LTC1099
13
TYPICAL APPLICATIONS
U
0001 0000
0002 0032 AORG >32
0003 0032 CE01 DINT Disable Interrupts
0004 0033 C800 LDPK >00 Data Page Pointer Is 0
0005 0034 8064 LOOP IN 100,PAO Input 1099 Data to Address 100
0006 0035 CB13 RPTK 12 Repeat Next Instruction 12 Times
0007 0036 5500 NOP Don’t Convert Again Too Soon
0008 0037 FF80 B LOOP Go for Another Conversion
TMS320C25 Assembly Code for RD Mode Interface to LTC1099
V
IN
DB0
DB1
DB2
DB3
WR/RDY
MODE
RD
INT
GND
V
CC
TC
OFL
DB7
DB6
DB5
DB4
CS
REF
+
REF
V
CC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
A0
A1
A2
IS
A3
D4
D5
D6
D7
D0
D1
D2
D3
A
B
C
G2A
G2B
G1
Y7
GND
5V
C1 C2
C1 C2
LTC1099
+
+
10k
5V
5V
(6)
(B8) (C10) (H10)
(4)
(5)
(3)
(1)
(2)
READY
MSC
STRB
V
SS
V
CC
TMS320C25
(B1, K11, L2)
(A10, B11, H2, L6)
(K1)
(K2)
(L3)
(J11)
(K3)
(D1)
(C2)
(C1)
(B2)
(F1)
(E2)
(E1)
(D2)
ANALOG
INPUT
VOLTAGE
1/2 74AS00
5V
1099 TA03
C1 = 4.7µF TANTALUM
C2 = 0.1µF CERAMIC
74AS138
TMS320C25 Interface Using RD Mode
LTC1099
14
TYPICAL APPLICATIONS
U
0001 0032 AORG >32
0002 0032 CE01 DINT Disable Interrupts
0003 0033 C800 LDPK >0 Data Page Pointer Is 0
0004 0034 E064 LOOP OUT >64.PAO Start LTC1099 Conversion
0005 0035 CB20 RPTK >12 Wait for Conversion to Finish
0006 0036 5500 NOP
0007 0037 8064 IN >64.PAO Read LTC1099 Data; Store in >64
0008 0038 FF80 B LOOP Do Again
TMS320C25 Assembly Code for WR/RD Mode Interface to
LTC1099
TMS320C25 Interface Using WR/RD Mode
V
IN
DB0
DB1
DB2
DB3
WR/RDY
MODE
RD
INT
GND
V
CC
T
C
OFL
DB7
DB6
DB5
DB4
CS
REF
+
REF
V
CC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
IN1
IN1
OUT1
IN2
1N2
OUT2
GND
V
CC
IN4
IN4
OUT4
IN3
IN3
OUT3
5V
C1 C2
C3 C4
LTC1099
+
+
C6
C7
+
5V
C8
0.1µF
5V
5V
5V
5V
(B8)
(C10)
(H10)(H11)
READY
MSC
STRB
R/W
V
SS
V
CC
TMS320C25
(A10, B11, H2, L6)
(K1)
(K2)
(L3)
(J11)
(K3)
(F1)
(E2)
(E1)
(D2)
ANALOG
INPUT
VOLTAGE
1099 TA04
C1, C3, C6 = 4.7µF TANTALUM
C2, C4, C5, C7, C8 = 0.1µF CERAMIC
74F00
A0
A1
A2
IS
A3
D0
D1
D2
D3
74F138
C5
0.1µF
D7(B2)
D6(C1)
D5(C2)
D4(D1)
A
B
C
G2A
G2B
G1
Y7
GND
LTC1099
15
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
N20 1098
0.020
(0.508)
MIN
0.125
(3.175)
MIN
0.130 ± 0.005
(3.302 ± 0.127)
0.065
(1.651)
TYP
0.045 – 0.065
(1.143 – 1.651)
0.018 ± 0.003
(0.457 ± 0.076)
0.005
(0.127)
MIN
0.100
(2.54)
BSC
0.255 ± 0.015*
(6.477 ± 0.381)
1.040*
(26.416)
MAX
12
3
4
5
6
7
8
910
19 1112
131416
1517
18
20
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325
+0.035
0.015
+0.889
0.381
8.255
()
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
N Package
20-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
S20 (WIDE) 1098
NOTE 1
0.496 – 0.512*
(12.598 – 13.005)
20
19 18
17
16
15
14 13
1
23
4
5
6
78
0.394 – 0.419
(10.007 – 10.643)
910
1112
0.037 – 0.045
(0.940 – 1.143)
0.004 – 0.012
(0.102 – 0.305)
0.093 – 0.104
(2.362 – 2.642)
0.050
(1.270)
BSC
0.014 – 0.019
(0.356 – 0.482)
TYP
0
° – 8° TYP
NOTE 1
0.009 – 0.013
(0.229 – 0.330)
0.016 – 0.050
(0.406 – 1.270)
0.291 – 0.299**
(7.391 – 7.595)
× 45°
0.010 – 0.029
(0.254 – 0.737)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
SW Package
20-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

LTC1099CSW#TRPBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC 8-Bit ADC with 2.5us Conversion Time
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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