LTC1446 Linear Technology, LTC1446 Datasheet - Page 9
![no-image](/images/manufacturer_photos/0/3/388/linear_technology_sml.jpg)
LTC1446
Manufacturer Part Number
LTC1446
Description
Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8
Manufacturer
Linear Technology
Datasheet
1.LTC1446.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC1446CN8
Manufacturer:
LT
Quantity:
5 510
Company:
Part Number:
LTC1446CN8
Manufacturer:
UNIT
Quantity:
5 510
Part Number:
LTC1446CN8#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LTC1446CS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LTC1446CS8#PBF
Manufacturer:
LT凌特厂
Quantity:
20 000
Company:
Part Number:
LTC1446IS8
Manufacturer:
LT
Quantity:
10 000
Part Number:
LTC1446IS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LTC1446IS8#PBF
Manufacturer:
LTC
Quantity:
486
Part Number:
LTC1446IS8#PBF
Manufacturer:
LT凌特厂
Quantity:
20 000
Company:
Part Number:
LTC1446LCS8#PBF
Manufacturer:
Exar
Quantity:
142
This circuit shows how to use an LTC1446 and an
LT
with an offset that can be digitally programmed. V
which can be set by loading the appropriate digital code
TYPICAL APPLICATIONS
®
1077 to make a wide bipolar output swing 12-bit DAC
A Wide Swing, Bipolar Output DAC with Digitally Controlled Offset
P
V
U
OUT
–4.096
–8.190
8.190
4.094
0
N
CLK
D
CS/LD
D
IN
OUT
LTC1446
OUT A
V
V
OUT B
OUT A
GND
A: V
B: V
C: V
V
CC
,
OUT A
OUT A
OUT A
for DAC A, sets the offset. As this value changes, the
transfer curve for the output moves up and down as
illustrated in the graph below.
5V
0V
2.048V
4.095V
50k
50k
100k
0.1 F
A
B
C
1446/46L F02
+
–
LT1077
–15V
15V
100k
D
IN
LTC1446/LTC1446L
V
2 (V
OUT
OUT B
=
– V
OUT A)
9