Datasheet LTC2482 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 16-Bit ΔΣ ADC with Easy Drive Input Current Cancellation |
| 页数 / 页 | 32 / 3 — CONVERTER CHARACTERISTICS. The. denotes the specifi cations which apply … |
| 文件格式/大小 | PDF / 325 Kb |
| 文件语言 | 英语 |
CONVERTER CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
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LTC2482
CONVERTER CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Common Mode Rejection, 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Common Mode Rejection, 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Normal Mode Rejection, 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 7) l 110 120 dB Input Normal Mode Rejection, 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 8) l 110 120 dB Input Normal Mode Rejection, 50Hz/60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 9) l 87 dB Reference Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 120 140 dB Power Supply Rejection DC VREF = 2.5V, IN– = IN+ = GND 120 dB Power Supply Rejection, 50Hz ±2% VREF = 2.5V, IN– = IN+ = GND (Note 7) 120 dB Power Supply Rejection, 60Hz ±2% VREF = 2.5V, IN– = IN+ = GND (Note 8) 120 dB
ANALOG INPUT AND REFERENCE The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IN+ Absolute/Common Mode IN+ Voltage GND – 0.3V VCC + 0.3V V IN– Absolute/Common Mode IN– Voltage GND – 0.3V VCC + 0.3V V FS Full Scale of the Differential Input (IN+ – IN–) l 0.5VREF V LSB Least Signifi cant Bit of the Output Code l FS/216 VIN Input Differential Voltage Range (IN+ – IN–) l –FS +FS V VREF Reference Voltage Range l 0.1 VCC V CS (IN+) IN+ Sampling Capacitance 11 pF CS (IN–) IN– Sampling Capacitance 11 pF CS (VREF) VREF Sampling Capacitance 11 pF IDC_LEAK (IN+) IN+ DC Leakage Current Sleep Mode, IN+ = GND l –10 1 10 nA IDC_LEAK (IN–) IN– DC Leakage Current Sleep Mode, IN– = GND l –10 1 10 nA IDC_LEAK (VREF) VREF Leakage Current Sleep Mode, VREF = VCC l –100 1 100 nA 2482fc 3
CONVERTER CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Common Mode Rejection, 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Common Mode Rejection, 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Normal Mode Rejection, 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 7) l 110 120 dB Input Normal Mode Rejection, 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 8) l 110 120 dB Input Normal Mode Rejection, 50Hz/60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 9) l 87 dB Reference Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 120 140 dB Power Supply Rejection DC VREF = 2.5V, IN– = IN+ = GND 120 dB Power Supply Rejection, 50Hz ±2% VREF = 2.5V, IN– = IN+ = GND (Note 7) 120 dB Power Supply Rejection, 60Hz ±2% VREF = 2.5V, IN– = IN+ = GND (Note 8) 120 dB
ANALOG INPUT AND REFERENCE The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IN+ Absolute/Common Mode IN+ Voltage GND – 0.3V VCC + 0.3V V IN– Absolute/Common Mode IN– Voltage GND – 0.3V VCC + 0.3V V FS Full Scale of the Differential Input (IN+ – IN–) l 0.5VREF V LSB Least Signifi cant Bit of the Output Code l FS/216 VIN Input Differential Voltage Range (IN+ – IN–) l –FS +FS V VREF Reference Voltage Range l 0.1 VCC V CS (IN+) IN+ Sampling Capacitance 11 pF CS (IN–) IN– Sampling Capacitance 11 pF CS (VREF) VREF Sampling Capacitance 11 pF IDC_LEAK (IN+) IN+ DC Leakage Current Sleep Mode, IN+ = GND l –10 1 10 nA IDC_LEAK (IN–) IN– DC Leakage Current Sleep Mode, IN– = GND l –10 1 10 nA IDC_LEAK (VREF) VREF Leakage Current Sleep Mode, VREF = VCC l –100 1 100 nA 2482fc 3