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AD5648ARUZ-2 PDF预览

AD5648ARUZ-2

更新时间： 2024-11-24 04:30:43
品牌 Logo 应用领域
亚德诺 - ADI 转换器数模转换器
页数 文件大小 规格书
24页 306K
描述
Octal, 12-14-16 Bit Dac with 10ppm/∑C Max On-Chip Reference in 14-Lead TSSOP

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AD5648ARUZ-2 数据手册

 浏览型号AD5648ARUZ-2的Datasheet PDF文件第2页浏览型号AD5648ARUZ-2的Datasheet PDF文件第3页浏览型号AD5648ARUZ-2的Datasheet PDF文件第4页浏览型号AD5648ARUZ-2的Datasheet PDF文件第5页浏览型号AD5648ARUZ-2的Datasheet PDF文件第6页浏览型号AD5648ARUZ-2的Datasheet PDF文件第7页 
Octal, 12-14-16 Bit Dac with 10ppm/°C Max  
On-Chip Reference in 14-Lead TSSOP  
Preliminary Technical Data  
AD5628/AD5648/AD5668  
Digital Gain and Offset Adjustment  
FEATURES  
Programmable Voltage and Current Sources  
Low Power Smallest Pin compatible Octal DACs  
AD5668: 16 Bits  
Programmable Attenuators  
V
V
REF  
DD  
AD5648: 14 Bits  
AD5628: 12 Bits  
AD5628/AD5648/AD5668  
1.25/2.5V  
Ref  
12-Bit Accuracy Guaranteed  
14/16-Lead TSSOP Package  
On-chip 1.25/2.5V, 10ppm/°C Reference  
Power-Down to 200 nA @ 5V, 50 nA @ 3V  
3V/5V Power Supply  
Guaranteed Monotonic by Design  
Power-On-Reset to Zero/Midscale  
Three Power-Down Functions  
Hardware /LDAC and /CLR functions  
Rail-to-Rail Operation  
I
NPUT  
REGISTER  
DAC  
STRING  
DAC A  
BUFFER  
REGISTER  
LDAC  
V
A
B
OUT  
I
NPUT  
REGISTER  
STRING  
DAC B  
DAC  
REGISTER  
BUFFER  
BUFFER  
BUFFER  
V
OUT  
I
NPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC C  
V
OUT  
C
SCLK  
SYNC  
DIN  
I
NPUT  
REGISTER  
STRING  
DAC D  
D
AC  
REGISTER  
V
OUT  
D
INTERFACE  
LOGIC  
I
NPUT  
REGIS-  
TER  
D
AC  
REGISTER  
STRING  
DAC E  
V
OUT  
E
BUFFER  
I
NPUT  
REGISTER  
D
AC  
REGISTER  
STRING  
DAC F  
V
OUT  
F
BUFFER  
BUFFER  
BUFFER  
I
NPUT  
REGISTER  
STRING  
DAC G  
D
AC  
REGISTER  
V
V
G
H
OUT  
OUT  
I
NPUT  
REGISTER  
D
AC  
REGISTER  
STRING  
DAC  
H
Temperature Range -40°C to +125°C  
POWER-DOWN  
LOGIC  
POWER-ON  
RESET  
APPLICATIONS  
ProcessControl  
GND  
LDAC*  
CLR*  
*RU-16 PACKAGE ONLY  
Data Acquisition Systems  
Portable Battery Powered Instruments  
Figure 1. Functional Block Diagram  
The outputs of all DACs may be updated simultaneously using  
the /LDAC function, with the added functionality of selecting  
through software any number of DAC channels to synchronize.  
There is also an asynchronous active low /CLR that clears all  
DACs to a software selectable code - 0 V, midscale or fullscale .  
GENERAL DESCRIPTION  
The AD5628/48/68 family of devices are low power, octal, 12-  
14-16-bit buffered voltage-out DACs. All devices operate from  
a single +2.7V to +5.5V, and are guaranteed monotonic by  
design.  
The AD5628/48/68 utilizes a versatile three-wire serial  
interface that operates at clock rates up to 50 MHz and is  
compatible with standard SPI™, QSPI™, MICROWIRE™ and  
DSP interface standards. Its on-chip precision output amplifier  
allows rail-to-rail output swing to be achieved.  
The AD5628/48/68 have an on-chip reference with an internal  
gain of two. The AD56x8-1 has a 1.25V 10ppm/°C max  
reference and the AD56x8-2,-3 have a 2.5V 10ppm/°C max  
reference. The on-board reference is off at power-up allowing  
the use of an external reference. The internal reference is  
turned on by writing to the DAC. The part incorporates a  
power-on-reset circuit that ensures that the DAC output  
powers up to zero volts (AD56x8-1,-2/) or midscale (AD5668-  
3) and remains there until a valid write takes place. The part  
contains a power-down feature that reduces the current  
consumption of the device to 200nA at 5V and provides  
software selectable output loads while in power-down mode for  
any or all DACs channels.  
PRODUCT HIGHLIGHTS  
1. Octal 12/14/16-Bit DAC; 12-Bit Accuracy Guaranteed.  
2. On-chip 1.25/2.5V, 10ppm/°C max Reference.  
3. Available in 14/16-lead TSSOP package.  
4. Power-On-Reset to Zero volts or Midscale.  
5. Power-down capability. When powered down, the  
DAC typically consumes 50nA at 3V and 200nA at 5V.  
Rev. PrA  
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  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
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AD5648ARUZ-2 替代型号

型号 品牌 替代类型 描述 数据表
AD5648ARUZ-2REEL7 ADI

类似代替

 Octal, 12-/14-/16-Bit SPI Voltage Output dens
DAC8168ICPW TI

功能相似

 12-/14-/16-Bit, Octal-Channel, Ultra-Low Glit

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