LTC2418CGN Linear Technology, LTC2418CGN Datasheet - Page 14

• 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

APPLICATIO S I FOR ATIO
LTC2414/LTC2418
14
SDO
SCK
SDI
CS
SLEEP
Hi-Z
BIT31
EOC
1
U
OPERATION
BIT30
DMY
0
Table 1. Channel Selection for the LTC2414 (Bit A2 Should Always Be 0)
*
*Default at power up
SDO
SCK
SDI
CONVERSION RESULT
SGL
U
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
EN
BIT29
SIG
ADDRESS
ADDRESS
OUTPUT
MUX ADDRESS
N – 1
N – 1
N – 1
N
ODD/
SIGN
SGL
BIT28
MSB
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
W
ODD/
SIGN
CONVERSON RESULT
BIT27
A2 A1 A0
B22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DON’T CARE
CONVERSION N
Figure 3b. Typical Operation Sequence
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
A2
Figure 3a. Input/Output Data Timing
BIT26
Hi-Z
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
U
A1
BIT25
IN
IN
IN
0
CONVERSION RESULT
+
–
+
A0
DATA INPUT/OUTPUT
BIT24
IN
IN
IN
ADDRESS
ADDRESS
1
OUTPUT
–
+
+
N + 1
N
N
N
IN
IN
IN
2
+
–
+
CHANNEL SELECTION
BIT6
LSB
IN
IN
IN
CONVERSION N + 1
DON’T CARE
3
–
+
+
BIT5
SGL
Hi-Z
ADDRESS CORRESPONDING TO RESULT
IN
IN
IN
4
+
–
+
DON’T CARE
ODD/
SIGN
BIT4
IN
IN
IN
5
CONVERSION RESULT
–
+
+
BIT3
A2
IN
IN
IN
ADDRESS
ADDRESS
OUTPUT
6
N + 1
N + 1
N + 1
N + 2
+
–
+
BIT2
A1
IN
IN
IN
241418 F03b
7
–
+
+
Hi-Z
BIT1
A0
COM
IN
IN
IN
IN
IN
IN
IN
IN
–
–
–
–
–
–
–
–
PARITY
BIT0
CONVERSION
241418 F03a
241418fa