LTC2421 LINER [Linear Technology], LTC2421 Datasheet - Page 5
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LTC2421
Manufacturer Part Number
LTC2421
Description
1-/2-Channel 20-Bit UPower No Latency ADCs in MSOP-10
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC2421.pdf
(32 pages)
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TYPICAL PERFOR A CE CHARACTERISTICS
–10
–10
–10
10
–2
–4
–6
–8
–2
–4
–6
–8
–2
–4
–6
–8
10
10
8
6
4
2
0
8
6
4
8
6
4
2
0
2
0
2.50
0
0
Total Unadjusted Error (3V Supply)
Positive Extended Input Range
Total Unadjusted Error (3V Supply)
Negative Extended Input Range
Total Unadjusted Error (5V Supply)
V
V
V
V
V
V
CC
REF
CC
REF
CC
REF
–0.05 –0.10 –0.15 –0.20
= 3V
= 5V
= 3V
2.55
= 2.5V
= 5V
= 2.5V
0.5
T
A
= –55 C, –45 C, 25 C, 90 C
T
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
A
INPUT VOLTAGE (V)
2.60
= –55 C, –45 C, 25 C, 90 C
1.0
2.65
T
T
A
A
= 90 C
= –45 C
1.5
T
2.70
A
= 25 C
T
W
A
2.0
–0.25
2.75
= –55 C
24212 G07
24212 G01
24212 G04
U
–0.30
2.5
2.80
–10
–10
–10
–2
–4
10
–6
–8
–2
–4
–6
–8
–2
–4
–6
–8
10
10
8
6
4
2
0
8
6
4
8
6
4
2
0
2
0
5.00
0
0
Total Unadjusted Error (5V Supply)
INL (3V Supply)
Positive Extended Input Range
Total Unadjusted Error (5V Supply)
V
V
V
V
V
V
CC
REF
CC
REF
CC
REF
T
A
= 5V
5.05
= 3V
= 5V
= 5V
= 2.5V
= 5V
= 90 C
0.5
T
1
A
= –55 C, –45 C, 25 C, 90 C
T
INPUT VOLTAGE (V)
5.10
A
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= –55 C, –45 C, 25 C, 90 C
T
1.0
2
A
= 25 C
5.15
1.5
3
5.20
T
T
A
A
2.0
4
= –55 C
= –45 C
5.25
24212 G08
24212 G02
24212 G05
5.30
2.5
5
–10
–10
150
120
10
–2
–4
–6
–8
–6
–8
10
–2
–4
60
30
90
8
6
4
2
0
8
6
4
0
2
0
LTC2421/LTC2422
0
0
0
Negative Extended Input Range
Total Unadjusted Error (3V Supply)
Offset Error vs Reference Voltage
INL (5V Supply)
V
V
V
V
CC
REF
CC
REF
–0.05 –0.10 –0.15 –0.20
= 3V
= 5V
= 2.5V
= 5V
T
1
1
A
REFERENCE VOLTAGE (V)
= –55 C, –45 C, 25 C, 90 C
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2
2
T
A
= 90 C
3
3
T
T
T
A
A
V
T
–0.25
A
4
4
= –45 C
CC
A
= –55 C
= 25 C
= 25 C
24212 G03
24212 G06
= 5V
24212 G09
24212f
–0.30
5
5
5