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AD5322 PDF预览

AD5322

更新时间: 2024-01-27 19:58:00
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 211K
描述
+2.5 V to +5.5 V, 230 uA Dual Rail-to-Rail, Voltage Output 8-/10-/12-Bit DACs

AD5322 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, TSSOP10,.19,20针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.25
最大模拟输出电压:5.499 V最小模拟输出电压:0.001 V
转换器类型:D/A CONVERTER输入位码:BINARY
输入格式:SERIALJESD-30 代码:S-PDSO-G10
JESD-609代码:e3长度:3 mm
最大线性误差 (EL):0.1953%湿度敏感等级:1
位数:12功能数量:1
端子数量:10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:TSSOP10,.19,20
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:2.5/5.5 V
认证状态:Not Qualified座面最大高度:1.1 mm
最大稳定时间:10 µs标称安定时间 (tstl):8 µs
子类别:Other Converters最大压摆率:0.45 mA
标称供电电压:3 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:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

AD5322 数据手册

 浏览型号AD5322的Datasheet PDF文件第2页浏览型号AD5322的Datasheet PDF文件第3页浏览型号AD5322的Datasheet PDF文件第4页浏览型号AD5322的Datasheet PDF文件第5页浏览型号AD5322的Datasheet PDF文件第6页浏览型号AD5322的Datasheet PDF文件第7页 
+2.5 V to +5.5 V, 230 A Dual Rail-to-Rail,  
a
Voltage Output 8-/10-/12-Bit DACs  
AD5302/AD5312/AD5322*  
FEATURES  
GENERAL DESCRIPTION  
AD5302: Two 8-Bit Buffered DACs in One Package  
AD5312: Two 10-Bit Buffered DACs in One Package  
AD5322: Two 12-Bit Buffered DACs in One Package  
10-Lead SOIC Package  
Micropower Operation: 300 A @ 5 V (Including  
Reference Current)  
Power-Down to 200 nA @ 5 V, 50 nA @ 3 V  
+2.5 V to +5.5 V Power Supply  
Double-Buffered Input Logic  
The AD5302/AD5312/AD5322 are dual 8-, 10- and 12-bit buff-  
ered voltage output DACs in a 10-lead µSOIC package that  
operate from a single +2.5 V to +5.5 V supply consuming  
230 µA at 3 V. Their on-chip output amplifiers allow the outputs  
to swing rail-to-rail with a slew rate of 0.7 V/µs. The AD5302/  
AD5312/AD5322 utilize a versatile 3-wire serial interface which  
operates at clock rates up to 30 MHz and is compatible with  
standard SPI™, QSPI™, MICROWIRE™ and DSP interface  
standards.  
Guaranteed Monotonic By Design Over All Codes  
Buffered/Unbuffered Reference Input Options  
0–VREF Output Voltage  
The references for the two DACs are derived from two reference  
pins (one per DAC). The reference inputs may be configured as  
buffered or unbuffered inputs. The outputs of both DACs may  
be updated simultaneously using the asynchronous LDAC in-  
put. The parts incorporate a power-on-reset circuit that ensures  
that the DAC outputs power-up to 0 V and remain there until a  
valid write takes place to the device. The parts contain a power-  
down feature that reduces the current consumption of the  
devices to 200 nA at 5 V (50 nA at 3 V) and provides software-  
selectable output loads while in power-down mode.  
Power-On-Reset to Zero Volts  
Simultaneous Update of DAC Outputs via LDAC  
Low Power Serial Interface with Schmitt-Triggered  
Inputs  
On-Chip Rail-to-Rail Output Buffer Amplifiers  
APPLICATIONS  
Portable Battery-Powered Instruments  
Digital Gain and Offset Adjustment  
Programmable Voltage and Current Sources  
Programmable Attenuators  
The low power consumption of these parts in normal operation  
make them ideally suited to portable battery operated equip-  
ment. The power consumption is 1.5 mW at 5 V, 0.7 mW at  
3 V, reducing to 1 µW in power-down mode.  
FUNCTIONAL BLOCK DIAGRAM  
V
V
A
DD  
REF  
POWER-ON  
RESET  
AD5302/AD5312/AD5322  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC  
V
A
BUFFER  
OUT  
SYNC  
SCLK  
DIN  
INTERFACE  
LOGIC  
RESISTOR  
NETWORK  
POWER-DOWN  
LOGIC  
INPUT  
REGISTER  
DAC  
REGISTER  
STRING  
DAC  
BUFFER  
V
B
OUT  
RESISTOR  
NETWORK  
V
B
GND  
LDAC  
REF  
*Patent Pending; protected by U.S. Patent No. 5684481.  
SPI and QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corporation.  
REV. 0  
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., 1999  

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