LTC1099CSW Linear Technology, LTC1099CSW Datasheet - Page 14

• 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

LTC1099
TYPICAL APPLICATIONS
14
READY
(B8)
V
SS
MSC
TMS320C25
(C10)
R/ W
(H11)
V
CC
(A10, B11, H2, L6)
STRB
TMS320C25 Assembly Code for WR/RD Mode Interface to
LTC1099
0001 0032
0002 0032 CE01
0003 0033 C800
0004 0034 E064 LOOP OUT >64.PAO Start LTC1099 Conversion
0005 0035 CB20
0006 0036 5500
0007 0037 8064
0008 0038 FF80
D0
D1
D2
D3
A0
A1
A2
A3
IS
(H10)
U
(K1)
(K2)
(L3)
(J11)
(K3)
(F1)
(E2)
(E1)
(D2)
TMS320C25 Interface Using WR/RD Mode
VOLTAGE
ANALOG
INPUT
5V
5V
AORG
LDPK
RPTK
DINT
NOP
IN
B
>64.PAO Read LTC1099 Data; Store in >64
V
DB0
DB1
DB2
DB3
WR/RDY
MODE
RD
INT
GND
A
B
C
G2A
G2B
G1
Y7
GND
IN1
IN1
OUT1
IN2
1N2
OUT2
GND
LOOP Do Again
IN
>32
>12
>0
LTC1099
74F138
74F00
Disable Interrupts
Data Page Pointer Is 0
Wait for Conversion to Finish
OUT4
OUT3
REF
REF
DB7
DB6
DB5
DB4
V
V
V
OFL
IN4
IN4
IN3
IN3
Y0
Y1
Y2
Y3
Y4
Y5
Y6
CS
CC
T
CC
CC
C
+
–
D7(B2)
D6(C1)
D5(C2)
D4(D1)
C1, C3, C6 = 4.7 F TANTALUM
C2, C4, C5, C7, C8 = 0.1 F CERAMIC
+
+
C3
C1
C4
C2
C8
0.1 F
5V
5V
5V
C5
0.1 F
5V
+
C6
1099 TA04
C7