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| 型號(hào)： | DS3902 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DRAM |
| 英文描述： | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| 中文描述： | 該CAT24FC02是一個(gè)2 KB的EEPROM的國(guó)內(nèi)256個(gè)8位每字舉辦的串行CMOS |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大小： | 666K |
| 代理商： | DS3902 |
General Description
The DS3902 features a dual, nonvolatile (NV), low tem-
perature-coefficient, variable digital resistor with 256
user-selectable positions. The DS3902 can operate
over a wide supply range of 2.4V to 5.5V, and commu-
nication with the device is achieved through an I
2
C-
compatible serial interface. Internal address settings
allow the DS3902 slave address to be programmed to
one of 128 possible addresses. The low cost and the
small size of the DS3902 make it an ideal replacement
for conventional mechanical-trimming resistors.
Applications
Optical Transceivers
Optical Transponders
Instrumentation and Industrial Controls
RF Power Amps
Audio Power-Amp Biasing
Replacement for Mechanical Variable Resistors
and DIP Switches
Features
Dual 256-Position Linear Digital Resistors
Available as 50k
/30k
or 50k
/15k
Resistor Settings Stored in NV Memory
Low Temperature Coefficient
I
2
C-Compatible Serial Interface
Wide Operating Voltage (2.4V to 5.5V)
Software Write Protection
User-EEPROM Memory
Programmable Slave Address
Operating Temperature Range: -40°C to +95°C
Small 8-Pin μSOP Package
D
Dual, NV, Variable Resistors
with User EEPROM
______________________________________________
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
SCL
SDA
ADD_SEL
1
GND
2-WIRE
MASTER
4.7k
4.7k
0.1
μ
F
H1
H0
V
CC
V
CC
V
CC
V
CC
OUT-
OUT+
BIAS+
BIAS-
MD
IN+
IN-
TX_DISABLE
TX_FAULT
BIASMAX
2
APCSET
2
MODSET
2
PC_MON
BS_MON
BIAS SET
MOD SET
NOTES:
1. WITH ADD_SEL TIED TO GND, THE SLAVE ADDRESS WILL BE A2H.
2. FOR A DETAILED APPLICATION DIAGRAM OF A SPECIFIC LD,
CONSULT THE LASER DRIVER DATA SHEET.
LASER
DRIVER IC
DS3902
Typical Operating Circuit
Rev 0; 5/04
*
Add /T&R for Tape & Reel orders.
Ordering Information
Pin Configuration appears at end of data sheet.
PART
RESISTOR
VALUES
(R0, R1)
TOP
BRAND
PIN-
PACKAGE
DS3902U-530
DS3902U-515
30k
, 50k
15k
, 50k
3902A
3902B
8 μSOP
8 μSOP
I
2
C is a trademark of Philips Corp. Purchase of I
2
C components of Maxim Integrated Products, Inc., or one of its 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 sys-
tem conforms to the I
2
C Standard Specification as defined by Philips.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS3902U-515 | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| DS3902U-530 | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| DS3906 | Triple NV Low Step Size Variable Resistor Plus Memory |
| DS3906U | Triple NV Low Step Size Variable Resistor Plus Memory |
| DS3908 | Dual, 64-Position Nonvolatile Digital Potentiometer with Buffered Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS3902425 | 制造商:MAJOR 功能描述: |
| DS3902U-515 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, NV, Variable Resistors with User EEPROM |
| DS3902U-515+ | 功能描述:數(shù)字電位計(jì) IC Dual NV Variable w/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(chǔ)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 |
| DS3902U-515+T&R | 制造商:Maxim Integrated Products 功能描述:VARIABLE RESS W/ USER EEPROM 8USOP - Tape and Reel |
| DS3902U-530 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, NV, Variable Resistors with User EEPROM |
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