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AD5625

更新时间： 2024-01-27 21:40:57
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
32页 819K
描述
Quad, 12-/14-/16-Bit nanoDACs with 5ppm/∑C On-chip Ref, I2C Interface

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AD5625 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：TSSOP
包装说明：TSSOP, TSSOP14,.25针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.79
最大模拟输出电压：5.5 V最小模拟输出电压：
转换器类型：D/A CONVERTER输入位码：BINARY
输入格式：SERIALJESD-30 代码：R-PDSO-G14
JESD-609代码：e3长度：5 mm
最大线性误差 (EL)：0.0244%湿度敏感等级：1
位数：12功能数量：1
端子数量：14最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：Not Qualified座面最大高度：1.2 mm
最大稳定时间：4.5 µs标称安定时间 (tstl)：3 µs
最大压摆率：1.16 mA标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
Base Number Matches：1

AD5625 数据手册

 浏览型号AD5625的Datasheet PDF文件第2页浏览型号AD5625的Datasheet PDF文件第3页浏览型号AD5625的Datasheet PDF文件第4页浏览型号AD5625的Datasheet PDF文件第5页浏览型号AD5625的Datasheet PDF文件第6页浏览型号AD5625的Datasheet PDF文件第7页 
Quad, 12-/14-/16-Bit nanoDACs® with  
5ppm/°C On-chip Ref, I2C Interface  
AD5625R/AD5645R/AD5665R  
AD5625/AD5665  
Preliminary Technical Data  
V
/V  
REFIN REFOUT  
V
GND  
DD  
FEATURES  
AD5625R/AD5645R/AD5665R  
1.25V/2.5V REF  
Low power, smallest pin-compatible, quad nanoDACs  
AD5625R/AD5645R/AD5665R  
12-/14-/16 bits  
On-chip 1.25 V/2.5 V, 5 ppm/°C reference.  
AD5625/AD5665  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC A  
V
BUFFER  
BUFFER  
BUFFER  
BUFFER  
OUTA  
ADDR1  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC B  
V
V
V
ADDR2  
SCL  
OUTB  
OUTC  
OUTD  
INTERFACE  
LOGIC  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC C  
12-/16 bits  
External reference only  
SDA  
DAC  
REGISTER  
INPUT  
REGISTER  
STRING  
DAC D  
3 mm x 3 mm LFCSP and 14-lead TSSOP  
2.7 V to 5.5 V power supply  
Guaranteed monotonic by design  
Power-on reset to zero scale/midscale  
Per channel power-down  
POWER-ON  
RESET  
POWER-DOWN  
LOGIC  
LDAC CLR  
NOTE. THE FOLLOWING PINS ARE AVAILABLE ONLY ON 14-PIN PACKAGE - ADDR2, LDAC, CLR, POR.  
POR  
V
V
GND  
REFIN  
DD  
AD5625/AD5665  
I2C-compatible serial interface supports standard (100 kHz),  
fast (400 kHz), and high speed (3.4 MHz) modes  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC A  
BUFFER  
BUFFER  
BUFFER  
BUFFER  
V
OUTA  
ADDR1  
STRING  
DAC B  
INPUT  
REGISTER  
DAC  
REGISTER  
V
V
V
ADDR2  
SCL  
OUTB  
OUTC  
OUTD  
APPLICATIONS  
Process control  
Data acquisition systems  
Portable battery-powered instruments  
Digital gain and offset adjustment  
Programmable voltage and current sources  
Programmable attenuators  
INTERFACE  
LOGIC  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC C  
SDA  
DAC  
REGISTER  
INPUT  
REGISTER  
STRING  
DAC D  
POWER-ON  
RESET  
POWER-DOWN  
LOGIC  
LDAC CLR  
POR  
NOTE. THE FOLLOWING PINS ARE AVAILABLE ONLY ON 14-PIN PACKAGE - ADDR2, LDAC, CLR, POR.  
Figure 1. Functional Block Diagrams  
GENERAL DESCRIPTION  
until a valid write takes place. The part contains a per-channel  
power-down feature that reduces the current consumption of  
the device to 480 nA at 5 V and provides software-selectable  
output loads while in power-down mode. The low power  
consumption of this part in normal operation makes it ideally  
suited to portable battery-operated equipment. The on-chip  
precision output amplifier enables rail-to-rail output swing.  
The AD5625R/AD5645R/AD5665R, AD5625/AD5665  
members of the nanoDAC family, are low power, quad, 12-, 14-,  
16-bit buffered voltage-out DACs with/without an on-chip  
reference. All devices operate from a single 2.7 V to 5.5 V  
supply, are guaranteed monotonic by design and have an I2C-  
compatible serial interface .  
The AD5625R/AD5645R/AD5665R have an on-chip reference. The  
AD56x5RBCPZ have a 1.25 V, 5 ppm/°C reference, giving a full-scale  
output range of 2.5 V; the AD56x5RBRUZ have a 2.5 V, 5 ppm/°C  
reference giving a full-scale output range of 5 V. The on-chip  
reference is off at power-up, allowing the use of an external reference.  
The internal reference is enabled via a software write. The AD5665  
and AD5625 require an external reference voltage to set the  
output range of the DAC.  
The AD5625R/AD5645R/AD5665R, AD5625/AD5665 use a 2-  
wire I2C-compatible serial interface that operates in standard  
(100 kHz), fast (400 kHz), and high speed (3.4 MHz) modes.  
Table 1. Related Devices  
Part No.  
AD5624R/AD5644R/AD5664R Quad SPI 12-, 14-, 16-bit DACs,  
AD5624/AD5664 with/without internal reference.  
AD5627R/AD5647R/AD5667R Dual I2C 12-, 14-,16-bit DACs,  
Description  
AD5627/5667,  
AD5666  
with/without internal reference.  
2.7 V to 5.5 V, Quad 16-bit DAC,  
internal reference, SPI interface  
The part incorporates a power-on reset circuit that ensures the  
DAC output powers up to 0 V or midscale and remains there  
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 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  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
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