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參數資料
| 型號： | LTC1446LCS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | DAC |
| 英文描述： | Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8 |
| 中文描述： | DUAL, SERIAL INPUT LOADING, 14 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數： | 8/12頁 |
| 文件大?。?/td> | 130K |
| 代理商： | LTC1446LCS8 |
8
LTC 1446/LTC 1446L
Serial Interface
The data on the D
IN
input is loaded into the shift register
on the rising edge of the clock. Data is loaded as one 24-
bit word where the first 12 bits are for DAC A and the
second 12 are for DAC B. For each 12-bit segment the MSB
is loaded first. Data from the shift register is loaded into the
DAC 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 buffered output of the 24-bit shift register is available
on the D
OUT
pin which swings from GND to V
CC
.
Multiple LTC1446/LTC1446L’s may be daisy-chained to-
gether 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 LTC1446/LTC1446L include an internal voltage refer-
ence which is connected to each DAC. The LTC1446 has a
full scale of 4.095V making 1LSB equal to 1mV. The
LTC1446L has a full scale of 2.5V making 1LSB equal to
0.61mV.
The LTC1446/LTC1446L rail-to-rail buffered outputs can
source or sink 5mA when operating with a 5V supply while
pulling to within 300mV of the positive supply voltage or
ground. The outputs swing to within a few millivolts of
either supply rail when unloaded and have an equivalent
output resistance of 40
when driving a load to the rails.
The buffer amplifiers can drive 1000pF without going into
oscillation.
OPERATIOU
相關PDF資料 |
PDF描述 |
|---|---|
| LTC1446LIN8 | Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8 |
| LTC1446CN8 | Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8 |
| LTC1446LIS8 | Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8 |
| LTC1446 | Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8 |
| LTC1446CS8 | Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC1446LCS8#PBF | 功能描述:IC D/A CONV 12BIT R-R DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓，單極 采樣率（每秒）:* 產品目錄頁面:1398 (CN2011-ZH PDF) |
| LTC1446LCS8#PBF | 制造商:Linear Technology 功能描述:IC D/A CONVERTER DUAL 12-BIT SOP |
| LTC1446LCS8#TR | 功能描述:IC DAC 12BIT DUAL R-R MPWR 8SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯(lián) 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| LTC1446LCS8#TRPBF | 功能描述:IC D/A CONV 12BIT R-R DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯(lián) 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| LTC1446LCS8PBF | 制造商:Linear Technology 功能描述:DAC Dual 12-Bit RRO uPower SOIC8 |
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