ltc2493 Linear Technology Corporation, ltc2493 Datasheet - Page 10

• Manufacturer Part Number: ltc2493
• Description: 24-bit 2-/4-channel Delta Sigma Adc With Easy Drive Input Current Cancellation And I2c Interface
• Manufacturer: Linear Technology Corporation

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