LTC2418CGN Linear Technology, LTC2418CGN Datasheet - Page 7

• Manufacturer Part Number: LTC2418CGN
• Description: IC ADC 24BIT DIFF INPUT 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC2418CGN

• Number Of Bits: 24
• Sampling Rate (per Second): 7.5
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.150", 3.95mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFOR A CE CHARACTERISTICS
–1
–2
–3
–1
–2
–3
30
25
20
15
10
–2.5 –2.0
3
2
1
0
3
2
1
0
–2.5 –2.0
5
0
–1.2
Total Unadjusted Error
(V
Integral Nonlinearity
(V
Noise Histogram
(V
F
V
V
V
F
V
V
V
10,000 CONSECUTIVE READINGS
F
T
V
V
V
V
O
O
O
CC
REF
INCM
CC
REF
INCM
A
CC
REF
IN
INCM
CC
CC
CC
= GND
= GND
= GND
= 25°C
= 0V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V, V
–1.5
= 5V, V
–1.5
= 5V, V
= V
= V
= 2.5V
OUTPUT CODE (ppm OF V
REFCM
REFCM
–1.0
–1.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–0.6
–0.5
–0.5
REF
REF
REF
= 2.5V
= 2.5V
= 5V)
= 5V)
= 5V)
0
0
T
T
A
A
0.5
0.5
= 25°C
= 25°C
T
A
GAUSSIAN
DISTRIBUTION
m = –0.24ppm
σ = 0.183ppm
= –45°C
0
1.0
1.0
T
T
REF
1.5
A
W
A
1.5
T
A
= 85°C
= –45°C
)
= 85°C
241418 G01
241418 G04
241418 G07
2.0
2.0
U
2.5
2.5
0.6
–1
–2
–3
–1
–2
–3
14
12
10
–1.25
3
2
1
0
3
2
1
0
–1.25
8
6
4
2
0
–2.4
Total Unadjusted Error
(V
Integral Nonlinearity
(V
Noise Histogram
(V
F
V
V
V
F
V
V
V
10,000 CONSECUTIVE READINGS
F
T
V
V
V
V
O
O
CC
REF
INCM
CC
REF
INCM
O
A
CC
REF
IN
INCM
CC
T
CC
CC
= GND
= GND
A
= GND
= 25°C
= 5V
= 5V
= 0V
= 2.7V
–1.8
= 2.5V
= 85°C
= 2.5V
–0.75
= 2.5V
= 5V, V
T
–0.75
= 5V, V
= 2.7V, V
= V
= V
A
= 2.5V
OUTPUT CODE (ppm OF V
= 25°C
REFCM
REFCM
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–1.2
–0.25
–0.25
REF
REF
= 1.25V
= 1.25V
REF
T
A
–0.6
= 2.5V)
= 2.5V)
= 85°C
= 2.5V)
0.25
0.25
GAUSSIAN
DISTRIBUTION
m = –0.48ppm
σ = 0.375ppm
0
T
A
T
REF
0.75
T
= –45°C
0.75
A
A
= –45°C
0.6
)
= 25°C
241418 G02
241418 G05
241418 G08
1.25
1.25
1.2
LTC2414/LTC2418
–0.5
–1.0
–1.5
1.0
0.5
–2
–4
–6
–8
–2
–4
–6
–8
–1.25
–1.25
8
6
4
2
0
0
8
6
4
2
0
0
Total Unadjusted Error
(V
Long Term ADC Readings
Integral Nonlinearity
(V
F
V
V
V
RMS NOISE = 0.19ppm
F
T
V
F
V
V
V
O
CC
REF
INCM
O
O
A
CC
CC
REF
INCM
CC
CC
= GND
= GND
= GND
= 25°C
= 2.7V
= 5V
= 2.7V
= 2.5V
–0.75
= 2.5V
10
–0.75
= 2.7V, V
= 2.7V, V
= V
= V
REFCM
REFCM
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
V
V
V
20
T
REF
IN
INCM
–0.25
TIME (HOURS)
A
–0.25
= 1.25V
= 1.25V
= 25°C
= 0V
= 5V
REF
REF
= 2.5V
30
T
A
= 2.5V)
= 2.5V)
T
0.25
= 25°C
0.25
A
= –45°C
40
T
A
T
0.75
= –45°C
0.75
A
T
LTXXXX • TPCXX
A
= 85°C
50
= 85°C
241418 G03
241418 G06
241418fa
7
1.25
1.25
60