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參數(shù)資料
| 型號： | LTC1658CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | DAC |
| 英文描述： | Low-Power Dual LinCMOS<TM> Timer 20-LCCC -55 to 125 |
| 中文描述： | SERIAL INPUT LOADING, 12 us SETTLING TIME, 14-BIT DAC, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 261K |
| 代理商： | LTC1658CS8 |
7
LTC1658
OPERATIOU
Serial Interface
The data on the D
IN
input is loaded into the shift register
on the rising edge of the clock. The MSB is loaded first. The
DAC register loads the data from the shift register when
CS/LD is pulled high. The clock is disabled internally when
CS/LD is high. Note: CLK must be low before CS/LD is
pulled low to avoid an extra internal clock pulse. The input
word must be 16 bits wide. The last two bits are don’t
cares.
The buffered output of the 16-bit shift register is available
on the D
OUT
pin which swings from GND to V
CC
.
Multiple LTC1658s may be daisy-chained together by
connecting the D
OUT
pin to the D
IN
pin of the next chip
while the clock and CS/LD signals remain common to all
chips in the daisy chain. The serial data is clocked to all of
the chips then the CS/LD signal is pulled high to update all
of them simultaneously.
Voltage Output
The LTC1658 rail-to-rail buffered output can source or sink
5mA over the entire operating temperature range while
pulling to within 400mV of the positive supply voltage or
ground. The output swings to within a few millivolts of ei-
ther supply rail when unloaded and has an equivalent out-
put resistance of 40
, at 5V V
CC
, when driving a load to the
rails. The output can drive 1000pF without going into os-
cillation.
The output swings from 0V to the voltage at the REF pin,
i.e., there is a gain of 1 from REF to V
OUT
. Please note, if
REF is tied to V
CC
the output can only swing to (V
CC
– V
OS
).
See Applications Information.
相關(guān)PDF資料 |
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|---|---|
| LTC1658IMS8 | 14-Bit Rail-to-Rail Micropower DAC in MSOP |
| LTC1658IN8 | 14-Bit Rail-to-Rail Micropower DAC in MSOP |
| LTC1659CS8 | Low-Power Dual LinCMOS<TM> Timer 14-CDIP -55 to 125 |
| LTC1659CMS8 | 12-Bit Rail-to-Rail Micropower DAC in MSOP Package |
| LTC1659IS8 | 12-Bit Rail-to-Rail Micropower DAC in MSOP Package |
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