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MAX5529

更新时间： 2024-11-12 05:49:07
品牌 Logo 应用领域
美信 - MAXIM 电位器
页数 文件大小 规格书
12页 213K
描述
One-Time Programmable, Linear-Taper Digital Potentiometers

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MAX5529 数据手册

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19-3665; Rev 1; 7/09  
One-Time Programmable, Linear-Taper Digital  
Potentiometers  
78/MAX529  
General Description  
Features  
♦ Wiper Position Stored After One-Time Fuse  
The MAX5527/MAX5528/MAX5529 linear-taper digital  
potentiometers perform the same function as mechanical  
potentiometers, replacing the mechanics with a simple  
2-wire up/down digital interface. These digital poten-  
tiometers provide an optional one-time programmable  
feature that sets the power-on reset position of the wiper.  
Once the wiper position is programmed, the 2-wire inter-  
face can be disabled to prevent unwanted adjustment.  
Programming  
♦ 64 Tap Positions  
♦ Wiper Position Programmed Through Simple  
2-Wire Up/Down Interface  
♦ 35ppm/°C End-to-End Temperature Coefficient  
♦ 5ppm/°C Ratiometric Temperature Coefficient  
♦ Ultra-Low 1.5μA (max) Static Supply Current  
♦ +2.7V to +5.5V Single-Supply Operation  
♦ 10kΩ, 50kΩ, and 100kΩ End-to-End Resistances  
♦ Tiny, 3mm x 3mm, 8-Pin TDFN and 5mm x 3mm,  
The MAX5527/MAX5528/MAX5529 provide an end-to-end  
resistance of 100kΩ, 50kΩ, and 10kΩ, respectively. The  
devices feature low temperature coefficients of 35ppm/°C  
end-to-end and 5ppm/°C ratiometric. All devices offer 64  
wiper positions and operate from a single +2.7V to +5.5V  
supply. An ultra-low, 0.25µA (typ) standby supply current  
saves power in battery-operated applications.  
8-Pin µMAX Packages  
Ordering Information  
The MAX5527/MAX5528/MAX5529 are available in  
3mm x 3mm, 8-pin TDFN and 5mm x 3mm, 8-pin  
µMAX® packages. Each device is guaranteed over the  
-40°C to +105°C temperature range.  
RESISTANCE  
TOP  
PART  
PIN-PACKAGE  
(kΩ)  
MARK  
MAX5527GTA+ 8 TDFN-EP*  
MAX5527GUA+ 8 µMAX  
MAX5528GTA+ 8 TDFN-EP*  
MAX5528GUA+ 8 µMAX  
MAX5529GTA+ 8 TDFN-EP*  
MAX5529GUA+ 8 µMAX  
100  
100  
50  
AOG  
—
Applications  
Products Using One-Time Factory Calibration  
AOH  
—
50  
Mechanical Potentiometer Replacements  
10  
AOI  
—
Pin Configurations  
10  
TOP VIEW  
+Denotes a lead(Pb)-free/RoHs-compliant package.  
*EP = Exposed pad.  
1
2
8
W
H
Note: All devices are specified over the -40°C to +85°C operat-  
ing temperature range.  
CS  
L
7
MAX5527  
MAX5528  
MAX5529  
V
DD  
Functional Diagram  
3
4
6
5
U/D  
H
GND  
PV  
S
S
63  
62  
μMAX  
R
R
62  
61  
MAX5527  
MAX5528  
MAX5529  
V
DD  
8
7
6
5
GND  
CS  
S
S
R
61  
2
W
UP/DOWN  
COUNTER  
64-  
POSITION  
DECODER  
U/D  
W
MAX5527  
MAX5528  
MAX5529  
ONE-TIME  
PROGRAM  
BLOCK  
R
R
1
0
PV  
S
S
1
0
1
2
3
4
TDFN*  
*EXPOSED PADDLE. CONNECT TO GND.  
L
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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