LTC1099CSW Linear Technology, LTC1099CSW Datasheet - Page 13

• Manufacturer Part Number: LTC1099CSW
• Description: IC A/D CONV 8BIT HI-SPEED 20SOIC
• Manufacturer: Linear Technology

Specifications of LTC1099CSW

• Number Of Bits: 8
• Sampling Rate (per Second): 400k
• Data Interface: Parallel
• Number Of Converters: 3
• Power Dissipation (max): 55mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1099CS

TYPICAL APPLICATIONS
READY
V
(B8)
(6)
SS
(B1, K11, L2)
TMS320C25
MSC
1/2 74AS00
(C10)
(5)
(4)
(3)
TMS320C25 Assembly Code for RD Mode Interface to LTC1099
0001 0000
0002 0032
0003 0032 CE01
0004 0033 C800
0005 0034 8064 LOOP
0006 0035 CB13
0007 0036 5500
0008 0037 FF80
V
CC
U
STRB
(A10, B11, H2, L6)
(H10)
D4
D5
D6
D7
D0
D1
D2
D3
A0
A1
A2
A3
IS
(1)
(2)
(K1)
(K2)
(L3)
(J11)
(K3)
(D1)
(C2)
(C1)
(B2)
(F1)
(E2)
(E1)
(D2)
TMS320C25 Interface Using RD Mode
5V
10k
AORG
RPTK
LDPK
DINT
NOP
VOLTAGE
ANALOG
IN
B
INPUT
5V
100,PAO Input 1099 Data to Address 100
LOOP Go for Another Conversion
>32
>00
12
C1 = 4.7 F TANTALUM
C2 = 0.1 F CERAMIC
V
DB0
DB1
DB2
DB3
WR/RDY
MODE
RD
INT
GND
A
B
C
G2A
G2B
G1
Y7
GND
IN
Disable Interrupts
Data Page Pointer Is 0
Repeat Next Instruction 12 Times
Don’t Convert Again Too Soon
74AS138
LTC1099
REF
REF
DB7
DB6
DB5
DB4
V
V
OFL
CS
Y0
Y1
Y2
Y3
Y4
Y5
Y6
TC
CC
CC
+
–
+
C1
5V
C2
+
C1
LTC1099
1099 TA03
C2
5V
13