Datasheet

LTC2411/LTC2411-1
3
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IN
+
Absolute/Common Mode IN
+
Voltage ● GND – 0.3V V
CC
+ 0.3V V
IN
–
Absolute/Common Mode IN
–
Voltage ● GND – 0.3V V
CC
+ 0.3V V
V
IN
Input Differential Voltage Range ● –V
REF
/2 V
REF
/2 V
(IN
+
– IN
–
)
REF
+
Absolute/Common Mode REF
+
Voltage ● 0.1 V
CC
V
REF
–
Absolute/Common Mode REF
–
Voltage ● GND V
CC
– 0.1V V
V
REF
Reference Differential Voltage Range ● 0.1 V
CC
V
(REF
+
– REF
–
)
C
S
(IN
+
)IN
+
Sampling Capacitance 6 pF
C
S
(IN
–
)IN
–
Sampling Capacitance 6 pF
C
S
(REF
+
)REF
+
Sampling Capacitance 6 pF
C
S
(REF
–
)REF
–
Sampling Capacitance 6 pF
I
DC_LEAK
(IN
+
)IN
+
DC Leakage Current CS = V
CC
= 5.5V, IN
+
= GND ● –10 1 10 nA
I
DC_LEAK
(IN
–
)IN
–
DC Leakage Current CS = V
CC
= 5.5V, IN
–
= GND ● –10 1 10 nA
I
DC_LEAK
(REF
+
)REF
+
DC Leakage Current CS = V
CC
= 5.5V, REF
+
= 5V ● –10 1 10 nA
I
DC_LEAK
(REF
–
)REF
–
DC Leakage Current CS = V
CC
= 5.5V, REF
–
= GND ● –10 1 10 nA
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Common Mode Rejection DC 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 130 140 dB
GND ≤ IN
–
= IN
+
≤ 5V
Input Common Mode Rejection 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 140 dB
60Hz ±2% (LTC2411) GND ≤ IN
–
= IN
+
≤ 5V, (Note 7)
Input Common Mode Rejection 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 140 dB
50Hz ±2% (LTC2411) GND ≤ IN
–
= IN
+
≤ 5V, (Note 8)
Input Common Mode Rejection 2.5V < REF
+
< V
CC
, REF
–
= GND, ● 140 dB
49Hz to 61.2Hz (LTC2411-1) GND < IN
–
= IN
+
< V
CC
(Note 15)
Input Normal Mode Rejection (Note 7) ● 110 140 dB
60Hz ±2% (LTC2411)
Input Normal Mode Rejection (Note 8) ● 110 140 dB
50Hz ±2% (LTC2411)
Input Normal Mode Rejection (Note 15) ● 87 dB
49Hz to 61.2Hz (LTC2411-1)
Reference Common Mode 2.5V ≤ REF
+
≤ V
CC
, GND ≤ REF
–
≤ 2.5V, ● 130 140 dB
Rejection DC V
REF
= 2.5V, IN
–
= IN
+
= GND
Power Supply Rejection, DC REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND 110 dB
Power Supply Rejection, 60Hz ±2% REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 7) 120 dB
(LTC2411)
Power Supply Rejection, 50Hz ±2% REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 8) 120 dB
(LTC2411)
Power Supply Rejection, REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 15) 120 dB
49Hz to 61.2Hz (LTC2411-1)
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 3, 4)
CO VERTER CHARACTERISTICS
U
A ALOG I PUT A D REFERE CE
UU
U
U