Rev 0; 8/03
Nonvolatile, 32-Position Digital Potentiometer
General Description
The DS4301 is a single 32-position linear digital poten-
tiometer with 200k鈩?end-to-end resistance. The wiper
setting is stored in EEPROM, so the DS4301 powers up
with the last stored setting. The position of the wiper is
controlled through a simple three-terminal
increment/decrement interface. The DS4301 is ideal for
white LED backlight brightness control. Its 8-pin 碌SOP
package, 2.4V to 5.5V supply range, and 200k鈩?end-
to-end resistance are especially suited for portable,
battery-powered applications such as cellular tele-
phones and PDAs.
Features
鈾?/div>
Single, 32-Position, 200k鈩?Linear Nonvolatile (NV)
Potentiometer Ideal for Battery-Powered
Applications
鈾?/div>
Three-Terminal Increment/Decrement Interface to
Adjust Wiper Position
鈾?/div>
Wide Voltage Supply Range (2.4V to 5.5V)
鈾?/div>
Command-Initiated NV Wiper Storage
鈾?/div>
Operates Over the Industrial Temperature Range
(-40擄C to +85擄C)
鈾?/div>
Available in 8-Pin 碌SOP
DS4301
Applications
White LED Backlight Brightness Control
Portable Battery-Powered Devices such as PDAs
and Cellular Phones
Any Application that Requires a Small, Low-Cost
NV Potentiometer
TOP VIEW
INC
U/D
H
GND
1
2
3
4
Ordering Information
PART
DS4301U-200
TEMP RANGE
-40擄C to +85擄C
PIN-PACKAGE
8 碌SOP (118 mil)
Pin Configuration
8
7
V
CC
CS
L
W
DS4301
6
5
碌SOP
Typical Operating Circuit
V
CC
V
CC
V
CC
H
V
REF
1碌F
V
CC
10碌H
10碌F
MBR0540
1碌F
0.1碌F
DS4301
CONTROL
INTERFACE
CS
INC
U/D
W
V
CC
ADJ
WHITE LED
CURRENT
REGULATOR
GND
EXT
CS
FB
R
FB
WHITE
LEDs
L
GND
PGND
______________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
DS4301U-200 產(chǎn)品屬性
Lead (SnPb) Finish for COTSObsolescence Mitigation Program
50
集成電路 (IC)
數(shù)據(jù)采集 - 數(shù)字電位器
-
32
200k
1
標(biāo)準(zhǔn)值 ±250 ppm/°C
非易失
3 線（芯片選擇，遞增，增/減）
2.4 V ~ 5.5 V
-40°C ~ 85°C
表面貼裝
8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
8-uMAX
管件
DS4301U-200相關(guān)型號PDF文件下載
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