LTC1446CS8 Linear Technology, LTC1446CS8 Datasheet - Page 9
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LTC1446CS8
Manufacturer Part Number
LTC1446CS8
Description
IC D/A CONV 12BIT R-R DUAL 8SOIC
Manufacturer
Linear Technology
Datasheet
1.LTC1446CN8PBF.pdf
(12 pages)
Specifications of LTC1446CS8
Settling Time
14µs
Number Of Bits
12
Data Interface
Serial
Number Of Converters
2
Voltage Supply Source
Single Supply
Power Dissipation (max)
5mW
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC1446CS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LTC1446CS8#PBF
Manufacturer:
LT凌特厂
Quantity:
20 000
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