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DS1848B-010

Description
Dual Temperature-Controlled NV Variable Resistor & Memory
CategoryAnalog mixed-signal IC    converter   
File Size231KB,17 Pages
ManufacturerDALLAS
Websitehttp://www.dalsemi.com
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DS1848B-010 Overview

Dual Temperature-Controlled NV Variable Resistor & Memory

DS1848B-010 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerDALLAS
Reach Compliance Codeunknow
Converter typeDIGITAL POTENTIOMETER
JESD-30 codeS-PBGA-B16
JESD-609 codee0
Number of terminals16
Maximum operating temperature95 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeBGA
Encapsulate equivalent codeBGA16,4X4,40
Package shapeSQUARE
Package formGRID ARRAY
power supply3/5 V
Certification statusNot Qualified
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formBALL
Terminal pitch1 mm
Terminal locationBOTTOM
DS1848
Dual Temperature-Controlled
NV Variable Resistor & Memory
www.maxim-ic.com
FEATURES
§
§
§
§
§
§
§
§
§
§
Two linear taper, temperature-controlled
variable resistors
DS1848-050
-
One 50kW, 256 position
-
One 10kW, 256 position
DS1848-010
-
Two 10kW, 256 position
Resistor settings changeable every 2°C
Access to temperature data and device
control via a 2-wire interface
Operates from 3V or 5V supplies
Packaging: 14-pin TSSOP, 16-ball CSBGA
Operating temperature: -40ºC to +95ºC
Programming temperature: 0ºC to +70ºC
128 bytes of user EEPROM
PIN ASSIGNMENT
SDA
SCL
A0
A1
A2
WP
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
H0
NC
H1
L1
NC
L0
14-Pin TSSOP (173-mil)
Top View
A
B
C
D
2
3
4
16-Ball
1
CSBGA (4mm x 4mm)
DESCRIPTION
The DS1848 Dual Temperature-Controlled Nonvolatile (NV) Variable Resistor consists of two 256-
position linear, variable resistors. The DS1848-050 consists of one 10kW and one 50kW, while the
DS1848-010 consists of two 10kW resistors; both incorporate a direct-to-digital temperature sensor. The
device provides an ideal method for setting and temperature-compensating bias voltages and currents in
control applications using a minimum of circuitry.
The variable resistors settings are stored in EEPROM memory and can be accessed over the industry
standard 2-wire serial bus. The value of each variable resistor is determined by a temperature-addressed
look-up table, which can assign a unique value to each resistor for every 2°C increment over the -40°C to
+95°C range. The output of the digital temperature sensor is also available as a 13-bit, 2’s complement
value over the serial bus. The interface I/O pins consist of SDA and SCL.
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DS1848B-010 Related Products

DS1848B-010 DS1848 DS1848B-050 DS1848E-010 DS1848E-050
Description Dual Temperature-Controlled NV Variable Resistor & Memory Dual Temperature-Controlled NV Variable Resistor & Memory Dual Temperature-Controlled NV Variable Resistor & Memory Dual Temperature-Controlled NV Variable Resistor & Memory Dual Temperature-Controlled NV Variable Resistor & Memory
Is it Rohs certified? incompatible - incompatible incompatible incompatible
Maker DALLAS - DALLAS DALLAS DALLAS
Reach Compliance Code unknow - unknow unknow unknow
Converter type DIGITAL POTENTIOMETER - DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER
JESD-30 code S-PBGA-B16 - S-PBGA-B16 R-PDSO-G14 R-PDSO-G14
JESD-609 code e0 - e0 e0 e0
Number of terminals 16 - 16 14 14
Maximum operating temperature 95 °C - 95 °C 95 °C 95 °C
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code BGA - BGA TSSOP TSSOP
Encapsulate equivalent code BGA16,4X4,40 - BGA16,4X4,40 TSSOP14,.25 TSSOP14,.25
Package shape SQUARE - SQUARE RECTANGULAR RECTANGULAR
Package form GRID ARRAY - GRID ARRAY SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE
power supply 3/5 V - 3/5 V 3/5 V 3/5 V
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified
surface mount YES - YES YES YES
Temperature level INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form BALL - BALL GULL WING GULL WING
Terminal pitch 1 mm - 1 mm 0.635 mm 0.635 mm
Terminal location BOTTOM - BOTTOM DUAL DUAL
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