參數(shù)資料
型號: LTC1456C
廠商: Linear Technology Corporation
英文描述: 12-Bit Rail-to-Rail Micropower DAC with Clear Input
中文描述: 12位軌至軌微DAC,具有清除輸入
文件頁數(shù): 1/8頁
文件大?。?/td> 148K
代理商: LTC1456C
1
LTC1456
12-Bit Rail-to-Rail
Micropower DAC
with Clear Input
I
Digital Calibration
I
Industrial Process Control
I
Automatic Test Equipment
I
Cellular Telephones
APPLICATIO
S
U
TYPICAL APPLICATIO
N
U
CODE
0
D
0.5
0
–0.5
1024
2048 2560
1456 TA02
512
1536
3072 3584 4095
Differential Nonlinearity
vs Input Code
Functional Block Diagram: 12-Bit Rail-to-Rail DAC with Clear Input
+
12-BIT
DAC
4.5V TO 5.5V
2.048V
GND
POWER-ON
RESET
TO
OTHER
DACS
12-BIT
SHIFT
REG
AND
DAC
LATCH
μ
P
D
IN
V
CC
2
8
D
OUT
4
5
1456 TA01
CLK
1
CS/LD
3
CLR
6
7
RAIL-TO-RAIL
VOLTAGE
OUTPUT
V
OUT
FEATURES
I
SO-8 Package
I
12-Bit Resolution
I
Buffered True Rail-to-Rail Voltage Output
I
Asynchronous Clear Input
I
Built-In Reference
I
Schmitt Trigger On Clock Input Allows Direct
Optocoupler Interface
I
Power-On Reset Clears DAC to 0V
I
3-Wire Cascadable Serial Interface
I
Maximum DNL Error: 0.5LSB
I
Low Cost
The LTC
1456 is a complete single supply, rail-to-rail
voltage output, 12-bit digital-to-analog converter (DAC) in
an SO-8 package. It includes a rail-to-rail output buffer
amplifier and an easy-to-use 3-wire cascadable serial
interface. The LTC1456 includes a CLR pin that asynchro-
nously clears the DAC to zero scale.
The LTC1456 has an internal 2.048V reference and a full-
scale output of 4.095V. It operates on a 4.5V to 5.5V
supply, dissipating 2.2mW.
The low power supply current and the space saving SO-8
package make the LTC1456 ideal for battery-powered
applications.
DESCRIPTIO
N
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
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