LTC2448 LINER [Linear Technology], LTC2448 Datasheet - Page 14
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LTC2448
Manufacturer Part Number
LTC2448
Description
24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC2448.pdf
(28 pages)
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LTC2444/LTC2445/
LTC2448/LTC2449
APPLICATIO S I FOR ATIO
14
Table 5. LTC2444/LTC2445/LTC2448/LTC2449 Speed/Resolution Selection
OSR3
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
1
1
1
OSR2
0
0
0
0
1
1
1
1
0
0
1
0
0
0
0
1
1
1
1
0
0
1
U
OSR1
0
0
1
1
0
0
1
1
0
0
1
0
0
1
1
0
0
1
1
0
0
1
U
OSR0
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
1
TWOX INTERNAL EXTERNAL
W
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
13.75Hz
6.875Hz
13.75Hz
3.52kHz
1.76kHz
7.04kHz
3.52kHz
1.76kHz
CONVERSION RATE
27.5Hz
27.5Hz
880Hz
440Hz
220Hz
110Hz
880Hz
440Hz
220Hz
110Hz
9MHz
Clock
55Hz
55Hz
U
10.24MHz LTC2444/ LTC2445/ LTC2444/ LTC2445/
15.625Hz
7.8125Hz
15.625Hz
31.25Hz
31.25Hz
62.5Hz
62.5Hz
500Hz
250Hz
125Hz
500Hz
250Hz
125Hz
Clock
4kHz
2kHz
1kHz
8kHz
4kHz
2kHz
1kHz
LTC2448 LTC2449 LTC2448 LTC2449
NOISE
720nV
530nV
350nV
280nV
720nV
530nV
350nV
280nV
4.4µV
2.8µV
1.4µV
1.1µV
4.4µV
2.8µV
1.4µV
1.1µV
23µV
23µV
RMS
2µV
2µV
Keep Previous Speed/Resolution
Keep Previous Speed/Resolution
NOISE
750nV
510nV
375nV
250nV
200nV
750nV
510nV
375nV
250nV
200nV
3.5µV
1.4µV
3.5µV
1.4µV
23µV
23µV
RMS
2µV
1µV
2µV
1µV
ENOB
20.1
20.8
21.3
21.8
22.1
22.7
23.2
23.8
24.1
20.1
20.8
21.3
21.8
22.1
22.7
23.2
23.8
24.1
17
17
ENOB
20.1
21.3
21.8
22.4
22.9
23.4
24.4
24.6
20.1
21.3
21.8
22.4
22.9
23.4
24.4
24.6
17
24
17
24
16384
32768
16384
32768
1024
2048
4096
8192
1024
2048
4096
8192
OSR
128
256
512
128
256
512
64
64
LATENCY
1 cycle
1 cycle
1 cycle
1 cycle
1 cycle
1 cycle
1 cycle
1 cycle
1 cycle
1 cycle
none
none
none
none
none
none
none
none
none
none
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