DS1805 데이터 시트보기 (PDF) - Maxim Integrated
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DS1805 Datasheet PDF : 10 Pages
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Rev 1; 9/06
Addressable Digital Potentiometer
General Description
The DS1805 addressable digital potentiometer contains
a single 256-position digitally controlled potentiometer.
Device control is achieved through a 2-wire serial inter-
face. Device addressing is provided through three
address inputs that allow up to eight devices on a sin-
gle 2-wire bus. The exact wiper position of the poten-
tiometer can be written or read. The DS1805 is
available in 16-pin SO and 14-pin TSSOP packages.
The device is available in three standard resistance val-
ues: 10kΩ, 50kΩ, and 100kΩ. The DS1805 is specified
over the industrial temperature range. The DS1805
provides a low-cost alternative for designs based on
the DS1803, but require only a single potentiometer.
Applications
CCFL Inverters
PDAs and Cell Phones
Portable Electronics
Multimedia Products
Instrumentation and Industrial Controls
Features
o 3V or 5V Operation
o Low Power Consumption
o One Digitally Controlled, 256-Position
Potentiometer
o Compatible with DS1803-Based Designs
o 14-Pin TSSOP (173mil) and 16-Pin SO (150mil)
Available for Surface-Mount Applications
o Three Address Inputs
o Serial 2-Wire Bus
o Operating Temperature Range
Industrial: -40°C to +85°C
o Standard Resistance Values
DS1805-010: 10kΩ
DS1805-050*: 50kΩ
DS1805-100*: 100kΩ
TOP VIEW
Pin Configurations
H1 1
L1 2
W1 3
A2 4
A1 5
A0 6
GND 7
DS1805E
14 VCC
13 N.C.
12 N.C.
11 N.C.
10 N.C.
9 SDA
8 SCL
14 TSSOP (173mil)
H1 1
N.C. 2
L1 3
W1 4
A2 5
A1 6
A0 7
GND 8
DS1805Z
16 VCC
15 N.C.
14 N.C.
13 N.C.
12 N.C.
11 N.C.
10 SDA
9 SCL
16 SO (150mil)
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
RESISTANCE
( KΩ)
DS1805E-010 -40°C to +85°C 14 TSSOP (173mil)
10
DS1805E-050* -40°C to +85°C 14 TSSOP (173mil)
50
DS1805E-100* -40°C to +85°C 14 TSSOP (173mil)
100
DS1805Z-010 -40°C to +85°C 16 SO (150mil)
10
DS1805Z-050* -40°C to +85°C 16 SO (150mil)
50
DS1805Z-100* -40°C to +85°C 16 SO (150mil)
100
Add “/T&R” for tape-and-reel orders.
*Future product.
______________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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