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DS1847B-050-

Description
Digital Potentiometer ICs Dual Temp Controlled NV Variable Resistor
Categorysemiconductor    Other integrated circuit (IC)   
File Size261KB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DS1847B-050- Overview

Digital Potentiometer ICs Dual Temp Controlled NV Variable Resistor

DS1847B-050- Parametric

Parameter NameAttribute value
Product CategoryDigital Potentiometer ICs
ManufacturerMaxim
RoHSDetails
Resistance10 kOhms, 50 kOhms
Number of POTsDual
Taps per POT256
Wiper MemoryNon Volatile
Digital InterfaceSerial (2-Wire)
Operating Supply Voltage3.3 V, 5 V
Operating Supply Current1 mA
Maximum Operating Temperature+ 95 C
Mounting StyleSMD/SMT
Package / CaseCSBGA-16
PackagingTray
Height1.01 mm
Length4 mm
Minimum Operating Temperature- 40 C
Moisture SensitiveYes
Factory Pack Quantity810
Supply TypeSingle
Supply Voltage - Max5.5 V
Supply Voltage - Min3 V
TaperLinear
Width4 mm
DS1847
Dual Temperature-Controlled
NV Variable Resistor
www.maxim-ic.com
FEATURES
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Two linear taper, temperature-controlled
variable resistors
DS1847-050
-
One 50kW, 256 position
-
One 10kW, 256 position
DS1847-010
-
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
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
1
2
3
4
16-Ball CSBGA (4mm x 4mm)
DESCRIPTION
The DS1847 Dual Temperature-Controlled Nonvolatile (NV) Variable Resistor consists of two 256-
position linear, variable resistors. The DS1847-050 consists of one 10kW and one 50kW, while the
DS1847-010 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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DS1847B-050- Related Products

DS1847B-050- DS1847B-010-TR DS1847E-010- DS1847B-050-TR DS1847E-050-TR
Description Digital Potentiometer ICs Dual Temp Controlled NV Variable Resistor Digital Potentiometer ICs DUAL NV TEMP CNTRL VAR RES 10/10K T Digital Potentiometer ICs Dual Temp Controlled NV Variable Resistor Digital Potentiometer ICs DUAL NV REMP CNTRL RES 10/50K Tu0026R
Product Category Digital Potentiometer ICs Digital Potentiometer ICs Digital Potentiometer ICs Digital Potentiometer ICs Digital Potentiometer ICs
Manufacturer Maxim Maxim Maxim Maxim Maxim
RoHS Details No Details Details No
Resistance 10 kOhms, 50 kOhms 10 kOhms 10 kOhms 10 kOhms, 50 kOhms 10 kOhms, 50 kOhms
Number of POTs Dual Dual Dual Dual Dual
Taps per POT 256 256 256 256 256
Wiper Memory Non Volatile Non Volatile Non Volatile Non Volatile Non Volatile
Digital Interface Serial (2-Wire) Serial (2-Wire) Serial (2-Wire) Serial (2-Wire) Serial (2-Wire)
Operating Supply Voltage 3.3 V, 5 V 3.3 V, 5 V 3.3 V, 5 V 3.3 V, 5 V 3.3 V, 5 V
Operating Supply Current 1 mA 1 mA 1 mA 1 mA 1 mA
Maximum Operating Temperature + 95 C + 95 C + 95 C + 95 C + 95 C
Package / Case CSBGA-16 CSBGA-16 TSSOP-14 CSBGA-16 TSSOP-14
Height 1.01 mm 1.01 mm 0.9 mm 1.01 mm 0.9 mm
Length 4 mm 4 mm 5 mm 4 mm 5 mm
Minimum Operating Temperature - 40 C - 40 C - 40 C - 40 C - 40 C
Factory Pack Quantity 810 2500 96 2500 1000
Supply Type Single Single Single Single Single
Supply Voltage - Max 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Supply Voltage - Min 3 V 3 V 3 V 3 V 3 V
Taper Linear Linear Linear Linear Linear
Width 4 mm 4 mm 4.4 mm 4 mm 4.4 mm
Mounting Style SMD/SMT - SMD/SMT SMD/SMT SMD/SMT
Packaging Tray Reel Tube Reel Cut Tape
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