DS1804X-010 Dallas Semiconductor, DS1804X-010 Datasheet

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DS1804X-010

Manufacturer Part Number
DS1804X-010
Description
NV Trimmer Potentiometer
Manufacturer
Dallas Semiconductor
Datasheet
FEATURES
PIN DESCIPTION
H
L
W
V
U/
GND
DESCRIPTION
The DS1804 NV Trimmer Potentiometer is a nonvolatile digital potentiometer having 100 positions. The
device provides an ideal method for low-cost trimming applications using a CPU or manual control input
with minimal external circuitry. Wiper position of the DS1804 can be stored in EEPROM memory on
demand. The device’s wiper position is manipulated by a 3-terminal port that provides an increment/
decrement counter controlled interface. This port consists of the control inputs
DS1804 is available in three resistor grades, which include a 10 k , 50 k , and 100 k . The device is
provided in an industrial temperature grade. Additionally, the DS1804 will operate from 3V or 5V
supplies and is ideal for portable application requirements. Three packaging options are available and
include the 8-pin (300-mil) DIP, 8-pin (150-mil) SOIC, 8-pin (118-mil) uSOP, and the Flip Chip
Package.
www.dalsemi.com
CS
INC
CC
D
Single 100-position taper potentiometer
Nonvolatile “on-demand” wiper storage
Operates from 3V or 5V supplies
Up/down, increment-controlled interface
Available in 8-pin (300-mil) DIP, 8-pin
(150-mil) SOIC, 8-pin (118-mil) µSOP, and
Flip Chip packages
Operating Temperature:
– Industrial:
Standard Resistance Values:
– DS1804-010 10 k
– DS1804-050 50 k
– DS1804-100 100 k
- High-Terminal of Potentiometer
- Low-Terminal of Potentiometer
- Wiper of Potentiometer
- 3V or 5V Power Supply
- Chip Select
- Up/Down Control
- Increment/Decrement Wiper Control
- Ground
-40ºC to +85ºC
1 of 7
PIN ASSIGNMENT
NV Trimmer Potentiometer
GND
INC
U/D
See Mech. Drawings Section
H
8-Pin Flip Chip Package
8-Pin uSOP (118-mil)
8-Pin SOIC (150-mil)
8-Pin DIP (300-mil)
1
2
3
4
CS
,
8
7
6
5
INC
V
CS
L
W
, and U/
CC
DS1804
102699
D
. The

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DS1804X-010 Summary of contents

Page 1

FEATURES Single 100-position taper potentiometer Nonvolatile “on-demand” wiper storage Operates from supplies Up/down, increment-controlled interface Available in 8-pin (300-mil) DIP, 8-pin (150-mil) SOIC, 8-pin (118-mil) µSOP, and Flip Chip packages Operating Temperature: – Industrial: -40ºC to ...

Page 2

OPERATION The DS1804 is a single nonvolatile potentiometer. The device has a total of 100 tap-points including the L- and H- terminals. A total of 99 resistive segments exist between the L- and H- terminals. These tap- points are accessible ...

Page 3

... On power-down, the wiper position register data will be lost. On the next device power-up, the value of EEPROM memory will be loaded into the wiper position register. On shipment from the factory, Dallas Semiconductor does not guarantee a specified EEPROM memory value. This value should be set by the customer as needed. ...

Page 4

... Insert A (Burn-in Disclaimer) The Dallas Semiconductor DS1804 is built to the highest quality standards and manufactured for long term reliability. All Dallas Semiconductor devices are made using the same quality materials and manufacturing methods. However, the Flip Chip Package version of the DS1804 is not exposed to environmental stresses, such as burn-in, that some industrial applications require ...

Page 5

ANALOG RESISTOR CHARACTERISTICS PARAMETER End-to-End Resistor Tolerance Absolute Linearity Relative Linearity -3 dB Cutoff Frequency Temperature Coefficient CAPACITANCE PARAMETER Input Capacitance Output Capacitance AC ELECTRICAL CHARACTERISTICS PARAMETER to Setup CS INC U/ to Setup D INC Low Period INC High ...

Page 6

NOTES: 1. All voltages are referenced to ground. 2. Valid for only Resistor input voltages cannot go below ground or exceed V 4. Maximum current specifications are based on the clock rate of represents the ...

Page 7

... DS1804Z-010 8L SOIC (150-MIL) DS1804Z-050 8L SOIC (150-MIL) DS1804Z-100 8L SOIC (150 MIL) DS1804u-010 8L µSOP (118-MIL) DS1804u-050 8L DS1804u-100 8L DS1804X-010 8L FCP (118-MIL) DS1804X-050 8L FCP (118-MIL) DS1804X-100 8L FCP (118-MIL) 3-TERMINAL INTERFACE TIMING DIAGRAM Figure 2 OPERATING PACKAGE TEMPERATURE -40°C TO +85°C -40°C TO +85°C -40°C TO +85°C -40° ...

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