參數(shù)資料
型號: LTC8043FS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: DAC
英文描述: Serial 12-Bit Multiplying DAC in SO-8
中文描述: SERIAL INPUT LOADING, 0.25 us SETTLING TIME, 12-BIT DAC, PDSO8
封裝: 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù): 4/4頁
文件大?。?/td> 175K
代理商: LTC8043FS8
4
LTC8043
TIW
W
SRI
LD
PREVIOUS
WORD
BIT 1
MSB
BIT 2
BIT 11
8043TD01
BIT 12
LSB
t
DS
t
DH
t
CH
t
SRI
t
ASB
t
CL
t
LD
CLK INPUT
TYPICAL APPLICATIO
S
N
U
Unipolar Operation (2-Quadrant Multiplication)
V
DD
CLK
SRI
LD
V
REF
LTC8043
R
FB
GND
4
7
6
5
8
5V
V
–10V TO 10V
1
2
3
I
OUT
33pF
V
OUT
LTC8043 TA03
+
LT1097
μ
P
Table 1. Unipolar Binary Code Table
DIGITAL INPUT
BINARY NUMBER
IN DAC REGISTER
MSB
1111 11111111
1000 00000000
0000 00000001
0000 00000000
–V
REF
(4095/4096)
–V
REF
(2048/4096) = –V
REF
/2
–V
REF
(1/4096)
0V
0.1
μ
F
LSB
ANALOG OUTPUT
V
OUT
RELATED PARTS
PART NUMBER
LTC1257
LTC1451/LTC1452/LTC1453
LTC7541A
LTC7543/LTC8143
DESCRIPTION
Complete Serial I/O V
OUT
12-Bit DAC
Complete Serial I/O V
OUT
12-Bit DACs
Parallel I/O Multiplying 12-Bit DAC
Serial I/O Mulitplying 12-Bit DACs
COMMENTS
5V to 15V Single Supply in 8-Pin SO and PDIP
3V/5V Single Supply in 8-Pin SO and PDIP
12-Bit Wide Input
Clear Pin and Serial Data Output (LTC8143)
7
6
5
5V
μ
P
0.1
μ
F
V
DD
CLK
SRI
LD
V
REF
LTC8043
R
FB
GND
4
8
V
REF
–10V TO 10V
1
2
3
I
OUT
V
OUT
LTC8043 TA04
1/2 LT1112
+
Table 2. Bipolar Offset Binary Code Table
+V
REF
(2047/2048)
+V
REF
(1/2048)
0V
–V
REF
(1/2048)
–V
REF
(2048/2048) = –V
REF
R3
20k
R1
10k
R2
20k
1/2 LT1112
+
DIGITAL INPUT
BINARY NUMBER
IN DAC REGISTER
MSB LSB
1111 1111 1111
1000 0000 0001
1000 0000 0000
0111 1111 1111
0000 0000 0000
ANALOG OUTPUT
V
OUT
33pF
Bipolar Operation (4-Quadrant Multiplication)
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
(408) 432-1900
G
FAX
: (408) 434-0507
G
TELEX
: 499-3977
LT/GP 1195 PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1995
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