Datasheet LTC1407-1, LTC1407A-1 (Analog Devices) - 8

LTC1407-1/LTC1407A-1
TYPICAL PERFORMANCE CHARACTERISTICS VDD = 3V, TA = 25°C. Single ended signals drive +CH0/+CH1 with –CH0/–CH1 = 1.5V DC, differential signals drive both inputs with VCM = 1.5V DC (LTC1407A-1) Differential and Integral Linearity vs Conversion Rate SINAD vs Conversion Rate
8 78 7 77 6 76 5 75 4 MAX INL 3 74 2 73 MAX DNL 1 S/(N+D) (dB) 72 LINEARITY (LSB) 0 MIN DNL 71 –1 MIN INL EXTERNAL V 70 REF = 3.3V, fIN ~ fS/3 –2 EXTERNAL VREF = 3.3V, fIN ~ fS/40 INTERNAL V –3 69 REF = 2.5V, fIN ~ fS/3 INTERNAL VREF = 2.5V, fIN ~ fS/40 –4 68 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 2 2.5 3 3.5 4 CONVERSION RATE (MSPS) CONVERSION RATE (Msps) 14071 G19 14071 G20
VDD = 3V, TA = 25°C (LTC1407-1/LTC1407A-1) Full-Scale Signal Frequency Response CMRR vs Frequency Crosstalk vs Frequency
12 0 –20 6 –30 –20 0 –40 –40 –6 –50 –12 –60 CH0 CH1 –60 –18 CMRR (dB) AMPLITUDE (dB) –80 CROSSTALK (dB) CH1 TO CH0 –70 –24 CH0 TO CH1 –100 –30 –80 –36 –120 –90 1M 10M 100M 1G 100 1k 10k 100k 1M 10M 100M 100 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 14071 G21 14071 G22 14071 G23
Output Match with Simultaneous Input Steps at CH0 and CH1 from 25Ω PSSR vs Frequency
16384 –25 CH0 AND CH1 –30 14336 RISING –35 12288 –40 10240 –45 CH0 8192 CH1 –50 PSRR (dB) OUTPUT CODE 6144 –55 4096 –60 CH0 AND CH1 2048 –65 FALLING 0 –70 –5 0 5 10 15 20 25 1 10 100 1k 10k 100k 1M TIME (ns) FREQUENCY (Hz) 14071 G25 14071 G24 14071fb 8