Datasheet LTC2424, LTC2428 (Analog Devices) - 8

LTC2424/LTC2428
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 VIN = 0V 220 T VCC = 5.5V –40 A = 25°C FO = 0 210 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 SUPPLY CURRENT ( 170 –100 160 150 0 –120 – 55 –30 –5 20 45 70 95 120 –55 –30 –5 20 45 70 95 120 0 50 100 150 200 250 TEMPERATURE ( TEMPERATURE ( °C) °C) FREQUENCY AT VCC (Hz) 24248 G30 24248 G19 24248 G20
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) 24248 G21 24248 G22 24248 G23
Rejection vs Frequency at VIN Rejection vs Frequency at VIN Rejection vs Frequency at VIN
–60 0 0 VCC = 5V fS = 15,360Hz –70 VREF = 5V –20 V –20 IN = 2.5V F –80 O = 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 24248 G24 24248 G25 24248 F29 8