DS1805 MAXIM [Maxim Integrated Products], DS1805 Datasheet

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DS1805

Manufacturer Part Number
DS1805
Description
Addressable Digital Potentiometer
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet

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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.
XX-XXXX; Rev 0; 4/02
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.
GND
TOP VIEW
W1
H1
A2
A1
A0
L1
1
2
3
4
5
6
7
CCFL Inverters
PDAs and Cell Phones
Portable Electronics
Multimedia Products
Instrumentation and Industrial Controls
14 TSSOP (173mil)
DS1805E
14
13
12
11
10
9
8
General Description
V
N.C.
N.C.
N.C.
N.C.
SDA
SCL
CC
Pin Configurations
GND
N.C.
W1
H1
L1
A2
A1
A0
Addressable Digital Potentiometer
1
2
3
4
5
6
7
8
Applications
16 SO (150mil)
______________________________________________ Maxim Integrated Products
DS1805Z
16
15
14
13
12
11
10
9
V
N.C.
N.C.
N.C.
N.C.
N.C.
SDA
SCL
CC
♦ 3V or 5V Operation
♦ Low Power Consumption
♦ One Digitally Controlled, 256-Position
♦ Compatible with DS1803-Based Designs
♦ 14-Pin TSSOP (173mil) and 16-Pin SO (150mil)
♦ Three Address Inputs
♦ Serial 2-Wire Bus
♦ Operating Temperature Range
♦ Standard Resistance Values
Add “/T&R” for tape-and-reel orders.
*Future product.
DS1805E-010
DS1805E-050*
DS1805E-100*
DS1805Z-010
DS1805Z-050*
DS1805Z-100*
Potentiometer
Available for Surface-Mount Applications
DS1805-010: 10kΩ
DS1805-050*: 50kΩ
DS1805-100*: 100kΩ
PART
Industrial: -40°C to +85°C
TEM P RANGE
-40°C to +85°C 14 TSSOP (173mil)
-40°C to +85°C 14 TSSOP (173mil)
-40°C to +85°C 14 TSSOP (173mil)
-40°C to +85°C 16 SO (150mil)
-40°C to +85°C 16 SO (150mil)
-40°C to +85°C 16 SO (150mil)
Ordering Information
PIN- PACKAGE
Features
RESISTANCE
( KΩ)
100
100
10
50
10
50
1

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