Datasheet LTC2358-16 (Analog Devices) - 10

LTC2358-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = +15V, VEE = –15V, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF  = 4.096V), fSMPL = 200ksps, unless otherwise noted. 32k Point Arbitrary Two-Tone FFT 32k Point FFT fSMPL = 200kHz, 32k Point FFT fSMPL = 200kHz, f f SMPL = 200kHz, IN+ = –7dBFS 2kHz IN = 2kHz fIN = 2kHz Sine, IN– = –7dBFS 3.1kHz Sine
0 0 ±10.24V RANGE 0 ±10.24V RANGE ±10.24V RANGE –20 TRUE BIPOLAR DRIVE (IN– = 0V) –20 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) –20 ARBITRARY DRIVE –40 SNR = 94.3dB –40 SNR = 94.3dB –40 SFDR = 118dB THD = –111dB THD = –115dB SNR = 94.3dB –60 SINAD = 94.2dB –60 SINAD = 94.3dB –60 SFDR = 113dB –80 SFDR = 120dB –80 –80 –100 –100 –100 6.2kHz –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –120 AMPLITUDE (dBFS) –140 –140 –140 –160 –160 –160 –180 –180 –180 0 20 40 60 80 100 0 20 40 60 80 100 0 20 40 60 80 100 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 235816 G10 235816 G11 235816 G12
32k Point FFT fSMPL = 200kHz, SNR, SINAD vs VREFBUF, THD, Harmonics vs VREFBUF, fIN = 2kHz fIN = 2kHz fIN = 2kHz
0 96 –105 ±5.12V RANGE ±2.5 • V ±2.5 • V REFBUF RANGE REFBUF RANGE –20 TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) TRUE BIPOLAR DRIVE (IN– = 0V) –110 –40 SNR = 91.8dB 95 THD = –113dB SNR –60 SINAD = 91.7dB –115 SFDR = 116dB 94 –80 SINAD THD –120 –100 93 2ND –120 AMPLITUDE (dBFS) SNR, SINAD (dBFS) –125 –140 THD, HARMONICS (dBFS) 92 –130 –160 3RD –180 91 –135 0 20 40 60 80 100 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) 235816 G13 235816 G14 235816 G15
SNR, SINAD THD, Harmonics vs Input vs Input Frequency THD vs Input Frequency Common Mode, fIN = 2kHz
100 –60 0 ±10.24V RANGE ±10.24V RANGE 95 TRUE BIPOLAR DRIVE (IN– = 0V) 2V –70 –20 P–P FULLY DIFFERENTIAL DRIVE 90 SNR –40 –80 85 SINAD –60 –90 1kΩ –11V ≤ VCM ≤ 11V 80 10kΩ SOURCE –80 SOURCE –100 75 –100 SNR, SINAD (dBFS) –110 THD 70 THD, HARMONICS (dBFS) THD, HARMONICS (dBFS) –120 50Ω SOURCE 65 ±10.24V RANGE –120 –140 TRUE BIPOLAR DRIVE (IN– = 0V) 3RD 2ND 60 –130 –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) 235816 G16 235816 G17 235816 G18 Rev A 10 For more information www.analog.com 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 POWER REQUIREMENTS ADC TIMING CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS CONFIGURATION TABLES FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM APPLICATIONS INFORMATION BOARD LAYOUT PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS