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DS1881E-050+

更新时间： 2024-01-17 03:58:33
品牌 Logo 应用领域
美信 - MAXIM 光电二极管转换器电阻器
页数 文件大小 规格书
16页 215K
描述
Digital Potentiometer, 2 Func, 45000ohm, 2-wire Serial Control Interface, 64 Positions, PDSO16, 0.173 INCH, ROHS COMPLIANT, TSSOP-16

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DS1881E-050+ 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.14Is Samacsys：N
标称带宽：5 kHz控制接口：2-WIRE SERIAL
转换器类型：DIGITAL POTENTIOMETERJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：5 mm
湿度敏感等级：1功能数量：2
位置数：64端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
电阻定律：LOGARITHMIC最大电阻容差：20%
最大电阻器端电压：5.5 V最小电阻器端电压：
座面最大高度：1.1 mm标称供电电压：5 V
表面贴装：YES标称温度系数：750 ppm/ °C
温度等级：INDUSTRIAL端子面层：MATTE TIN
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
标称总电阻：45000 Ω宽度：4.4 mm
Base Number Matches：1

DS1881E-050+ 数据手册

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Rev 0; 1/06  
Dual NV Audio Taper Digital Potentiometer  
General Description  
Features  
♦ Dual, Audio Log Taper Potentiometers  
♦ Low THD+N and Crosstalk  
The DS1881 is a dual, nonvolatile (NV) digital poten-  
tiometer designed to operate in audio systems that  
require 5V signal levels. The potentiometer settings can  
be stored in EEPROM so that they are retained when the  
power is cycled. The DS1881 has separate supplies for  
♦ 5V Analog Supply (Independent of Digital Supply)  
♦ 3V to 5V Digital Supply Range  
♦ Potentiometer Settings Configurable as NV  
the potentiometers (V ) and the communication circuit-  
CC  
ry (V ). For clickless/popless operation, a zero-crossing  
DD  
or Volatile  
detector allows the wiper position to change when there  
is no voltage across the potentiometer. The device is  
also designed to minimize crosstalk, and the two digital  
potentiometers provide 0.5dB channel-to-channel match-  
ing to prevent volume differences between channels.  
Total harmonic distortion (THD) is also minimal as long  
as the wiper drives a high-impedance load.  
♦ Zero-Crossing Detector Eliminates Switching  
Noise  
♦ Two User-Configurable Attenuation Options  
♦ Configuration Option 1: 63 Positions Provide 1dB  
Attenuation Steps from 0dB to -62dB Plus Mute  
♦ Configuration Option 2: (Software-Compatible  
with the DS1808): 33 Positions Plus Mute as  
Follows  
Two attenuation configuration options provide optimum  
flexibility for the specific application. Configuration  
Option 1 provides 63 logarithmic tapered steps (0dB to  
-62dB, 1dB/step) plus a mute setting. Configuration  
Option 2 has 32 logarithmic steps plus mute and pro-  
vides software compatibility with the DS1808. When  
Configuration Option 2 is used in combination with the  
16-pin SO package, the DS1881 is both software and pin  
compatible with the DS1808 in 5V applications.  
Positions 0–12: 1dB per Step for 12 Steps  
Positions 13–24: 2dB per Step for 12 Steps  
Positions 25–32: 3dB per Step for 8 Steps  
2
♦ I C-Compatible Serial Interface  
♦ Three Address Pins Allow Up to 8 Devices on  
2
I C Bus  
♦ 45kΩ Potentiometer End-to-End Resistance  
♦ Industrial Temperature Range (-40°C to +85°C)  
♦ 16-Pin TSSOP or SO Package  
Applications  
Notebook and PC Audio  
Portable Audio Equipment  
Car Stereo  
Ordering Information  
Consumer Audio/Video  
TEMP  
RANGE  
VERSION PIN-  
PART  
(kΩ)  
PACKAGE  
Pin Configuration  
16 TSSOP  
(173 mils)  
DS1881E-050+  
-40°C to +85°C  
45  
TOP VIEW  
+
16 TSSOP  
GND  
A2  
1
2
3
4
5
6
7
8
16 V  
15 V  
DD  
DS1881E-050+T&R -40°C to +85°C  
45  
45  
45  
(173 mils)  
Tape-and-Reel  
CC  
A1  
14 SCL  
13 SDA  
12 CE  
11 W1  
10 H1  
16 SO  
(150 mils)  
DS1881Z-050+  
-40°C to +85°C  
N.C.  
A0  
DS1881  
16 SO  
(150 mils)  
Tape-and-Reel  
W0  
L0  
DS1881Z-050+T&R -40°C to +85°C  
+Denotes lead-free package.  
H0  
9 L1  
TSSOP/SO  
Typical Operating Circuit appears at end of data sheet.  
______________________________________________ Maxim Integrated Products  
1
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.  
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