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AD5293BRUZ-20 PDF预览

AD5293BRUZ-20

更新时间: 2024-01-29 14:44:59
品牌 Logo 应用领域
亚德诺 - ADI 数字电位计
页数 文件大小 规格书
20页 687K
描述
Single-Channel, 1024-Position, 1% R-Tolerance Digital Potentiometer

AD5293BRUZ-20 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:1.72
其他特性:DEVICE SUPPORTS DUAL SUPPLY OPERATION标称带宽:0.52 kHz
控制接口:3-WIRE SERIAL转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G14JESD-609代码:e3
长度:5 mm湿度敏感等级:1
标称负供电电压:-15 V功能数量:1
位置数:1024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峰值回流温度(摄氏度):260
电源:+-10.5/+-16.5/21/33 V认证状态:Not Qualified
电阻定律:LINEAR最大电阻容差:1%
最大电阻器端电压:16.5 V最小电阻器端电压:-9 V
座面最大高度:1.2 mm子类别:Digital Potentiometers
标称供电电压:15 V表面贴装:YES
技术:CMOS标称温度系数:35 ppm/ °C
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处于峰值回流温度下的最长时间:40
标称总电阻:20000 Ω宽度:4.4 mm
Base Number Matches:1

AD5293BRUZ-20 数据手册

 浏览型号AD5293BRUZ-20的Datasheet PDF文件第14页浏览型号AD5293BRUZ-20的Datasheet PDF文件第15页浏览型号AD5293BRUZ-20的Datasheet PDF文件第16页浏览型号AD5293BRUZ-20的Datasheet PDF文件第17页浏览型号AD5293BRUZ-20的Datasheet PDF文件第19页浏览型号AD5293BRUZ-20的Datasheet PDF文件第20页 
AD5293  
APPLICATIONS INFORMATION  
HIGH VOLTAGE DAC  
HIGH ACCURACY DAC  
The AD5293 can be configured as a high voltage DAC, with output  
voltage as high as 33 V. The circuit is shown in Figure 38. The  
output is  
It is possible to configure the AD5293 as a high accuracy DAC  
by optimizing the resolution of the device over a specific reduced  
voltage range. This is achieved by placing external resistors on  
either side of the RDAC, as shown in Figure 40. The improved  
1% resistor tolerance specification greatly reduces errors that  
are associated with matching to discrete resistors.  
D
R2  
R1  
(4)  
× 1.2 V × 1+  
VOUT (D) =  
1024  
R3 + (D1024 × RAB )×VDD  
R1 + ((1024D)1024)× RAB + R3  
where D is the decimal code from 0 to 1023.  
(5)  
VOUT (D) =  
V
DD  
V
DD  
V
DD  
R
BIAS  
U2  
U1A  
R
1
U1  
V+  
AD5293  
D1  
AD8512  
V–  
AD5293  
V
DD  
U1B  
20k  
ADR512  
U2  
V+  
OP1177  
V–  
R
20k  
2
V
OUT  
B
V
AD8512  
±1%  
OUT  
B
R
2
R
R
3
1
Figure 40. Optimizing Resolution  
Figure 38. High Voltage DAC  
VARIABLE GAIN INSTRUMENTATION AMPLIFIER  
PROGRAMMABLE VOLTAGE SOURCE WITH  
BOOSTED OUTPUT  
The AD8221 in conjunction with the AD5293 and the  
ADG1207, as shown in Figure 41, make an excellent  
For applications that require high current adjustments, such as  
a laser diode or tunable laser, a boosted voltage source can be  
considered (see Figure 39).  
instrumentation amplifier for use in data acquisition systems.  
The data acquisition system is low distortion and low noise  
enable it to condition signals in front of a variety of ADCs.  
ADG1207  
U3 2N7002  
V
V
OUT  
IN  
V
DD  
U1  
AD5293  
R
+V  
BIAS  
I
C
IN1  
C
A
U2  
OP184  
W
L
V
+V  
–V  
OUT  
AD5293  
IN4  
IN1  
SIGNAL  
LD  
AD8221  
B
–V  
IN4  
Figure 39. Programmable Boosted Voltage Source  
V
SS  
Figure 41. Data Acquisition System  
In this circuit, the inverting input of the op amp forces VOUT to  
be equal to the wiper voltage set by the digital potentiometer.  
The load current is then delivered by the supply via the N-channel  
FET (U3). The N-channel FET power handling must be adequate  
The gain can be calculated by using Equation 6, as follows:  
49.4 kꢀ  
(6)  
G(D) =1+  
(D 1024) × RAB  
to dissipate (VIN − VOUT) × I  
L
power. This circuit can source a  
maximum of 100 mA with a 33 V supply.  
Rev. 0 | Page 18 of 20  
 
 
 
 
 

AD5293BRUZ-20 替代型号

型号 品牌 替代类型 描述 数据表
AD5293BRUZ-20-RL7 ADI

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Single-Channel, 1024-Position, 1% R-Tolerance Digital Potentiometer

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