LTC2420IS8 Linear Technology, LTC2420IS8 Datasheet - Page 5

• Manufacturer Part Number: LTC2420IS8
• Description: IC ADC 20BIT MICROPOWER 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC2420IS8

• Number Of Bits: 20
• Sampling Rate (per Second): 7.5
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFOR A CE CHARACTERISTICS
–10
–10
–10
10
–2
–4
–6
–8
–2
–4
10
–6
–8
–2
–4
–6
–8
10
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
2.50
0
Total Unadjusted Error (3V Supply)
0
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
= 5V
= 3V
2.55
= 3V
= 5V
= 2.5V
= 2.5V
T
0.5
A
= –55 C, –45 C, 25 C, 90 C
T
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2.60
A
INPUT VOLTAGE (V)
= –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
2420 G07
2420 G04
2420 G01
U
–0.30
2.80
2.5
–10
–10
–10
10
–2
–4
–6
–8
–6
–8
–2
–4
–6
–8
10
–2
–4
10
8
6
4
2
0
8
6
4
8
6
4
2
0
2
0
5.00
0
0
INL (3V Supply)
Total Unadjusted Error (5V Supply)
Positive Input Extended Total
Unadjusted Error (5V Supply)
V
V
V
V
V
V
CC
REF
CC
REF
CC
REF
T
A
= 3V
= 5V
= 5V
5.05
= 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)
INPUT VOLTAGE (V)
A
= –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
= –45 C
= –55 C
5.25
2420 G08
2420 G05
2420 G02
5.30
2.5
5
–10
–10
150
120
–2
–4
–6
–8
10
–6
–8
10
–2
–4
60
30
90
8
6
4
2
0
8
6
4
2
0
0
0
0
0
Negative Input Extended Total
Unadjusted Error (3V Supply)
INL (5V Supply)
Offset Error vs Reference Voltage
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
LTC2420
3
3
T
T
T
A
A
–0.25
V
T
4
A
4
= –45 C
A
= –55 C
CC
= 25 C
= 25 C
= 5V
2420 G03
2420 G06
2420 G09
–0.30
5
5
5