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參數資料
| 型號： | DS3902U-530+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/11頁 |
| 文件大小： | 0K |
| 描述： | IC DIGITAL RESISTER EEPROM 8USOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 3,000 |
| 接片： | 256 |
| 電阻（歐姆）： | 30k，50k |
| 電路數： | 2 |
| 溫度系數： | 標準值 ±300 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設備位址） |
| 電源電壓： | 2.4 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 95°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 90-3902T+530 |
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 I2C
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 50kΩ/30kΩ or 50kΩ/15kΩ
Resistor Settings Stored in NV Memory
Low Temperature Coefficient
I2C-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 SOP Package
DS3902
Dual, NV, Variable Resistors
with User EEPROM
______________________________________________ Maxim Integrated Products
1
SCL
SDA
ADD_SEL1
GND
2-WIRE
MASTER
4.7k
Ω
4.7k
Ω
0.1
μF
H1
H0
VCC
OUT-
OUT+
BIAS+
BIAS-
MD
IN+
IN-
TX_FAULT
TX_DISABLE
BIASMAX2
APCSET2
MODSET2
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 1; 2/06
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.
Ordering Information
Pin Configuration appears at end of data sheet.
PART
RESISTOR
VALUES
(R0, R1)
TOP
MARK
PIN-
PACKAGE
DS3902U-530
30k
Ω, 50kΩ
3902A
8 SOP
DS3902U-515
15k
Ω, 50kΩ
3902B
8 SOP
Ordering Information continued at end of data sheet.
相關PDF資料 |
PDF描述 |
|---|---|
| DS3903E-020/T&R | IC POT NV TRIPLE 128POS 20-TSSOP |
| DS3905U-020 | IC POT NV TRIPLE 128POS 10-USOP |
| DS3906U+T&R | IC RESIST VAR TRPL 10USOP |
| DS3908N+T&R | IC POT DUAL DIGITAL 14-TDFN |
| DS3930E | IC POT NV HEX I/O MEM 20-TSSOP |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS3903 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Triple 128-Position Nonvolatile Digital Potentiometer |
| DS3903E | 功能描述:IC POT NV TRIPLE 128POS 20-TSSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數:1 溫度系數:標準值 50 ppm/°C 存儲器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 細型，TSOT-23-6 供應商設備封裝:TSOT-23-6 包裝:帶卷 (TR) |
| DS3903E+ | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 128POS 10.5KOHM/90KOHM TRIPLE 20TSSOP - Rail/Tube |
| DS3903E-020 | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS3903E-020/R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Triple 128-Position Nonvolatile Digital Potentiometer |
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