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AD7846KNZ

更新时间： 2024-01-21 11:09:50
品牌 Logo 应用领域
亚德诺 - ADI 转换器数模转换器光电二极管
页数 文件大小 规格书
24页 451K
描述
LC2MOS 16-Bit Voltage Output DAC

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中文翻译

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AD7846KNZ 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Active零件包装代码：LCC
包装说明：QCCJ, LDCC28,.5SQ针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.23
Is Samacsys：N最大模拟输出电压：10 V
最小模拟输出电压：-10 V转换器类型：D/A CONVERTER
输入位码：BINARY, OFFSET BINARY输入格式：PARALLEL, WORD
JESD-30 代码：S-PQCC-J28JESD-609代码：e3
长度：11.505 mm最大线性误差 (EL)：0.0122%
湿度敏感等级：5标称负供电电压：-15 V
位数：16功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：QCCJ封装等效代码：LDCC28,.5SQ
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：260电源：5,+-15 V
认证状态：Not Qualified座面最大高度：4.57 mm
最大稳定时间：9 µs标称安定时间 (tstl)：7 µs
子类别：Other Converters标称供电电压：15 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：J BEND端子节距：1.27 mm
端子位置：QUAD处于峰值回流温度下的最长时间：40
宽度：11.505 mmBase Number Matches：1

AD7846KNZ 数据手册

 浏览型号AD7846KNZ的Datasheet PDF文件第2页浏览型号AD7846KNZ的Datasheet PDF文件第3页浏览型号AD7846KNZ的Datasheet PDF文件第4页浏览型号AD7846KNZ的Datasheet PDF文件第5页浏览型号AD7846KNZ的Datasheet PDF文件第6页浏览型号AD7846KNZ的Datasheet PDF文件第7页 
LC2MOS  
16-Bit Voltage Output DAC  
AD7846  
FUNCTIONAꢀ BꢀOCK DIAGRAM  
FEATURES  
V
V
CC  
DD  
16-bit monotonicity over temperature  
2 ꢀSBs integral linearity error  
Microprocessor compatible with readback capability  
Unipolar or bipolar output  
Multiplying capability  
ꢀow power (100 mW typical)  
21  
4
V
REF+  
7
AD7846  
R
R
R
R
R
6
5
R
IN  
A2  
A1  
16  
SEGMENT  
SWITCH  
MATRIX  
V
A3  
OUT  
12-BIT DAC  
12  
23  
CS  
V
REF–  
8
DAC LATCH  
12  
22  
25  
24  
4
R/W  
CONTROL  
LOGIC  
LDAC  
CLR  
I/O LATCH  
9
10  
3
20  
V
DB15 DB0  
DGND  
SS  
Figure 1.  
GENERAꢀ DESCRIPTION  
The AD7846 is a 16-bit DAC constructed with the Analog Devices,  
Inc., LC2MOS process. It has VREF+ and VREF− reference inputs  
and an on-chip output amplifier. These can be configured to  
give a unipolar output range (0 V to +5 V, 0 V to +10 V) or  
bipolar output ranges ( 5 V, 10 V).  
W
to 00…000 or 10…000 depending on the state of R/ . This  
means that the DAC output can be reset to 0 V in both the  
unipolar and bipolar configurations.  
The AD7846 is available in 28-lead plastic, ceramic, and PLCC  
packages.  
The DAC uses a segmented architecture. The four MSBs in the  
DAC latch select one of the segments in a 16-resistor string.  
Both taps of the segment are buffered by amplifiers and fed to a  
12-bit DAC, which provides a further 12 bits of resolution. This  
architecture ensures 16-bit monotonicity. Excellent integral  
linearity results from tight matching between the input offset  
voltages of the two buffer amplifiers.  
PRODUCT HIGHꢀIGHTS  
1. 16-Bit Monotonicity  
The guaranteed 16-bit monotonicity over temperature  
makes the AD7846 ideal for closed-loop applications.  
2. Readback  
The ability to read back the DAC register contents  
minimizes software routines when the AD7846 is used in  
ATE systems.  
In addition to the excellent accuracy specifications, the AD7846  
also offers a comprehensive microprocessor interface. There are  
3. Power Dissipation  
CS W LDAC  
CLR  
16 data I/O pins, plus control lines ( , R/  
,
and  
allow writing to and reading from the I/O latch.  
This is the readback function, which is useful in ATE applications.  
).  
Power dissipation of 100 mW makes the AD7846 the  
lowest power, high accuracy DAC on the market.  
W
CS  
R/ and  
LDAC  
allows simultaneous updating of DACs in a multi-DAC  
CLR  
system and the  
line will reset the contents of the DAC latch  
Rev. G  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2000–2010 Analog Devices, Inc. All rights reserved.  
 
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中文翻译

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AD7846KNZ 替代型号

型号 品牌 替代类型 描述 数据表
AD7846JN ADI

完全替代

 LC2MOS 16-Bit Voltage Output DAC
AD7846ACHIPS ADI

类似代替

 LC2MOS 16-Bit Voltage Output DAC
AD7846JNZ ADI

功能相似

 LC2MOS 16-Bit Voltage Output DAC

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