LTC2496
2496fb
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
converTer characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
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 60Hz ±2%
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 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 (Notes 7, 9)
120
dB
Power Supply Rejection, 60Hz ±2%
VREF = 2.5V, IN+ = IN– = GND (Notes 8, 9)
120
dB
analog inpuT anD reFerence
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
(IN+ Corresponds to the Selected Positive Input Channel)
GND – 0.3V
VCC + 0.3V
V
IN–
Absolute/Common Mode IN– Voltage
(IN– Corresponds to the Selected Positive Input Channel)
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range (IN+ – IN–)
l
–FS
+FS
V
FS
Full Scale of the Differential Input (IN+ – IN–)
l
0.5 VREF
V
LSB
Least Significant Bit of the Output Code
l
FS/216
REF+
Absolute/Common Mode REF+ Voltage
l
0.1
VCC
V
REF–
Absolute/Common Mode REF– Voltage
l
GND
REF+ – 0.1V
V
VREF
Reference Voltage Range (REF+ – REF–)
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 (REF+) REF+ DC Leakage Current
Sleep Mode, REF+ = VCC
l
–100
1
100
nA
IDC_LEAK (REF–) REF– DC Leakage Current
Sleep Mode, REF– = GND
l
–100
1
100
nA
tOPEN
MUX Break-Before-Make
50
ns
QIRR
MUX Off Isolation
VIN = 2VP-P DC to 1.8MHz
120
dB
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Total Unadjusted Error
5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V
2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
15
ppm of VREF
Output Noise
5.5V ≤ VCC ≤ 2.7V, 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 13)
0.6
VRMS