ltc2428 Linear Technology Corporation, ltc2428 Datasheet - Page 6

• Manufacturer Part Number: ltc2428
• Description: 4-/8-channel 20-bit ?power No Latency Delta-sigma Adc
• Manufacturer: Linear Technology Corporation

LTC2424/LTC2428
TYPICAL PERFOR A CE CHARACTERISTICS
6
–10
–10
–10
–2
–4
–2
–4
–6
–8
–2
–4
10
–6
–8
10
10
–6
–8
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
2.50
0
0
Total Unadjusted Error (3V Supply)
Positive Input Extended Total
Unadjusted Error (3V Supply)
Negative Input Extended 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
= 5V
= 2.5V
= 2.5V
0.5
T
A
= –55 C, –45 C, 25 C, 90 C
T
INPUT VOLTAGE (V)
A
INPUT VOLTAGE (V)
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
24248 G07
24248 G01
24248 G04
U
–0.30
2.80
2.5
–10
–10
–10
–2
–4
–6
–8
–2
–4
–6
–8
10
–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
Positive Input Extended Total
Unadjusted Error (5V Supply)
INL (3V Supply)
Total Unadjusted Error (5V Supply)
V
V
V
V
V
V
CC
REF
CC
REF
CC
REF
T
A
= 5V
= 5V
5.05
= 3V
= 5V
= 5V
= 2.5V
= 90 C
0.5
T
1
A
= –55 C, –45 C, 25 C, 90 C
T
INPUT VOLTAGE (V)
5.10
INPUT VOLTAGE (V)
A
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
24248 G08
24248 G05
24248 G02
5.30
2.5
5
–10
–10
150
120
–2
–4
10
–6
–8
–2
–4
–6
–8
10
30
90
60
8
6
4
2
0
8
6
4
2
0
0
0
Negative Input Extended Total
Unadjusted Error (3V Supply)
0
Offset Error vs Reference Voltage
0
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
–0.25
V
T
4
A
4
= –45 C
A
= –55 C
CC
= 25 C
= 25 C
24248 G03
= 5V
24248 G09
2420 G06
–0.30
5
5