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LTC1257IN8 Datasheet

  • LTC1257IN8

  • Complete Single Supply 12-Bit Voltage Output DAC in SO-8

  • 264.03KB

  • 12頁

  • LINER

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LTC1257
Complete Single Supply
12-Bit Voltage Output
DAC in SO-8
FEATURES
s
s
s
s
s
s
s
s
s
DESCRIPTIO
8-Pin SO Package
Buffered Voltage Output
Built-In 2.048V Reference
500碌V/LSB with 2.048V Full Scale
1/2LSB Max DNL Error
Guaranteed 12-Bit Monotonic
3-Wire Cascadable Serial Interface
Wide Single Supply Range: V
CC
= 4.75V to 15.75V
Low Power: I
CC
Typ = 350碌A(chǔ) with 5V Supply
APPLICATI
s
s
s
S
Digital Offset/Gain Adjustment
Industrial Process Control
Automatic Test Equipment
The LTC
廬
1257 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
voltage reference and an easy to use three-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
350碌A(chǔ) 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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATI
Daisy-Chained Control Outputs
5V
0.5
Differential Nonlinearity
vs Input Code
0.1碌F
CONTROL OUTPUT 1
V
CC
V
OUT
LTC1257
GND V
REF
D
IN
CLK
LOAD
D
OUT
碌P
DNL ERROR (LSBs)
0.0
0.1碌F
CONTROL OUTPUT 2
V
CC
V
OUT
LTC1257
GND V
REF
D
IN
CLK
LOAD
D
OUT
TO NEXT DAC
1257 TA01
鈥?.5
0
512 1024 1536 2048 2560 3072 3584 4098
CODE
1257 TA05
U
UO
UO
1

LTC1257IN8 產(chǎn)品屬性

  • LTC1257

  • 50

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 6µs

  • 12

  • 串行

  • 1

  • 單電源

  • 1.75mW

  • -40°C ~ 85°C

  • 通孔

  • 8-DIP（0.300"，7.62mm）

  • 8-PDIP

  • 管件

  • 1 電壓，單極

  • *

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