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參數(shù)資料
| 型號： | DS3906 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Triple NV Low Step Size Variable Resistor Plus Memory |
| 中文描述： | 三路、非易失、小步長調(diào)節(jié)可變電阻與存儲器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 260K |
| 代理商： | DS3906 |
General Description
The DS3906 is intended for low resistance, small step-
size applications. It contains three nonvolatile (NV), low-
temperature coefficient, variable digital resistors that
are capable of ohm and subohm increments when
used in parallel with a fixed external resistor. All three of
the DS3906’s resistors have 64 positions (plus a high-Z
state) with a pseudo-log response cleverly chosen to
have a linear equivalent resistance when paired with an
external resistor (see graphs below). The DS3906 also
contains 16 bytes of user EEPROM that, in addition to
the resistors, are controlled through an I
2
C-compati-
ble serial interface. Three address pins allow up to
eight DS3906s to be placed on the same I
2
C bus.
The DS3906 can also be factory cutomized to provide a
variety of transfer functions depending on user
requirements. Contact mixedsignal.apps@dalsemi.com
for additional information.
Applications
Low Ohm, Fine Resolution Driver Control for LED
Display Panels
Low Ohm, Fine Resolution Instrumentation Control
Features
Three Programmable Resistors for Low Step-Size
Applications (Ohm and Subohm)
Resistor Settings are NV
16-Byte NV User Memory (EEPROM)
I
2
C-Compatible Serial Interface
Up to 8 Devices Can be Multidropped on the
Same I
2
C Bus
Low Power Consumption
Wide Operating Voltage (2.7V to 5.5V)
Operating Temperature Range: -40°C to +85°C
Ordering Information
D
Triple NV Low Step Size Variable
Resistor Plus Memory
______________________________________________
Maxim Integrated Products
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.
1
TOP VEIW
10
1
A1
A2
9
2
SDA
A0
10-PIN
μ
SOP
8
3
H0
SCL
7
4
H1
V
CC
6
5
H2
GND
DS3906
Pin Configuration
DS3906
R0
R
EXT0
R1
R
EXT1
R2
R
EXT2
RESISTOR 0 AND 1 RESISTANCE vs. POSITION
(WITH AND WITHOUT EXTERNAL RESISTOR)
200
RESISTOR POSITION (dec)
R
E
0
E
)
R
0
E
)
48
32
16
20
40
60
80
100
120
140
160
180
0
20
500
100
1500
2000
2500
3000
0
0
64
R
0, 1
|| (R
EXT
= 150
)
R
0, 1
|| (R
EXT
= 105
)
R
0, 1
|| (R
EXT
= 50
)
R
0, 1
WITHOUT R
EXT
RESISTOR 2 RESISTANCE vs. POSITION
(WITH AND WITHOUT EXTERNAL RESISTOR)
350
R
2
|| (R
EXT
= 400
)
RESISTOR POSITION (dec)
R
E
2
E
)
48
32
16
50
100
150
200
250
300
0
0
64
R
2
E
)
600
800
1000
1200
1400
1600
400
R
2
|| (R
EXT
= 310
)
R
2
|| (R
EXT
= 250
)
R
2
WITHOUT R
EXT
Resistor Plots
Rev 0; 4/05
+
Denotes lead-free package.
Add “/T&R” for Tape-and-Reel orders
Typical Operating Circuit appears at end of data sheet.
PART
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PACKAGE
10-Pin μSOP
10-Pin μSOP
DS3906U
DS3906U+
I
2
C is a trademark of Philips Corp. Purchase of I
2
C components of Maxim Integrated Products, Inc., or one of its sublicensed
Associated Companies, conveys a license under the Philips I
2
C Patent Rights to use these components in an I
2
C system, provided
that the system conforms to the I
2
C Standard Specification as defined by Philips Corp.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS3906U | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS3906U/T&R | 制造商:Maxim Integrated Products 功能描述:TRIPLE NV 64 BYTES EEPROM T&R - Tape and Reel |
| DS3906U/T&R | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS3906U+ | 功能描述:數(shù)字電位計 IC Triple NV w/64Bytes EEPROM RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS3906U+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 64POS 1.45KOHM/2.54KOHM TRIPLE 10USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RESIST VAR TRPL 10USOP 制造商:Maxim Integrated Products 功能描述:Digital Potentiometer ICs Triple NV w/64Bytes EEPROM |
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