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AD7846KP

更新时间： 2024-01-15 17:42:59
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 615K
描述
LC2MOS 16-Bit Voltage Output DAC

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中文翻译

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AD7846KP 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

AD7846KP 数据手册

 浏览型号AD7846KP的Datasheet PDF文件第2页浏览型号AD7846KP的Datasheet PDF文件第3页浏览型号AD7846KP的Datasheet PDF文件第4页浏览型号AD7846KP的Datasheet PDF文件第5页浏览型号AD7846KP的Datasheet PDF文件第6页浏览型号AD7846KP的Datasheet PDF文件第7页 
LC2MOS  
16-Bit Voltage Output DAC  
a
AD7846  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
16-Bit Monotonicity over Temperature  
؎2 LSBs Integral Linearity Error  
Microprocessor Compatible with Readback Capability  
Unipolar or Bipolar Output  
Multiplying Capability  
Low Power (100 mW Typical)  
V
V
DD  
CC  
V
REF +  
AD7846  
R
R
R
R
R
R
V
A2  
A1  
IN  
16  
SEGMENT  
SWITCH  
MATRIX  
A3  
OUT  
12-BIT DAC  
12  
CS  
V
REF –  
DAC LATCH  
12  
4
R/ W  
LDAC  
CLR  
CONTROL  
LOGIC  
I/O LATCH  
V
DB15 DB0  
DGND  
SS  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The AD7846 is a 16-bit DAC constructed with Analog Devices’  
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).  
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.  
The DAC uses a segmented architecture. The 4 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.  
3. Power Dissipation  
Power dissipation of 100 mW makes the AD7846 the lowest  
power, high accuracy DAC on the market.  
In addition to the excellent accuracy specifications, the AD7846  
also offers a comprehensive microprocessor interface. There are  
16 data I/O pins, plus control lines (CS, R/W, LDAC and CLR).  
R/W and CS allow writing to and reading from the I/O latch.  
This is the readback function which is useful in ATE applica-  
tions. LDAC allows simultaneous updating of DACs in a multi-  
DAC system and the CLR line will reset the contents of the  
DAC latch to 00 . . . 000 or 10 . . . 000 depending on the state  
of R/W. 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.  
REV. E  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 2000  
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中文翻译

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AD7846KP 替代型号

型号 品牌 替代类型 描述 数据表
AD7846KPZ ADI

完全替代

 LC2MOS 16-Bit Voltage Output DAC
AD7846JPZ ADI

完全替代

 LC2MOS 16-Bit Voltage Output DAC
AD7846JP ADI

类似代替

 LC2MOS 16-Bit Voltage Output DAC

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