LTC2485 LINER [Linear Technology], LTC2485 Datasheet - Page 7

• Manufacturer Part Number: LTC2485
• Description: 24-Bit ?? ADC with Easy Drive Input Current Cancellation and I2C Interface
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
–0.1
–0.3
–0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.4
1.0
0.9
0.8
0.7
0.6
0.5
0.3
0.2
0.1
0
–2.5
2.7
–45
RMS Noise
vs Input Differential Voltage
RMS Noise vs V
Offset Error vs Temperature
V
V
V
T
V
V
V
T
V
V
V
V
CC
REF
IN(CM)
A
A
CC
REF
IN
IN(CM)
REF
IN
IN(CM)
–30
–2
= 25°C
= 25°C
= 0V
3.1
= 0V
= 5V
INPUT DIFFERENTIAL VOLTAGE (V)
= 5V
= 5V
= 2.5V
= 5V
–1.5
–15
= 2.5V
= GND
= GND
3.5
–1
TEMPERATURE (°C)
0
–0.5
3.9
15
V
CC
CC
0
(V)
30
4.3
0.5
45
4.7
1
60
W
1.5
5.1
75
2485 G10
2
2485 G13
2485 G16
U
2.5
5.5
90
–0.1
–0.3
–0.2
0.3
0.2
1.0
0.9
0.6
0.4
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.1
0.8
0.7
0.5
0
2.7
–1
Offset Error vs V
RMS Noise vs V
RMS Noise vs V
0
V
V
V
T
REF
REF
V
V
T
V
V
V
V
T
A
A
CC
IN
IN(CM)
A
IN
IN(CM)
CC
REF
IN
IN(CM)
= 25°C
= 25°C
= 25°C
3.1
+
–
= 0V
= 0V
= 0V
= 5V
= 5V
0
= 5V
= 2.5V
= GND
1
= GND
= GND
= GND
3.5
1
2
V
3.9
V
2
IN(CM)
V
REF
CC
IN(CM)
REF
CC
(V)
(V)
4.3
3
(V)
3
4.7
4
4
5.1
5
2485 G14
2485 G17
2485 G11
5.5
6
5
–0.1
–0.3
–0.1
–0.2
–0.3
–0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.3
0.2
0.1
0.1
0
0
–45
–1
Offset Error vs V
RMS Noise vs Temperature (T
0
Offset Error vs V
V
V
V
V
V
V
V
T
CC
REF
IN
IN(CM)
CC
REF
IN
A
–30 –15
= 25°C
= 0V
= 0V
= 5V
0
= 5V
= 5V
= 5V
1
= GND
1
TEMPERATURE (°C)
0
2
V
V
2
IN(CM)
15
REF
REF
IN(CM)
(V)
LTC2485
30
3
(V)
3
45
V
REF
V
V
T
A
4
CC
IN
IN(CM)
= 25°C
–
= 0V
60
= 5V
4
= GND
5
= GND
75
A
2485 G12
2485.G18
2485 G15
)
2485fa
7
90
6
5