參數(shù)資料
型號: LTC1257CN8#PBF
廠商: Linear Technology
文件頁數(shù): 1/12頁
文件大小: 0K
描述: IC D/A CONV 12BIT VOLT OUT 8-DIP
標準包裝: 50
設(shè)置時間: 6µs
位數(shù): 12
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
功率耗散(最大): 1.75mW
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-PDIP
包裝: 管件
輸出數(shù)目和類型: 1 電壓,單極
采樣率(每秒): *
產(chǎn)品目錄頁面: 1350 (CN2011-ZH PDF)
LTC1257
1
1257fc
TYPICAL APPLICATION
FEATURES
DESCRIPTION
Complete Single Supply
12-Bit Voltage Output
DAC in SO-8
The LTC1257 is a complete single supply, 12-bit voltage
output D/A converter (DAC) in an SO-8 package. The
LTC1257 includes an output buffer amplifier, 2.048V volt-
age reference and an easy to use 3-wire cascadable serial
interface. An external reference can be used to override
the internal reference and extend the output voltage range
to 12V. The power supply current is a low 350A when
operating from a 5V supply, making the LTC1257 ideal
for battery-powered applications. The space-saving 8-pin
SO package and operation with no external components
provide the smallest 12-bit D/A system available.
Daisy-Chained Control Outputs
Differential Nonlinearity
vs Input Code
APPLICATIONS
n
8-Pin SO Package
n
Buffered Voltage Output
n
Built-In 2.048V Reference
n
500V/LSB with 2.048V Full Scale
n
1/2LSB Max DNL Error
n
Guaranteed 12-Bit Monotonic
n
3-Wire Cascadable Serial Interface
n
Wide Single Supply Range: VCC = 4.75V to 15.75V
n
Low Power: ICC Typ = 350A with 5V Supply
n
Digital Offset/Gain Adjustment
n
Industrial Process Control
n
Automatic Test Equipment
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
P
5V
0.1F
CONTROL OUTPUT 1
CONTROL OUTPUT 2
VCC
VREF
GND
VOUT
DIN
CLK
LOAD
DOUT
LTC1257
VCC
VREF
GND
VOUT
DIN
CLK
LOAD
DOUT
LTC1257
TO NEXT DAC
1257 TA01
CODE
0
DNL
ERROR
(LSBs)
0.5
0.0
–0.5
1024
2048 2560
1257 TA05
512
1536
3072 3584 4098
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