LTC2487 Linear Technology, LTC2487 Datasheet - Page 7

• Manufacturer Part Number: LTC2487
• Description: 16-Bit 2-/4-Channel ADC
• Manufacturer: Linear Technology

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Typical perForMance characTerisTics
–0.1
–0.3
–0.2
1.0
0.9
0.4
0.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.8
0.7
0.6
0.5
0.3
0.2
0
–2.5
2.7
–45
RMS Noise
vs Input Differential Voltage
RMS Noise vs V
Offset Error vs Temperature
V
V
V
T
F
V
V
V
T
F
GAIN = 256
V
V
V
V
F
A
O
A
O
O
CC
REF
IN(CM)
REF
IN
IN(CM)
CC
REF
IN
IN(CM)
–30
–2
= 25°C
= GND
= 25°C
= GND
= GND
= 0V
3.1
= 0V
= 5V
= 5V
INPUT DIFFERENTIAL VOLTAGE (V)
= 5V
= 2.5V
= 5V
–1.5
–15
= GND
= 2.5V
= 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
1.5
5.1
75
2487 G16
2487 G10
2487 G13
2
5.5
2.5
90
–0.1
–0.3
–0.2
1.0
0.9
0.7
0.6
0.4
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.8
0.5
0.3
0.2
0.1
0
–1
2.7
0
RMS Noise vs V
RMS Noise vs V
Offset Error vs V
V
V
V
T
F
GAIN = 256
V
V
V
T
F
GAIN = 256
REF
REF
V
V
T
F
O
O
A
CC
IN
IN(CM)
A
O
CC
REF
IN
IN
IN(CM)
A
= 25°C
= GND
= 25°C
= GND
= 25°C
= GND
3.1
= 0V
= 0V
+
–
= 0V
= 5V
= 5V
0
= 5V
= 2.5V
= GND
1
= GND
= GND
3.5
1
2
V
3.9
IN(CM)
V
2
V
REF
CC
IN(CM)
REF
CC
(V)
(V)
4.3
3
(V)
3
4.7
4
4
5.1
5
2487 G11
2487 G14
2487 G17
5.5
6
5
–0.1
–0.3
–0.1
–0.2
–0.3
–0.2
0.3
0.2
0.3
0.2
0.1
0.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
0
–1
–45
0
RMS Noise vs Temperature (T
Offset Error vs V
Offset Error vs V
V
V
V
T
F
V
V
V
V
F
GAIN = 256
O
O
A
CC
REF
IN
CC
REF
IN
IN(CM)
–30 –15
= 25°C
= GND
= GND
= 0V
= 0V
0
= 5V
= 5V
= 5V
= 5V
1
= GND
1
TEMPERATURE (°C)
0
2
V
2
IN(CM)
V
15
REF
LTC2487
IN(CM)
REF
(V)
30
3
(V)
3
45
V
REF
V
V
T
F
O
4
CC
IN
IN(CM)
A
= 25°C
= GND
= 0V
–
= 5V
60
4
= GND
5
= GND
A
75
2487 G15
2487 G18
2487 G12
)
2487fa

90
6
5