Datasheet LTC2341-16 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Dual, 16-Bit, 666ksps/ch Differential SoftSpan ADC with Wide Input Common Mode Range |
| Pages / Page | 38 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| File Format / Size | PDF / 2.2 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, Internal
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LTC2341-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 666ksps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT fSMPL = 666kHz, IN+ = –7dBFS 2kHz 32k Point FFT fSMPL = 666kHz, SNR, SINAD vs VREFBUF, Sine, IN– Sine, IN = –7dBFS 3.3kHz Sine = -7dBFS 3.2kHz Sine fIN IN = 2kHz fIN = 2kHz = 2kHz
0 0 98 ±4.096V RANGE 0V TO 4.096V RANGE ±VREFBUF RANGE –20 ARBITRARY DRIVE –20 UNIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) SFDR = 112dB –40 –40 SNR = 88.7dB 96 SNR = 93.5dB THD = –112dB –60 –60 SINAD = 88.7dB SNR SFDR = 113dB 94 –80 –80 SINAD –100 –100 92 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –140 –140 90 –160 –160 –180 –180 88 0 111 222 333 0 111 222 333 2.5 3 3.5 4 4.5 5 FREQUENCY (kHz) FREQUENCY (kHz) REFBUF VOLTAGE (V) 234116 G10 234116 G11 234116 G12
THD, Harmonics vs VREFBUF, SNR, SINAD THD, Harmonics fIN = 2kHz vs Input Frequency vs Input Frequency IN
–100 104 –60 ±V ±4.096V RANGE ±4.096V RANGE REFBUF RANGE –105 FULLY DIFFERENIAL DRIVE (IN– = –IN+) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 100 –70 –110 96 –80 THD –115 92 –90 –120 SNR THD 3RD 88 –100 –125 SINAD 2ND SNR, SINAD (dBFS) 84 –110 THD, HARMONICS (dBFS) –130 2ND THD, HARMONICS (dBFS) –135 80 –120 3RD –140 76 –130 2.5 3 3.5 4 4.5 5 100 1k 10k 100k 1M 100 1k 10k 100k 1M REFBUF VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 234116 G13 234116 G14 234116 G15
THD, Harmonics vs Input SNR, SINAD vs Input Level, CMRR vs Input Frequency and Common Mode, fIN Common Mode, f = 2kHz f IN = 2kHz IN = 2kHz Channel IN
–100 94.2 130 ±4.096V RANGE ±4.096V RANGE ±4.096V RANGE 1VP–P FULLY DIFFERENTIAL DRIVE FULLY DIFFERENTIAL DRIVE (IN– = –IN+) IN+ = IN– = 3.6VP–P SINE 120 ALL CHANNELS –110 94.0 110 THD –120 93.8 100 SNR 3RD –130 93.6 90 CMRR (dB) SINAD 2ND SNR, SINAD (dBFS) 80 THD, HARMONICS (dBFS) –140 93.4 70 –150 93.2 60 0 1 2 3 4 5 –40 –30 –20 –10 0 10 100 1k 10k 100k 1M INPUT COMMON MODE (V) INPUT LEVEL (dBFS) FREQUENCY (Hz) 234116 G16 234116 G17 234116 G18 234116f 10 For more information www.linear.com/LTC2341-16 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 666ksps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT fSMPL = 666kHz, IN+ = –7dBFS 2kHz 32k Point FFT fSMPL = 666kHz, SNR, SINAD vs VREFBUF, Sine, IN– Sine, IN = –7dBFS 3.3kHz Sine = -7dBFS 3.2kHz Sine fIN IN = 2kHz fIN = 2kHz = 2kHz
0 0 98 ±4.096V RANGE 0V TO 4.096V RANGE ±VREFBUF RANGE –20 ARBITRARY DRIVE –20 UNIPOLAR DRIVE (IN– = 0V) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) SFDR = 112dB –40 –40 SNR = 88.7dB 96 SNR = 93.5dB THD = –112dB –60 –60 SINAD = 88.7dB SNR SFDR = 113dB 94 –80 –80 SINAD –100 –100 92 –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –140 –140 90 –160 –160 –180 –180 88 0 111 222 333 0 111 222 333 2.5 3 3.5 4 4.5 5 FREQUENCY (kHz) FREQUENCY (kHz) REFBUF VOLTAGE (V) 234116 G10 234116 G11 234116 G12
THD, Harmonics vs VREFBUF, SNR, SINAD THD, Harmonics fIN = 2kHz vs Input Frequency vs Input Frequency IN
–100 104 –60 ±V ±4.096V RANGE ±4.096V RANGE REFBUF RANGE –105 FULLY DIFFERENIAL DRIVE (IN– = –IN+) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 100 –70 –110 96 –80 THD –115 92 –90 –120 SNR THD 3RD 88 –100 –125 SINAD 2ND SNR, SINAD (dBFS) 84 –110 THD, HARMONICS (dBFS) –130 2ND THD, HARMONICS (dBFS) –135 80 –120 3RD –140 76 –130 2.5 3 3.5 4 4.5 5 100 1k 10k 100k 1M 100 1k 10k 100k 1M REFBUF VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 234116 G13 234116 G14 234116 G15
THD, Harmonics vs Input SNR, SINAD vs Input Level, CMRR vs Input Frequency and Common Mode, fIN Common Mode, f = 2kHz f IN = 2kHz IN = 2kHz Channel IN
–100 94.2 130 ±4.096V RANGE ±4.096V RANGE ±4.096V RANGE 1VP–P FULLY DIFFERENTIAL DRIVE FULLY DIFFERENTIAL DRIVE (IN– = –IN+) IN+ = IN– = 3.6VP–P SINE 120 ALL CHANNELS –110 94.0 110 THD –120 93.8 100 SNR 3RD –130 93.6 90 CMRR (dB) SINAD 2ND SNR, SINAD (dBFS) 80 THD, HARMONICS (dBFS) –140 93.4 70 –150 93.2 60 0 1 2 3 4 5 –40 –30 –20 –10 0 10 100 1k 10k 100k 1M INPUT COMMON MODE (V) INPUT LEVEL (dBFS) FREQUENCY (Hz) 234116 G16 234116 G17 234116 G18 234116f 10 For more information www.linear.com/LTC2341-16 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration 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
