Datasheet LTC2420 (Analog Devices) - 7

LTC2420
W U TYPICAL PERFOR A CE CHARACTERISTICS Conversion Current vs Temperature Sleep Current vs Temperature Rejection vs Frequency at VCC
230 30 –20 VCC = 4.1V V 220 IN = 0V V T CC = 5.5V –40 A = 25°C F 210 O = 0 µA) µA) VCC = 2.7V 20 200 –60 VCC = 4.1V VCC = 5V 190 –80 180 10 REJECTION (dB) V SUPPLY CURRENT ( CC = 2.7V 170 SUPPLY CURRENT ( –100 160 150 0 –120 – 55 –30 –5 20 45 70 95 120 –55 –30 –5 20 45 70 95 120 1 50 100 150 200 250 TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY AT VCC (Hz) 2420 G19 2420 G20 2420 G21
Rejection vs Frequency at VCC Rejection vs Frequency at VCC Rejection vs Frequency at VIN
0 0 0 VCC = 4.1V VCC = 4.1V VCC = 5V VIN = 0V VIN = 0V VREF = 5V –20 TA = 25°C –20 TA = 25°C –20 VIN = 2.5V FO = 0 FO = 0 FO = 0 –40 –40 –40 –60 –60 –60 REJECTION (dB) –80 REJECTION (dB) –80 REJECTION (dB) –80 –100 –100 –100 –120 –120 –120 15200 15250 15300 15350 15400 15450 15500 1 100 10k 1M 1 50 100 150 200 250 FREQUENCY AT VCC (Hz) FREQUENCY AT VCC (Hz) FREQUENCY AT VIN (Hz) 2420 G22 2420 G23 2420 G24
Rejection vs Frequency at VIN Rejection vs Frequency at VIN Rejection vs Frequency at VIN
–60 0 0 VCC = 5V –70 VREF = 5V –20 V –20 IN = 2.5V –80 FO = 0 –40 –40 –90 –60 –100 –60 –80 –110 REJECTION (dB) REJECTION (dB) –80 REJECTION (dB) –100 –120 –100 –130 –120 SAMPLE RATE = 15.36kHz ± 2% –140 –120 –140 –12 –8 –4 0 4 8 12 15100 15200 15300 15400 15500 0 fS/2 fS INPUT FREQUENCY DEVIATION FROM NOTCH FREQUENCY (%) FREQUENCY AT VIN (Hz) INPUT FREQUENCY 2420 G25 2420 G26 2420 F27 7