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| 型号： | DS3901E+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC RESIST VAR TRPL 14TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接片： | 256 |
| 电阻（欧姆）： | 20k，30k，50k |
| 电路数： | 3 |
| 温度系数： | 标准值 50 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 2.4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 95°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
General Description
The DS3901 is a triple, 8-bit nonvolatile (NV) variable
resistor. Each of the resistors has two setting registers,
which are selectable by software or by pin configura-
tion. The selected register determines the value of the
variable resistor. Additionally, all three resistors have a
high-impedance setting. Resistor R0 has the additional
flexibility of allowing an external shunt resistor to pro-
vide increased dynamic range. Internal address set-
tings allow the DS3901 slave address to be
programmed to one of 128 possible addresses. The
DS3901 also features an optional password-protection
scheme that allows the protection of sensitive data.
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
Three 256-Position Linear Digital Resistors
Full-Scale Resistances 50kΩ, 30kΩ, 20kΩ
Dual NV Settings for Each Resistor
Low Temperature-Coefficient Resistors
I2C Serial Interface
Wide Operating Voltage (2.4V to 5.5V)
Two-Level Password Write Protection
232 Bytes of User EEPROM
Programmable Slave Address
-40°C to +95°C Operating Temperature Range
DS3901
Triple, 8-Bit NV Variable Resistor
with Dual Settings and User EEPROM
______________________________________________ Maxim Integrated Products
1
14
13
12
11
10
9
8
1
2
3
4
5
6
7
VCC
N.C.
H2
L2
BK_SEL
ADD_SEL
SDA
SCL
TOP VIEW
H1
H0
L0
GND
N.C.
DIS
TSSOP
DS3901
+
Pin Configuration
Rev 0; 4/06
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.
+Denotes lead-free package.
Ordering Information
Typical Operating Circuit appears at end of data sheet.
PART
TEMP RANGE
RESISTOR
VALUES FOR
R0, R1, AND R2
PIN-
PACKAGE
DS3901E+ -40°C to +95°C
50k
Ω, 30kΩ, 20kΩ 14 TSSOP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3902 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, NV, Variable Resistors with User EEPROM |
| DS3902425 | 制造商:MAJOR 功能描述: |
| DS3902U-515 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, NV, Variable Resistors with User EEPROM |
| DS3902U-515+ | 功能描述:数字电位计 IC Dual NV Variable w/EEPROM RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
| DS3902U-515+T&R | 制造商:Maxim Integrated Products 功能描述:VARIABLE RESS W/ USER EEPROM 8USOP - Tape and Reel |
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