LTC2420IS8 Linear Technology, LTC2420IS8 Datasheet - Page 6

• 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

LTC2420
TYPICAL PERFOR A CE CHARACTERISTICS
6
–10
350
300
250
200
150
100
–5
60
50
40
30
20
10
50
10
0
0
5
0
–55
0
RMS Noise vs Reference Voltage
Noise Histogram
Full-Scale Error vs Temperature
V
V
V
V
V
V
CC
REF
IN
CC
REF
IN
= 0
= 5V
–30
= 5
= 5V
= 5
–2
= 5V
1
REFERENCE VOLTAGE (V)
–5
OUTPUT CODE (ppm)
TEMPERATURE ( C)
0
2
20
2
45
3
4
70
W
V
T
4
CC
A
6
95
= 25 C
= 5V
2420 G10
2420 G16
2420G13
U
120
5
–100
–125
–150
5.00
3.75
2.50
1.25
–10
–25
–50
–75
–5
10
5
0
0
0
2.7
0
Offset Error vs
RMS Noise vs Code Out
Full-Scale Error
vs Reference Voltage
V
T
V
V
V
T
A
REF
CC
REF
IN
A
0
= 25 C
= 25 C
= 0.3V TO 5.3V
= 5V
= 2.5V
= 5V
3.2
1
REFERENCE VOLTAGE (V)
CODE OUT (HEX)
3.7
2
V
7FFFFF
V
CC
CC
4.2
(V)
3
4.7
V
V
CC
IN
4
= V
FFFFFF
= 5V
5.2 5.5
2420 G11
2420 G14
2420 G17
REF
5
10.0
–10
–10
7.5
2.5
5.0
–5
–5
10
10
0
5
0
5
0
–55
2.7
2.7
RMS Noise vs
Offset Error vs Temperature
Full-Scale Error vs V
V
T
V
V
V
V
V
T
A
CC
REF
IN
REF
IN
A
REF
= 25 C
= 25 C
–30
= 0V
= 2.5V
= 5V
= 5V
= 2.5V
= 2.5V
3.2
3.2
–5
TEMPERATURE ( C)
3.7
3.7
20
V
V
V
CC
CC
CC
4.2
(V)
4.2
(V)
45
CC
4.7
70
4.7
95
5.2 5.5
5.2 5.5
2420 G12
2420 G15
2420 G18
120