Datasheet LTC2335-16 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 1Msps 8-Channel Differential ±10.24V Input SoftSpan ADC with Wide Input Common Mode Range |
| 页数 / 页 | 40 / 10 — Typical perForMance characTerisTics. TA = 25°C, VCC = +15V, VEE = –15V, … |
| 文件格式/大小 | PDF / 2.2 Mb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V,
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LTC2335-16
Typical perForMance characTerisTics TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 1Msps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT 32k Point FFT fSMPL = 1Msps, 32k Point FFT fSMPL = 1Msps, f f SMPL = 1Msps, IN+ = –7dBFS 2kHz IN = 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 = 94.5dB –40 SNR = 94.5dB –40 SFDR = 119dB THD = –109dB THD = –122dB SNR = 94.6dB –60 SINAD = 94.4dB –60 SINAD = 94.5dB –60 SFDR = 111dB –80 SFDR = 119dB –80 –80 –100 –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –140 –140 –140 –160 –160 –160 –180 –180 –180 0 100 200 300 400 500 0 100 200 300 400 500 0 100 200 300 400 500 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 233516 G10 233516 G11 233516 G12
32k Point FFT fSMPL = 1Msps, SNR, SINAD vs VREFBUF, THD, Harmonics vs VREFBUF, fIN = 2kHz fIN = 2kHz fIN = 2kHz
0 96 –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 = 92.2dB 95 THD THD = –117dB –60 SNR SINAD = 92.1dB –110 SFDR = 118dB –80 SINAD 2ND 94 –115 –100 3RD –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –120 –140 93 THD, HARMONICS (dBFS) –125 –160 –180 92 –130 0 100 200 300 400 500 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) 233516 G13 233516 G14 233516 G15
SNR, SINAD THD, Harmonics THD, Harmonics vs Input vs Input Frequency vs Input Frequency Common Mode, fIN = 2kHz
100.0 –70 0 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) 2V –20 P-P FULLY DIFFERENTIAL DRIVE 96.0 –80 –40 92.0 SNR –90 –60 SINAD 88.0 –100 –80 THD –100 84.0 SNR, SINAD (dBFS) –110 3RD THD, HARMONICS (dBFS) THD, HARMONICS (dBFS) –120 80.0 –120 2ND THD –140 76.0 –130 2ND 3RD –160 10 100 1k 10k 100k 10 100 1k 10k 100k –15 –10 –5 0 5 10 15 FREQUENCY (Hz) FREQUENCY (Hz) INPUT COMMON MODE (V) 233516 G16 233516 G17 233516 G18 233516f 10 For more information www.linear.com/LTC2335-16 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 1Msps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT 32k Point FFT fSMPL = 1Msps, 32k Point FFT fSMPL = 1Msps, f f SMPL = 1Msps, IN+ = –7dBFS 2kHz IN = 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 = 94.5dB –40 SNR = 94.5dB –40 SFDR = 119dB THD = –109dB THD = –122dB SNR = 94.6dB –60 SINAD = 94.4dB –60 SINAD = 94.5dB –60 SFDR = 111dB –80 SFDR = 119dB –80 –80 –100 –100 –100 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –140 –140 –140 –160 –160 –160 –180 –180 –180 0 100 200 300 400 500 0 100 200 300 400 500 0 100 200 300 400 500 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 233516 G10 233516 G11 233516 G12
32k Point FFT fSMPL = 1Msps, SNR, SINAD vs VREFBUF, THD, Harmonics vs VREFBUF, fIN = 2kHz fIN = 2kHz fIN = 2kHz
0 96 –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 = 92.2dB 95 THD THD = –117dB –60 SNR SINAD = 92.1dB –110 SFDR = 118dB –80 SINAD 2ND 94 –115 –100 3RD –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –120 –140 93 THD, HARMONICS (dBFS) –125 –160 –180 92 –130 0 100 200 300 400 500 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) 233516 G13 233516 G14 233516 G15
SNR, SINAD THD, Harmonics THD, Harmonics vs Input vs Input Frequency vs Input Frequency Common Mode, fIN = 2kHz
100.0 –70 0 ±10.24V RANGE ±10.24V RANGE ±10.24V RANGE TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) 2V –20 P-P FULLY DIFFERENTIAL DRIVE 96.0 –80 –40 92.0 SNR –90 –60 SINAD 88.0 –100 –80 THD –100 84.0 SNR, SINAD (dBFS) –110 3RD THD, HARMONICS (dBFS) THD, HARMONICS (dBFS) –120 80.0 –120 2ND THD –140 76.0 –130 2ND 3RD –160 10 100 1k 10k 100k 10 100 1k 10k 100k –15 –10 –5 0 5 10 15 FREQUENCY (Hz) FREQUENCY (Hz) INPUT COMMON MODE (V) 233516 G16 233516 G17 233516 G18 233516f 10 For more information www.linear.com/LTC2335-16 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts