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DS1855B-010

Description
Digital Potentiometer ICs DUAL NV POT u0026 MEM 10/10K, BGA
CategoryAnalog mixed-signal IC    converter   
File Size549KB,21 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DS1855B-010 Overview

Digital Potentiometer ICs DUAL NV POT u0026 MEM 10/10K, BGA

DS1855B-010 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeBGA
package instruction4 X 4 MM, CSBGA-16
Contacts16
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresNONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 10000 OHM WITH 100 TAP POSITION
Nominal bandwidth1 kHz
control interface2-WIRE SERIAL
Converter typeDIGITAL POTENTIOMETER
JESD-30 codeS-PBGA-B16
JESD-609 codee1
length4 mm
Humidity sensitivity level3
Number of functions2
Number of positions256
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLBGA
Encapsulate equivalent codeBGA16,4X4,20
Package shapeSQUARE
Package formGRID ARRAY, LOW PROFILE
Peak Reflow Temperature (Celsius)240
power supply3/5 V
Certification statusNot Qualified
resistance lawLINEAR
Maximum resistor tolerance20%
Maximum resistor terminal voltage3.3 V
Minimum resistor terminal voltage-0.3 V
Maximum seat height1.5 mm
Nominal supply voltage3 V
surface mountYES
Nominal temperature coefficient750 ppm/°C
Temperature levelINDUSTRIAL
Terminal surfaceTin/Silver/Copper (Sn/Ag/Cu)
Terminal formBALL
Terminal pitch1 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperature20
Nominal total resistance10000 Ω
width4 mm
DS1855
Dual Nonvolatile Digital Potentiometer
and Secure Memory
FEATURES
Two Linear Taper Potentiometers
DS1855-010 (One 10kΩ, 100 Position
and One 10kΩ, 256 Position)
DS1855-020 (One 10kΩ, 100 Position
and One 20kΩ, 256 Position)
DS1855-050 (One 10kΩ, 100 Position
and One 50kΩ, 256 Position)
DS1855-100 (One 10kΩ, 100 Position
and One 100kΩ, 256 Position)
256 Bytes of EEPROM Memory
Access to Data and Potentiometer Control
via a 2-Wire Interface
External Write-Protect Pin to Protect Data
and Potentiometer Settings
Data and Potentiometer Settings Also Can
Be Write Protected Through Software
Control
Nonvolatile Wiper Storage
Operates from 3V or 5V Supplies
14-Pin TSSOP, 16-Ball CSBGA, and
14-Pin Flip-Chip Packages
Industrial Operating Temperature:
-40ºC to +85ºC
PIN CONFIGURATIONS
SDA
SCL
A0
A1
A2
WP
GND
1
2
3
4
5
6
14
13
12
11
10
9
Vcc
H0
W1
H1
L1
W0
L0
7
8
TSSOP (173 mils)
Top View
A
B
C
D
1
2
3
4
CSBGA (4mm x 4mm)
Flip Chip (100 mils x 100 mils) (Not
Shown)
DESCRIPTION
The DS1855 dual nonvolatile (NV) digital potentiometer and secure memory consists of one 100-position
linear taper potentiometer, one 256-position linear taper potentiometer, 256 bytes of EEPROM memory,
and a 2-wire interface. The DS1855, which features a new software write protect, is an upgrade of the
DS1845. The DS1855 provides an ideal method for setting bias voltages and currents in control
applications using a minimum of circuitry. The EEPROM memory allows a user to store configuration or
calibration data for a specific system or device as well as provide control of the potentiometer wiper
settings. Any type of user information may reside in the first 248 bytes of this memory. The next two
addresses of EEPROM memory are for potentiometer settings and the remaining 6 bytes of memory are
reserved. These reserved and potentiometer registers should not be used for data storage. Access to this
EEPROM is via an industry-standard 2-wire bus. The interface I/O pins consist of SDA and SCL. The
wiper position of the DS1855, as well as EEPROM data, can be write protected through hardware using
the write-protect input pin (WP) or software using the 2-wire interface.
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19-6586; Rev 2; 1/13

DS1855B-010 Related Products

DS1855B-010 DS1855B-050
Description Digital Potentiometer ICs DUAL NV POT u0026 MEM 10/10K, BGA
Is it lead-free? Contains lead Contains lead
Is it Rohs certified? incompatible incompatible
Maker Maxim Maxim
Parts packaging code BGA BGA
package instruction 4 X 4 MM, CSBGA-16 4 X 4 MM, CSBGA-16
Contacts 16 16
Reach Compliance Code not_compliant not_compliant
ECCN code EAR99 EAR99
Other features NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 10000 OHM WITH 100 TAP POSITION NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 10000 OHM WITH 100 TAP POSITION
Nominal bandwidth 1 kHz 1 kHz
control interface 2-WIRE SERIAL 2-WIRE SERIAL
Converter type DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER
JESD-30 code S-PBGA-B16 S-PBGA-B16
JESD-609 code e1 e0
length 4 mm 4 mm
Humidity sensitivity level 3 3
Number of functions 2 2
Number of positions 256 256
Number of terminals 16 16
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LBGA LBGA
Encapsulate equivalent code BGA16,4X4,20 BGA16,4X4,20
Package shape SQUARE SQUARE
Package form GRID ARRAY, LOW PROFILE GRID ARRAY, LOW PROFILE
Peak Reflow Temperature (Celsius) 240 240
power supply 3/5 V 3/5 V
Certification status Not Qualified Not Qualified
resistance law LINEAR LINEAR
Maximum resistor tolerance 20% 20%
Maximum resistor terminal voltage 3.3 V 3.3 V
Minimum resistor terminal voltage -0.3 V -0.3 V
Maximum seat height 1.5 mm 1.5 mm
Nominal supply voltage 3 V 3 V
surface mount YES YES
Nominal temperature coefficient 750 ppm/°C 750 ppm/°C
Temperature level INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Silver/Copper (Sn/Ag/Cu) Tin/Lead (Sn/Pb)
Terminal form BALL BALL
Terminal pitch 1 mm 1 mm
Terminal location BOTTOM BOTTOM
Maximum time at peak reflow temperature 20 20
Nominal total resistance 10000 Ω 50000 Ω
width 4 mm 4 mm
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