Datasheet LTC1609 (Analog Devices) - 6

LTC1609
W U TYPICAL PERFOR A CE CHARACTERISTICS Change in CAP Voltage Power Supply Rejection Supply Current vs Supply Voltage vs Load Current vs Ripple Frequency
15.0 0.05 0 fSAMPLE = 200kHz fSAMPLE = 200kHz 0.04 14.5 –10 0.03 14.0 0.02 –20 13.5 0.01 –30 13.0 0 –0.01 –40 12.5 –0.02 SUPPLY CURRENT (mA) –50 12.0 CHANGE IN CAP VOLTAGE (V) –0.03 POWER SUPPLY REJECTION (dB) 11.5 –60 –0.04 11.0 –0.05 –70 4.5 4.75 5.0 5.25 5.5 –14 –12 –10 –8 –6 –4 –2 0 2 4 1 10 100 1k 10k 100k 1M SUPPLY VOLTAGE (V) LOAD CURRENT (mA) RIPPLE FREQUENCY (Hz) 1609 G01 1609 G02 1609 G03
Typical INL Curve Typical DNL Curve Nonaveraged 4096 Point FFT Plot
2.0 2.0 0 fSAMPLE = 200kHz 1.5 1.5 f –20 IN = 1kHz SINAD = 87.2dB 1.0 1.0 THD = –100.1dB –40 0.5 0.5 –60 0 0 INL (LSB) DNL (LSB) –0.5 –0.5 –80 MAGNITUDE (dB) –1.0 –1.0 –100 –1.5 –1.5 –120 –2.0 –2.0 –130 0 16384 32768 49152 65535 0 16384 32768 49152 65535 0 25 50 75 100 CODE CODE FREQUENCY (kHz) 1609 G04 1609 G05 1609 G06
SINAD vs Input Frequency THD vs Input Frequency
95 –40 90 –50 85 –60 80 –70 75 –80 SINAD (dB) THD (dB) 70 –90 65 –100 60 –110 1 10 100 1 10 100 FREQUENCY (kHz) FREQUENCY (kHz) 1609 G07 1609 G08 1609fa 6