LTC2431CMS#PBF Linear Technology, LTC2431CMS#PBF Datasheet - Page 8

• Manufacturer Part Number: LTC2431CMS#PBF
• Description: IC ADC 20BIT DIFFINPUT/REF10MSOP
• Manufacturer: Linear Technology

Specifications of LTC2431CMS#PBF

• 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: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC2430/LTC2431
8
TYPICAL PERFOR A CE CHARACTERISTICS
–100
–120
–140
–20
–10
–15
–20
–40
–60
–80
20
15
10
–5
5
0
0
0
1
PSRR vs Frequency at V
Full-Scale Error vs V
V
REF
REF
IN
IN
F
T
O
0.5
CC
A
–FS ERROR
+
–
+FS ERROR
= GND
= 25 C
+
–
= GND
= GND
= 4.1V
10
= 2.5V
= GND
1
FREQUENCY AT V
1.5
DC
100
1000
2
900
800
700
600
500
400
300
200
100
V
REF
2.5
1k
0
Conversion Current
vs Output Data Rate
(V)
V
IN
IN
SCK = NC
SDO = NC
SDI = GND
CS = GND
F
T
O
A
REF
10 20 30 40 50
3
OUTPUT DATA RATE (READINGS/SEC)
+
–
REF
= EXT OSC
= 25 C
CC
V
REF
F
V
T
= GND
= GND
10k
O
A
CC
INCM
= V
3.5
(Hz)
= GND
= 25 C
CC
–
= 5V
CC
W
= GND
= 0.5V
4
100k
24301 G20
4.5
24301 G23
REF
V
U
CC
1M
5
= 3V
V
60 70 80 90
CC
= 5V
–100
–120
–140
–20
–40
–60
–80
–2
–4
–5
–1
–3
15170
0
5
4
3
2
1
0
2.7
24301 G26
Full-Scale Error vs V
PSRR vs Frequency at V
V
REF
REF
IN
IN
F
T
O
CC
A
+
–
= GND
= 25 C
100
3.1
+
–
= GND
= GND
= 4.1V
= 2.5V
= GND
–FS ERROR
+FS ERROR
15220
FREQUENCY AT V
3.5
DC
0.7V
3.9
V
15270
CC
(V)
4.3
CC
CC
V
REF
F
V
T
O
A
REF
INCM
(Hz)
4.7
15320
= GND
= 25 C
CC
–
= 2.5V
= GND
= 0.5V
6
4
3
2
0
5
1
5.1
–45
24301 G24
Sleep Mode Current
vs Temperature
24301 G21
REF
–30
15370
5.5
–15
TEMPERATURE ( C)
0
–100
–140
–120
–20
–60
–40
–80
240
230
220
210
200
190
180
170
160
15
0
–45
V
V
Conversion Current vs Temperature
PSRR vs Frequency at V
0
V
CC
V
CC
30
CC
F
CS = GND
SCK = NC
SDO = NC
CC
V
REF
REF
IN
IN
F
T
O
O
A
= 2.7V
CC
20
–30
= 5.5V
+
–
= 3V
= GND
= GND
= 5V
= 25 C
+
–
= GND
= GND
= 4.1V
45
= 2.5V
= GND
40 60
–15
FREQUENCY AT V
60
DC
F
CS = V
SCK = NC
SDO = NC
TEMPERATURE ( C)
O
0
= GND
80
24301 G27
75
1.4V
V
V
CC
100
15
V
V
CC
CC
CC
CC
90
= 5.5V
= 2.7V
120
= 5V
= 3V
30
140
CC
45
(Hz)
160
CC
60
180
24301 G25
75
200
24301 G22
24301f
220
90