MAX5161LEZT+T

更新时间:2024-09-18 18:01:35
品牌:MAXIM
描述:Digital Potentiometer, 1 Func, 50000ohm, Increment/decrement Control Interface, 32 Positions, PDSO6, SOT-23, 6 PIN

MAX5161LEZT+T 概述

Digital Potentiometer, 1 Func, 50000ohm, Increment/decrement Control Interface, 32 Positions, PDSO6, SOT-23, 6 PIN 数字电位器 数字电位计

MAX5161LEZT+T 规格参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOT-23
包装说明:TSSOP, TSOP6,.11,37针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.11
控制接口:INCREMENT/DECREMENT转换器类型:DIGITAL POTENTIOMETER
JESD-30 代码:R-PDSO-G6JESD-609代码:e3
长度:2.9 mm湿度敏感等级:1
功能数量:1位置数:32
端子数量:6最高工作温度:85 °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:TSOP6,.11,37
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:3/5 V
认证状态:Not Qualified电阻定律:LINEAR
最大电阻容差:25%最大电阻器端电压:5 V
最小电阻器端电压:座面最大高度:1.1 mm
子类别:Digital Potentiometers标称供电电压:5 V
表面贴装:YES标称温度系数:50 ppm/°C
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
标称总电阻:50000 Ω宽度:1.6 mm
Base Number Matches:1

MAX5161LEZT+T 数据手册

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19-1435; Rev 2a; 2/01  
Low-Power Digital Potentiometers  
General Description  
Features  
The MAX5160/MAX5161 linear-taper digital potentiome-  
ters perform the same function as a mechanical poten-  
tiometer or a variable resistor. They consist of a fixed  
resistor and a wiper contact with 32 tap points that are  
digitally controlled by three lines for the 8-pin MAX5160  
or by two lines for the 6-pin MAX5161.  
o 32 Tap Positions  
o 50k, 100k, and 200kResistance Values  
o 400Wiper Resistance  
o
25% Resistance Tolerance  
o 3-Wire Serial Data Input  
These parts are ideal for applications requiring digitally  
controlled resistors. Three resistance values are avail-  
able for each part type: 50k, 100k, and 200k. A  
nominal resistor temperature coefficient of 50ppm/°C  
end-to-end and only 5ppm/°C ratiometric makes the  
MAX5160 ideal for applications requiring a low-temper-  
ature-coefficient variable resistor, such as low-tempco,  
adjustable-gain circuit configurations.  
o
o
1LSB DNL  
0.5LSB INL  
o 100nA Supply Current  
o +2.7V to +5.5V Single-Supply Operation  
o Power-On Reset: Wiper Goes to Midscale  
The MAX5160 is available in an 8-pin µMAX package,  
and the MAX5161 is available in a 6-pin SOT23 pack-  
age. Both devices are guaranteed over the extended-  
industrial temperature range (-40°C to +85°C).  
(position 16)  
o
2kV ESD Protection  
o Small-Footprint Packages  
6-Pin SOT23 (MAX5161)  
8-Pin µMAX (MAX5160)  
Applications  
LCD Screen Adjustment  
Volume Control  
o Glitchless Switching Between the Resistor Taps  
Mechanical Potentiometer Replacement  
Ordering Information  
PIN-  
PACKAGE  
R
(k)  
Selector Guide  
PART  
TEMP. RANGE  
R
(k)  
TOP  
MARK  
MAX5160NEUA  
MAX5160MEUA  
MAX5160LEUA  
MAX5161NEZT  
MAX5161MEZT  
MAX5161LEZT  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
8 µMAX  
8 µMAX  
8 µMAX  
6 SOT23  
6 SOT23  
6 SOT23  
200  
100  
50  
PART  
MAX5160NEUA  
MAX5160MEUA  
MAX5160LEUA  
MAX5161NEZT  
MAX5161MEZT  
MAX5161LEZT  
200  
100  
50  
200  
100  
50  
AAAC  
AAAB  
AAAA  
200  
100  
50  
Functional Diagram  
H
Pin Configurations  
V
DD  
TOP VIEW  
MAX5160  
MAX5161  
GND  
L
H
1
2
3
6
5
4
V
DD  
INC  
U/D  
H
1
2
3
4
8
7
6
5
V
DD  
CS  
INC  
U/D  
MAX5161  
CS  
L
UP/DN  
COUNTER  
POSITION  
DECODER  
W
INC  
U/D  
MAX5160  
GND  
W
GND  
µMAX  
L
SOT23-6  
________________________________________________________________Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
Low-Power Digital Potentiometers  
ABSOLUTE MAXIMUM RATINGS  
DD  
V
to GND..............................................................-0.3V to +6V  
Continuous Power Dissipation (T = +70°C)  
A
CS, INC, U/D to GND ...............................................-0.3V to +6V  
H, L, W to GND.......................................... -0.3V to (V + 0.3V)  
Input and Output Latchup Immunity .............................. 200mA  
Maximum Continuous Current into H, L, and W  
MAX516_ _ E_ _............................................................... 1mA  
6-Pin SOT23 (derate 6.25mW/°C above +70°C)...........500mW  
8-Pin µMAX (derate 4.1mW/°C above +70°C)..............330mW  
Operating Temperature Range .......................... -40°C to +85°C  
Storage Temperature Range.............................-65°C to +150°C  
Lead Temperature (soldering, 10s) ................................+300° C  
DD  
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional  
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to  
absolute maximum rating conditions for extended periods may affect device reliability.  
ELECTRICAL CHARACTERISTICS  
(V  
= +2.7V to +5.5V, V = V , V = 0, T = T  
to T  
. Typical values are at V = +5V, T = +25°C, unless otherwise noted.)  
DD A  
DD  
H
DD  
L
A
MIN  
MAX  
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
DC PERFORMANCE  
Resolution  
3
%
LSB  
Integral Nonlinearity (Note 1)  
INL  
1/2  
1
Differential Nonlinearity (Note 1)  
End-to-End Resistor Tempco  
Ratiometric Resistor Tempco  
Full-Scale Error  
DNL  
LSB  
TC  
50  
5
ppm/°C  
ppm/°C  
LSB  
R
-0.1  
+0.1  
1700  
Zero-Scale Error  
LSB  
Wiper Resistance  
R
C
400  
10  
pF  
W
Wiper Capacitance  
W
MAX516_NE_ _  
MAX516_ME_ _  
MAX516_LE_ _  
150  
75  
200  
100  
50  
250  
125  
62.5  
End-to-End Resistance  
HL  
kΩ  
37.5  
DIGITAL INPUTS  
Input High Voltage  
Input Low Voltage  
Input Leakage Current  
Input Capacitance  
0.7 V  
V
V
V
DD  
IH  
0.3 V  
DD  
V
IL  
1
µA  
pF  
5
TIMING CHARACTERISTICS (Figure 6)  
t
t
25  
0
ns  
ns  
CS to INC Setup Time  
CS to INC Hold Time  
INC Low Period  
CI  
IC  
t
25  
25  
0
ns  
IL  
IH  
ID  
DI  
t
t
t
ns  
INC High Period  
U/D to INC Hold  
ns  
50  
ns  
U/D to INC Setup  
Wiper-Settling Time  
INC Frequency  
t
IW  
1
µs  
f
7
MHz  
IMAX  
POWER SUPPLIES  
Supply Voltage  
V
2.7  
5.5  
10  
V
DD  
V
V
= +5V  
= +2.7V  
0.6  
135  
µA  
nA  
CS = INC = U/D =  
DD  
Supply Current  
I
DD  
V
DD  
or GND  
DD  
Note 1: For the MAX5160, linearity is defined in terms of H to L code-dependent resistance.  
_______________________________________________________________________________________  
2
Low-Power Digital Potentiometers  
Typical Operating Characteristics  
(V  
= +5V, T = +25°C, unless otherwise noted.)  
DD  
A
WIPER RESISTANCE  
vs. WIPER VOLTAGE  
END-TO-END RESISTANCE % CHANGE  
vs. TEMPERATURE  
1,000  
800  
600  
400  
200  
0
0.06  
0.04  
50k  
R
= 574.0804  
WMAX  
200kΩ  
0.02  
100kΩ  
0
V
DD  
= +2.7V  
100kΩ  
200kΩ  
-0.02  
-0.04  
-0.06  
-0.08  
-0.10  
-0.12  
-0.14  
-0.16  
50kΩ  
V
DD  
= +5V  
0
1
2
3
4
5
-40-30 -20 -10 0 10 20 30 40 50 60 70 80 90  
WIPER VOLTAGE (V)  
TEMPERATURE (°C)  
END-TO-END RESISTANCE  
vs. TAP POSITION  
END-TO-END RESISTANCE  
vs. TAP POSITION  
225  
200  
175  
150  
125  
100  
75  
110  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
200kΩ  
100kΩ  
50  
25  
0
1
5
9
13 17 21 25 29 33  
TAP POSITION  
1
5
9
13 17 21 25 29 33  
TAP POSITION  
END-TO-END RESISTANCE  
vs. TAP POSITION  
50  
50kΩ  
45  
40  
35  
30  
25  
20  
15  
10  
5
0
1
5
9
13 17 21 25 29 33  
TAP POSITION  
_______________________________________________________________________________________  
3
Low-Power Digital Potentiometers  
Typical Operating Characteristics (continued)  
(V  
= +5V, T = +25°C, unless otherwise noted.)  
DD  
A
SUPPLY CURRENT vs. TEMPERATURE  
TAP-TO-TAP SWITCHING TRANSIENT  
0.9  
0.8  
0.7  
0.6  
OUTPUT  
W
50mV/div  
V
DD  
= +5V  
0.5  
0.4  
0.3  
0.2  
0.1  
0
0V  
0V  
INC  
2V/div  
V
= +2.7V  
DD  
5µs/div  
-40 -20  
0
20  
40  
60  
80 100  
TEMPERATURE (°C)  
Pin Description  
PIN  
NAME  
FUNCTION  
MAX5160  
MAX5161  
Wiper Increment Control Input. With CS low, a high-to-low transition increments  
(U/D high) or decrements (U/D low) the wiper position.  
1
5
INC  
Up/Down Control Input. With CS low, a high-to-low INC transition increments  
(U/D high) or decrements (U/D low) the wiper position.  
2
4
U/D  
3
4
5
6
7
8
2
3
H
GND  
W
High Terminal of Resistor  
Ground  
1
Wiper Terminal of Resistor  
L
Low Terminal of Resistor  
6
CS  
Chip-Select Input. Drive low to change the wiper position through INC and U/D.  
V
DD  
Power Supply  
4
_______________________________________________________________________________________  
Low-Power Digital Potentiometers  
a variable resistor (a potentiometer with the wiper and  
one end terminal shorted together).  
Detailed Description  
The MAX5160/MAX5161 consist of resistor arrays with  
thirty-one resistive elements. Thirty-two tap points are  
accessible to the wiper along the resistor string  
between H and L. Logic inputs CS, U/D, and INC  
determine the position of the wiper. With CS low and  
U/D high, a high-to-low transition on INC increments the  
internal counter, increasing the resistance between W  
and L. When both CS and U/D are low, a high-to-low  
INC transition decrements the internal counter, decreas-  
ing the resistance between W and L. At either end  
(maximum or minimum positions), additional transitions in  
the direction of the end points will not change the counter  
value (the counter will not wrap around).  
The MAX5160/MAX5161 feature power-on reset circuit-  
ry that sets the wiper position to midscale at power-up.  
Applications Information  
The MAX5160/MAX5161 are intended for circuits  
requiring digitally controlled adjustable voltage or  
adjustable gain, such as LCD contrast control, where  
voltage biasing adjusts the display contrast.  
Controlling a Switch-Mode  
LCD Bias Generator  
Figure 1 shows an application where the MAX5161 is  
used with a MAX1771 to make an adjustable positive  
LCD-bias circuit. The output of the MAX1771 is a posi-  
tive voltage that is digitally controlled through the  
MAX5160/MAX5161. Similarly, Figure 2 shows the  
application of the MAX5161 in a digitally controlled  
negative LCD-bias circuit along with the MAX774/  
MAX775/MAX776.  
The H and L terminals of the MAX5160 are similar to the  
two end terminals of a mechanical potentiometer. The  
tap W is equivalent to the variable tap (wiper) of the  
potentiometer.  
The MAX5161 is similar to the MAX5160 except that CS  
internally connects to ground and the wiper terminal (W)  
is shorted to the high terminal (H). The MAX5161 acts as  
V
IN  
= 5V  
V
IN  
C1  
C2  
C1  
150µF  
C2  
5
1
3
2
68µF  
0.1µF  
0.1µF  
OUT  
V+  
2
R3  
L1  
V+  
R2  
0.07Ω  
22µH  
MAX774  
MAX775  
MAX776  
SHDN  
V
= 12V  
AT 0.5A  
D1  
OUT  
5
4
6
REF  
6
7
1N5817-22  
CS  
Q1  
Si9435  
P
C3  
0.1µF  
MAX5161  
C4  
300µF  
MAX1771  
1
8
FB  
EXT  
SHDN  
AGND  
EXT  
CS  
FB  
N
V
OUT  
R
VAR  
MTD20N03HDL  
1N5822/  
MBR340  
4
R1  
R
SENSE  
40mΩ  
L1  
22µH  
REF  
C4*  
R2  
C5  
GND  
8
3
C3  
GND  
7
0.1µF  
R
VAR  
MAX5161  
* MAX774 = 330µF, 10V  
MAX775, MAX776 = 120µF, 20V  
R1  
V
V
R2  
R1  
V
R2  
R1 + R  
VAR  
OUT(MAX)  
OUT(MIN)  
V
REF  
= 1.5V  
=
,
=
V
REF  
V
REF  
V
V
R2  
R1  
OUT(MAX)  
=
=
+ 1  
- V  
FB  
REF  
V
REF  
5µA (FOR 2% GAIN-SETTING ACCURACY)  
R1 + R  
VAR  
R2  
OUT(MIN)  
+ 1  
(
)
V
REF  
R1 + R  
VAR(MAX)  
Figure 1. Adjustable Positive LCD Bias  
Figure 2. Adjustable Negative LCD Bias  
_______________________________________________________________________________________  
5
Low-Power Digital Potentiometers  
Alternative Positive  
Adjustable Gain  
Figure 5 shows how to use the MAX5161 to digitally  
adjust the gain of a noninverting op amp configuration.  
Connect the MAX5161 in series with a resistor to ground  
to form the adjustable gain control of a noninverting  
amplifier. The MAX5160/MAX5161 have a low 5ppm/°C  
ratiometric tempco that allows for a very stable adjust-  
able gain configuration over temperature.  
LCD Bias Control  
Alternatively, use an op amp to provide buffering and  
gain to the output of the MAX5160/MAX5161. Connect  
the MAX5160 to the positive input of a noninverting op  
amp (Figure 3) to select a portion of the input signal by  
digitally controlling the wiper terminal. Figure 4 shows a  
similar circuit for the MAX5161.  
Serial Interface  
Figure 6 is the serial-interface timing diagram.  
+5V  
+5V  
+5V  
+5V  
MAX5161  
H
MAX5160  
H
INC  
U/D  
30V  
30V  
V
DD  
INC  
U/D  
CS  
W
V
GND  
DD  
V
OUT  
V
OUT  
GND  
L
L
GAIN 6  
GAIN 6  
Figure 3. MAX5160 Positive LCD Bias Control  
Figure 4. MAX5161 Positive LCD Bias Control  
V
CC  
V
CC  
V
IN  
V
IN  
V
OUT  
V
OUT  
+5V  
H
INC  
U/D  
W
L
H
MAX5161  
V
DD  
GND  
L
MAX5160  
a)  
b)  
Figure 5. Adjustable Gain Circuit: a) MAX5161; b) MAX5160  
_______________________________________________________________________________________  
6
Low-Power Digital Potentiometers  
CS  
t
CI  
t
IC  
IH  
t
IL  
INC  
t
t
DI  
U/D  
t
t
ID  
IW  
W
Figure 6. Serial-Interface Timing Diagram  
Chip Information  
Truth Table  
R
CS  
U/D  
INC  
W
TRANSISTOR COUNT: 969  
H
L
L
L
L
xx-X  
L
X
O
O
O
+
H
L
H
X = Don’t care  
O = Previous state  
+ = Increment  
= Decrement  
= High-to-Low Transition  
= Low-to-High Transition  
_______________________________________________________________________________________  
7
Low-Power Digital Potentiometers  
Package Information  
8
_______________________________________________________________________________________  
Low-Power Digital Potentiometers  
Package Information (continued)  
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are  
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.  
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________9  
© 2001 Maxim Integrated Products  
Printed USA  
is a registered trademark of Maxim Integrated Products.  

MAX5161LEZT+T CAD模型

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  • MAX5161LEZT+T 替代型号

    型号 制造商 描述 替代类型 文档
    MAX5161LEZT-T MAXIM Digital Potentiometer, 1 Func, 50000ohm, Increment/decrement Control Interface, 32 Positio 完全替代
    MAX5161LEZT MAXIM DIGITAL POTENTIOMETER|TSOP|6PIN|PLASTIC 功能相似

    MAX5161LEZT+T 相关器件

    型号 制造商 描述 价格 文档
    MAX5161LEZT+TG071 MAXIM Digital Potentiometer, 获取价格
    MAX5161LEZT-T MAXIM Digital Potentiometer, 1 Func, 50000ohm, Increment/decrement Control Interface, 32 Positions, PDSO6, SOT-23, 6 PIN 获取价格
    MAX5161MEUT MAXIM Low-Power Digital Potentiometers 获取价格
    MAX5161MEZT MAXIM DIGITAL POTENTIOMETER|TSOP|6PIN|PLASTIC 获取价格
    MAX5161MEZT+ MAXIM Digital Potentiometer, 1 Func, 100000ohm, Increment/decrement Control Interface, 32 Positions, PDSO6, SOT-23, 6 PIN 获取价格
    MAX5161MEZT+T MAXIM Digital Potentiometer, 1 Func, 100000ohm, Increment/decrement Control Interface, 32 Positions, PDSO6, SOT-23, 6 PIN 获取价格
    MAX5161MEZT-T MAXIM 暂无描述 获取价格
    MAX5161NEUT MAXIM Low-Power Digital Potentiometers 获取价格
    MAX5161NEZT MAXIM DIGITAL POTENTIOMETER|TSOP|6PIN|PLASTIC 获取价格
    MAX5161NEZT+T MAXIM Digital Potentiometer, 1 Func, 200000ohm, Increment/decrement Control Interface, 32 Positions, PDSO6, SOT-23, 6 PIN 获取价格

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