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AD5321BRT PDF预览

AD5321BRT

更新时间: 2024-02-02 03:34:05
品牌 Logo 应用领域
亚德诺 - ADI 转换器数模转换器光电二极管
页数 文件大小 规格书
15页 181K
描述
+2.5 V to +5.5 V, 120 uA, 2-Wire Interface, Voltage Output 8-/10-/12-Bit DACs

AD5321BRT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:LSSOP, TSOP6,.11,37针数:6
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.36
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:R-PDSO-G6
JESD-609代码:e4长度:2.9 mm
最大线性误差 (EL):0.3906%湿度敏感等级:1
位数:12功能数量:1
端子数量:6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:LSSOP封装等效代码:TSOP6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:1.45 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:0.225 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:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:1.6 mm
Base Number Matches:1

AD5321BRT 数据手册

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+2.5 V to +5.5 V, 120 A, 2-Wire Interface,  
a
Voltage Output 8-/10-/12-Bit DACs  
AD5301/AD5311/AD5321*  
GENERAL DESCRIPTION  
FEATURES  
The AD5301/AD5311/AD5321 are single 8-, 10- and 12-bit  
buffered voltage-output DACs that operate from a single +2.5 V  
to +5.5 V supply consuming 120 µA at 3 V. The on-chip output  
amplifier allows rail-to-rail output swing with a slew rate of  
0.7 V/µs. It uses a 2-wire (I2C compatible) serial interface that  
operates at clock rates up to 400 kHz. Multiple devices can  
share the same bus.  
AD5301: Buffered Voltage Output 8-Bit DAC  
AD5311: Buffered Voltage Output 10-Bit DAC  
AD5321: Buffered Voltage Output 12-Bit DAC  
6-Lead SOT-23 and 8-Lead SOIC Packages  
Micropower Operation: 120 A @ 3 V  
2-Wire (I2C® Compatible) Serial Interface  
Data Readback Capability  
+2.5 V to +5.5 V Power Supply  
Guaranteed Monotonic By Design Over All Codes  
Power-Down to 50 nA @ 3 V  
Reference Derived from Power Supply  
Power-On-Reset to Zero Volts  
On-Chip Rail-to-Rail Output Buffer Amplifier  
Three Power-Down Functions  
The reference for the DAC is derived from the power supply  
inputs and thus gives the widest dynamic output range. These  
parts incorporate a power-on-reset circuit, which ensures that  
the DAC output powers-up to zero volts and remains there until  
a valid write takes place. The parts contain a power-down feature  
which reduces the current consumption of the device to 50 nA  
at 3 V and provides software-selectable output loads while in  
power-down mode.  
APPLICATIONS  
Portable Battery Powered Instruments  
Digital Gain and Offset Adjustment  
Programmable Voltage and Current Sources  
Programmable Attenuators  
The low power consumption in normal operation make these  
DACs ideally suited to portable battery-operated equipment.  
The power consumption is 0.75 mW at 5 V, 0.36 mW at 3 V  
reducing to 1 µW in all power-down modes.  
FUNCTIONAL BLOCK DIAGRAM  
V
DD  
AD5301/AD5311/AD5321  
REF  
SCL  
SDA  
INTERFACE  
LOGIC  
DAC  
REGISTER  
8-/10-/12-BIT  
DAC  
V
BUFFER  
OUT  
A0  
POWER-DOWN  
LOGIC  
A1*  
RESISTOR  
NETWORK  
POWER-ON  
RESET  
GND  
PD*  
*AVAILABLE ON 8-LEAD VERSION ONLY  
I2C is a registered trademark of Philips Corporation.  
*Protected by U.S. Patent No. 5684481, other patent pending.  
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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