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AD5669RBCPZ-1500R7 PDF预览

AD5669RBCPZ-1500R7

更新时间： 2024-11-05 20:00:43
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亚德诺 - ADI 转换器
页数 文件大小 规格书
32页 1287K
描述
Octal, 16-bit, I<sup>2</sup>C Voltage Output denseDAC with 5 ppm/&deg;C On-Chip Reference

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Octal, 12-/16-Bit, I2C, denseDACs  
with 5 ppm/°C On-Chip Reference  
Data Sheet  
AD5629R/AD5669R  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
V
/V  
DD  
REFIN REFOUT  
Low power octal DACs  
AD5629R: 12 bits  
AD5669R: 16 bits  
AD5629R/AD5669R  
1.25V/2.5V REF  
BUFFER  
LDAC  
INPUT  
REGISTER  
DAC  
STRING  
DAC A  
V
V
V
V
V
V
V
V
A
B
C
D
E
F
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
REGISTER  
2.6 mm × 2.6 mm 16-ball WLCSP  
4 mm × 4 mm 16-lead LFCSP and 16-lead TSSOP  
On-chip 1.25 V/2.5 V, 5 ppm/°C reference  
Power down to 400 nA at 5 V, 200 nA at 3 V  
2.7 V to 5.5 V power supply  
Guaranteed monotonic by design  
Power-on reset to zero scale or midscale  
3 power-down functions  
SCL  
SDA  
A0  
BUFFER  
BUFFER  
BUFFER  
BUFFER  
BUFFER  
BUFFER  
BUFFER  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC B  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC C  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC D  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC E  
LDAC  
CLR  
functions  
Hardware  
and  
I2C-compatible serial interface supports standard (100 kHz)  
and fast (400 kHz) modes  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC F  
APPLICATIONS  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC G  
G
H
Process control  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC H  
Data acquisition systems  
Portable battery-powered instruments  
Digital gain and offset adjustment  
Programmable voltage and current sources  
POWER-ON RESET  
POWER-DOWN LOGIC  
GND  
LDAC CLR  
Figure 1.  
GENERAL DESCRIPTION  
The AD5629R/AD5669R devices are low power, octal, 12-/16-  
bit, buffered voltage-output DACs. All devices are guaranteed  
monotonic by design.  
The parts incorporate a power-on reset circuit to ensure that  
the DAC output powers up to 0 V (AD5629R-1/AD5629R-2,  
AD5669R-1/AD5669R-2) or midscale (AD5629R-3/AD5669R-3)  
and remains powered up at this level until a valid write takes place.  
The part contains a power-down feature that reduces the current  
consumption of the device to 400 nA at 5 V and provides software-  
selectable output loads while in power-down mode for any or  
all DAC channels.  
The AD5629R/AD5669R have an on-chip reference with an  
internal gain of 2. The AD5629R-1/AD5669R-1 have a 1.25 V,  
5 ppm/°C reference, giving a full-scale output range of 2.5 V.  
The AD5629R-2/AD5629R-3 and the AD5669R-2/AD5669R-3  
have a 2.5 V 5 ppm/°C reference, giving a full-scale output range  
of 5 V depending on the option selected. Devices with 1.25 V  
reference selected operate from a single 2.7 V to 5.5 V supply.  
Devices with 2.5 V reference selected operate from 4.5 V to 5.5 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.  
PRODUCT HIGHLIGHTS  
1. Octal, 12-/16-bit DACs.  
2. On-chip 1.25 V/2.5 V, 5 ppm/°C reference.  
3. Available in 16-lead LFCSP and TSSOP, and 16-ball  
WLCSP.  
4. Power-on reset to 0 V or midscale.  
5. Power-down capability. When powered down, the DAC  
typically consumes 200 nA at 3 V and 400 nA at 5 V.  
Rev. E  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2010–2016 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 
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