Datasheet LTC2325-16 (Analog Devices) - 8

LTC2325-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
8 1.0 40000 σ = 1.5 6 36000 32000 4 0.5 28000 2 24000 0 0 20000 COUNTS –2 16000 INL ERROR (LSB) DNL ERROR (LSB) 12000 –4 –0.5 8000 –6 4000 –8 –1.0 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –10 –8 –6 –4 –2 0 2 4 6 8 10 OUTPUT CODE OUTPUT CODE CODE 232516 G01 232516 G02 232516 G03
32k Point FFT, fSMPL = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (1kHz to 2.2MHz) Frequency (1kHz to 2.2MHz)
0 83.0 –80 SNR = 82.1dB THD = –88.1dB 82.8 –84 –20 SINAD = 81.5dB THD 82.6 –88 SFDR = 90.2dB –40 82.4 –92 –60 82.2 SNR –96 HD3 82.0 –100 –80 81.8 –104 HD2 AMPLITUDE (dBFS) SINAD –100 81.6 –108 SNR, SINAD LEVEL (dBFS) 81.4 –112 –120 THD, HARMONICS LEVEL (dBFS) 81.2 –116 –140 81.0 –120 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 232516 G04 232516 G05 232516 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 32k Point FFT, IMD, fSMPL = 5Msps, Mode f + – IN = 2.2MHz AIN = 1.2MHz, AIN = 2.2MHz
–80 84 0 f = 2.2MHz f = 2.2MHz THD = 86dB –83 83 SNR VCM = 1MHz, 4Vpp 82 –20 –86 THD 81 SINAD –89 80 –40 79 –92 HD3 78 –60 –95 77 –98 76 –80 HD2 75 –101 74 AMPLITUDE (dBFS) –100 SNR, SINAD LEVEL (dBFS) –104 73 THD, HARMONICS LEVEL (dBFS) 72 –120 –107 71 –110 70 –140 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.5 1 1.5 2 2.5 INPUT COMMON MODE (V) VREFOUT(V) FREQUENCY (MHz) 232516 G07 232516 G08 232516 G09 232516fa 8 For more information www.linear.com/LTC2325-16 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Typical Application Related Parts