Datasheet

LTC2410
31
APPLICATIO S I FOR ATIO
WUU
U
Figure 30. Resolution (Noise
RMS
≤ 1LSB)
vs Output Data Rate and Temperature
Figure 31. Resolution (INL
RMS
≤ 1LSB)
vs Output Data Rate and Temperature
Figure 32. Offset Error vs Output
Data Rate and Reference Voltage
Figure 33. Resolution (Noise
RMS
≤ 1LSB) vs
Output Data Rate and Reference Voltage
Figure 34. Resolution (INL
MAX
≤ 1LSB) vs
Output Data Rate and Reference Voltage
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
RESOLUTION (BITS)
2410 F30
24
23
22
21
20
19
18
17
16
15
14
13
12
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
INCM
= 2.5V
V
IN
= 0V
F
O
= EXTERNAL OSCILLATOR
RESOLUTION = LOG
2
(V
REF
/NOISE
RMS
)
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
RESOLUTION (BITS)
2410 F31
22
20
18
16
14
12
10
8
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
INCM
= 2.5V
–2.5V < V
IN
< 2.5V
F
O
= EXTERNAL OSCILLATOR
RESOLUTION = LOG
2
(V
REF
/INL
MAX
)
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
OFFSET ERROR (ppm OF V
REF
)
2410 F32
250
225
200
175
150
125
100
75
50
25
0
V
REF
= 5V
V
CC
= 5V
REF
+
= GND
V
INCM
= 2.5V
V
IN
= 0V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25°C
V
REF
= 2.5V
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
RESOLUTION (BITS)
2410 F33
24
23
22
21
20
19
18
17
16
15
14
13
12
V
REF
= 5V
V
CC
= 5V
REF
–
= GND
V
INCM
= 2.5V
V
IN
= 0V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25°C
RESOLUTION = LOG
2
(V
REF
/NOISE
RMS
)
V
REF
= 2.5V
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
RESOLUTION (BITS)
2410 F34
22
20
18
16
14
12
10
8
T
A
= 25°C
V
CC
= 5V
REF
–
= GND
V
INCM
= 0.5 • REF
+
–0.5V • V
REF
< V
IN
< 0.5 • V
REF
F
O
= EXTERNAL OSCILLATOR
V
REF
= 2.5V V
REF
= 5V
RESOLUTION =
LOG
2
(V
REF
/INL
MAX
)
Figure 35. Input Signal Bandwidth
Using the Internal Oscillator
DIFFERENTIAL INPUT SIGNAL FREQUENCY (Hz)
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
INPUT SIGNAL ATTENUATION (dB)
2410 F35
0.0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5.5
–6.0
F
O
= HIGH F
O
= LOW