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DAC-1225

更新时间： 2024-01-16 11:54:01
品牌 Logo 应用领域
达特尔 - DATEL /
页数 文件大小 规格书
6页 435K
描述
12-Bit, 250MSPS, Low-Power D/A Converters

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中文翻译

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DAC-1225 数据手册

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DAC-1225  
12-Bit, 250MSPS, Low-Power D/A Converters  
PRODUCT OVERVIEW  
The 12-Bit DAC-1225 is one in a series of high speed pin  
to pin compatible 10 to 12 bit D/A’s from DATEL.This D/A  
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The DAC-1225 operates from a single +3Volt supply  
and contains a precision internal 1.24Volt reference with  
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mented current source topology that is built on an advanced external reference. Excellent dynamic performance, a power  
CMOS process and delivers a low glitch energy outputof 2mA saving "sleep-mode" feature as well as edge-triggered  
to 20mA.  
LVCMOS input latches makes theTSSOP version of this family  
pin-to-pin compatible with several industry DACs.  
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with ATE results recorded and stored for the operating  
temperature ranges of -40°C to +105°C (Enhanced) or  
–55°C to +125°C (military). Burn-in and environmental  
screening are also available.  
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as well as fully screened High-Reliability -QL and /883  
models.  
FEATURES  
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fullyhermeticsealed ceramicLCC package.The hermetic  
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DC characteristics of the DAC more stable in environments  
where humidity is a concern.In addition, the LCC pack-  
age isolates the IC from the stresses that may occur  
on the printed circuit board caused by variations in  
temperature.  
12-Bit resolution  
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250MSPS conversion rate  
2mA -20mA output current  
Operates from single +2.7 to +3.6Voltsupply  
Low power, 120mW  
Internal +1.24Volt reference - optional external reference  
Outstanding dynamic performance  
Guaranteed monotonicity  
Humidity and stress resistant ceramic LCC package  
for -QL and /883 models  
APPLICATIONS  
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MIL-STD/883 systems  
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-40°C to +105°C and -55°C to +125°C operating  
temperature ranges  
Defense/ aerospace applications  
Signal reconstruction  
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100% testing over temperature  
High resolution imaging  
Cellular base stations  
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and ATE traceability  
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28 pinTSSOP package (SE, SM)  
Pb-free RoHS compliant  
INPUT/ OUTPUT DESCRIPTIONS / BLOCK DIAGRAM  
INPUT/OUTPUT CONNECTIONS  
PIN  
1
FUNCTION  
BIT 1 (MSB)  
BIT 2  
PIN  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
FUNCTION  
CLK  
2
DVDD  
DGND  
NC  
3
BIT 3  
4
BIT 4  
5
BIT 5  
AVDD  
6
BIT 6  
COMP  
IOUTA  
IOUTB  
AGND  
NC  
7
BIT 7  
8
BIT 8  
9
BIT 9  
10  
11  
12  
13  
14  
BIT 10  
BIT 11  
BIT 12 (LSB)  
DGND  
GAINADJ  
REFI/O  
REFSEL  
SHTDWN  
DGND  
*Pinout applies toTSSOP package  
Figure 1. DAC-1225 Functional Block Diagram  
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01 Feb 2016 MDA_DAC-1225.C01.D1 Page1 of 6  
123456

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