LTC2482
3
2482fc
CONVERTER CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications 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 specications which apply over the full operating
temperature range, otherwise specications 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 Signicant 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