Datasheet

LTC2493
10
2493fd
V
CC
(V)
2 2.5
0
OFFSET ERROR (µV)
100
250
3
4
4.5
2493 G34
50
200
150
3.5
5
5.5
V
REF
= 2.5V
V
IN
= 0V
V
IN(CM)
= GND
f
O
= GND
T
A
= 25°C
V
REF
(V)
0
OFFSET ERROR (µV)
190
200
210
3
5
2493 G35
180
170
160
1 2 4
220
230
240
V
CC
= 5V
V
IN
= 0V
V
IN(CM)
= GND
f
O
= GND
T
A
= 25°C
FREQUENCY AT V
CC
(Hz)
1
0
–20
40
60
80
–100
–120
–140
1k 100k
2493 G36
10 100
10k 1M
REJECTION (dB)
V
CC
= 4.1V DC ±0.7V
REF
+
= 2.5V
REF
= GND
IN
+
= GND
IN
= GND
f
O
= GND
T
A
= 25°C
FREQUENCY AT V
CC
(Hz)
0
–140
RREJECTION (dB)
–120
80
60
40
0
20
100
140
2493 G37
–100
20
80
180
220200
40
60
120 160
V
CC
= 4.1V DC ±1.4V
REF
+
= 2.5V
REF
= GND
IN
+
= GND
IN
= GND
f
O
= GND
T
A
= 25°C
FREQUENCY AT V
CC
(Hz)
30600
60
40
0
30750
2493 G38
80
–100
30650 30700 30800
–120
–140
20
REJECTION (dB)
V
CC
= 4.1V DC ±0.7V
REF
+
= 2.5V
REF
= GND
IN
+
= GND
IN
= GND
f
O
= GND
T
A
= 25°C
Typical perForMance characTerisTics
Offset Error vs V
CC
(2x Speed Mode)
Offset Error vs V
REF
(2x Speed Mode)
PSRR vs Frequency at V
CC
(2x Speed Mode)
PSRR vs Frequency at V
CC
(2x Speed Mode)
PSRR vs Frequency at V
CC
(2x Speed Mode)