电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

DS1856E-025+T&R

产品描述Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PDSO16, LEAD FREE, TSSOP-16
产品类别模拟混合信号IC    转换器   
文件大小603KB,共31页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
标准
下载文档 详细参数 选型对比 全文预览

DS1856E-025+T&R概述

Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PDSO16, LEAD FREE, TSSOP-16

DS1856E-025+T&R规格参数

参数名称属性值
是否无铅不含铅
是否Rohs认证符合
厂商名称Maxim(美信半导体)
零件包装代码TSSOP
包装说明TSSOP,
针数16
Reach Compliance Codecompliant
ECCN代码EAR99
其他特性NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY
控制接口2-WIRE SERIAL
转换器类型DIGITAL POTENTIOMETER
JESD-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256
端子数量16
最高工作温度95 °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LINEAR
最大电阻器端电压3.6 V
最小电阻器端电压-0.3 V
座面最大高度1.1 mm
标称供电电压3.3 V
表面贴装YES
标称温度系数50 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NOT SPECIFIED
标称总电阻2500 Ω
宽度4.4 mm
Base Number Matches1

文档预览

下载PDF文档
Rev 1; 4/05
Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
General Description
The DS1856 dual, temperature-controlled, nonvolatile
(NV) variable resistors with three monitors consists of
two 256-position, linear, variable resistors; three analog
monitor inputs (MON1, MON2, MON3); and a direct-to-
digital temperature sensor. The device provides an
ideal method for setting and temperature-compensating
bias voltages and currents in control applications using
minimal circuitry. The variable resistor settings are
stored in EEPROM memory and can be accessed over
the 2-wire serial bus.
Relative to other members of the family, the DS1856 is
essentially a DS1859 with a DS1852-friendly memory
map. In particular, the DS1856 can be configured so
the 128 bytes of internal Auxiliary EEPROM memory is
mapped into Main Device Table 00h and Table 01h,
maintaining compatibility between both the
DS1858/DS1859 and the DS1852. The DS1856 also
features password protection equivalent to the DS1852,
further enhancing compatibility between the two.
Features
SFF-8472 Compatible
Five Monitored Channels (Temperature, V
CC
,
MON1, MON2, MON3)
Three External Analog Inputs (MON1, MON2, MON3)
That Support Internal and External Calibration
Scalable Dynamic Range for External Analog Inputs
Internal Direct-to-Digital Temperature Sensor
Alarm and Warning Flags for All Monitored
Channels
Two Linear, 256-Position, Nonvolatile Temperature-
Controlled Variable Resistors
Resistor Settings Changeable Every 2°C
Three Levels of Security
Access to Monitoring and ID Information
Configurable with Separate Device Addresses
2-Wire Serial Interface
Two Buffers with TTL/CMOS-Compatible Inputs and
Open-Drain Outputs
Operates from a 3.3V or 5V Supply
-40°C to +95°C Operating Temperature Range
DS1856
Applications
Optical Transceivers
Optical Transponders
Instrumentation and Industrial Controls
RF Power Amps
Diagnostic Monitoring
Ordering Information
PART
DS1856E-050
DS1856E-050/T&R
DS1856B-050
RES0/RES1
RESISTANCE
(kΩ)
50/50
50/50
50/50
PIN-PACKAGE
16 TSSOP
16 TSSOP
16-Ball CSBGA
Typical Operating Circuit
V
CC
V
CC
= 3.3V
4.7kΩ
2-WIRE
INTERFACE
Tx-FAULT
4.7kΩ
1
2
3
4
5
LOS
6
IN2
7
8
N.C.
GND
MON3
MON2
MON1
SDA
SCL
OUT1
IN1
OUT2
V
CC
H1
L1
H0
16
15
14
13
12
DECOUPLING
CAPACITOR
Ordering Information continued at end of data sheet.
+Denotes lead free.
*Future
product—contact factory for availability.
T&R denotes tape-and-reel.
All parts operate at the -40°C to +95°C temperature range.
0.1µF
Pin Configurations
TOP VIEW
A
SDA 1
IN1
SCL
V
CC
H1
SCL 2
OUT1 3
L1
IN1 4
16 V
CC
15 H1
14 L1
TO LASER BIAS
CONTROL
TO LASER
MODULATION
CONTROL
DS1856
L0
B
OUT2
SDA
H0
11 Rx POWER*
10 Tx POWER*
9 Tx BIAS*
DIAGNOSTIC
INPUTS
C
N.C.
IN2
OUT1
MON3
DS1856
13 H0
12 L0
11 MON3
10 MON2
9
MON1
OUT2 5
IN2 6
D
GND
1
L0
2
MON1
3
MON2
4
N.C. 7
GND 8
*SATISFIES SFF-8472 COMPATIBILITY
CSBGA (4mm x 4mm)
1.0mm PITCH
TSSOP
______________________________________________
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.

DS1856E-025+T&R相似产品对比

DS1856E-025+T&R DS1856E-025/T&R DS1856B-002+ DS1856B-025+ DS1856B-025/T&R DS1856B-025+T&R DS1856E-025+ DS1856E-002+
描述 Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PDSO16, LEAD FREE, TSSOP-16 Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PDSO16, TSSOP-16 Digital Potentiometer, 2 Func, 10000ohm, 2-wire Serial Control Interface, 256 Positions, PBGA16, 4 X 4 MM, 1 MM PITCH, LEAD FREE, CSBGA-16 Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PBGA16, 4 X 4 MM, 1 MM PITCH, LEAD FREE, CSBGA-16 Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PBGA16, 4 X 4 MM, 1 MM PITCH, CSBGA-16 Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PBGA16, 4 X 4 MM, 1 MM PITCH, LEAD FREE, CSBGA-16 Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 256 Positions, PDSO16, LEAD FREE, TSSOP-16 Digital Potentiometer, 2 Func, 10000ohm, 2-wire Serial Control Interface, 256 Positions, PDSO16, LEAD FREE, TSSOP-16
是否无铅 不含铅 含铅 不含铅 不含铅 含铅 不含铅 不含铅 不含铅
是否Rohs认证 符合 不符合 符合 符合 不符合 符合 符合 符合
零件包装代码 TSSOP TSSOP BGA BGA BGA BGA TSSOP TSSOP
包装说明 TSSOP, TSSOP, LBGA, LBGA, LBGA, LBGA, TSSOP, TSSOP,
针数 16 16 16 16 16 16 16 16
Reach Compliance Code compliant compli compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
其他特性 NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY NONVOLATILE MEMORY; OTHER RESISTOR VALUE IS 2500 OHM; IT CAN ALSO OPERATE FROM A 5V SUPPLY
控制接口 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL 2-WIRE SERIAL
转换器类型 DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER DIGITAL POTENTIOMETER
JESD-30 代码 R-PDSO-G16 R-PDSO-G16 S-PBGA-B16 S-PBGA-B16 S-PBGA-B16 S-PBGA-B16 R-PDSO-G16 R-PDSO-G16
JESD-609代码 e3 e0 e1 e1 e0 e1 e3 e3
长度 5 mm 5 mm 4 mm 4 mm 4 mm 4 mm 5 mm 5 mm
功能数量 2 2 2 2 2 2 2 2
位置数 256 256 256 256 256 256 256 256
端子数量 16 16 16 16 16 16 16 16
最高工作温度 95 °C 95 °C 95 °C 95 °C 95 °C 95 °C 95 °C 95 °C
最低工作温度 -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 TSSOP TSSOP LBGA LBGA LBGA LBGA TSSOP TSSOP
封装形状 RECTANGULAR RECTANGULAR SQUARE SQUARE SQUARE SQUARE RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH GRID ARRAY, LOW PROFILE GRID ARRAY, LOW PROFILE GRID ARRAY, LOW PROFILE GRID ARRAY, LOW PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度) 260 240 250 250 225 250 260 260
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
电阻定律 LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR LINEAR
最大电阻器端电压 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V
最小电阻器端电压 -0.3 V -0.3 V -0.3 V -0.3 V -0.3 V -0.3 V -0.3 V -0.3 V
座面最大高度 1.1 mm 1.1 mm 1.5 mm 1.5 mm 1.5 mm 1.5 mm 1.1 mm 1.1 mm
标称供电电压 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
表面贴装 YES YES YES YES YES YES YES YES
标称温度系数 50 ppm/°C 50 ppm/°C 50 ppm/°C 50 ppm/°C 50 ppm/°C 50 ppm/°C 50 ppm/°C 50 ppm/°C
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 MATTE TIN TIN LEAD TIN SILVER COPPER TIN SILVER COPPER TIN LEAD TIN SILVER COPPER MATTE TIN MATTE TIN
端子形式 GULL WING GULL WING BALL BALL BALL BALL GULL WING GULL WING
端子节距 0.65 mm 0.65 mm 1 mm 1 mm 1 mm 1 mm 0.65 mm 0.65 mm
端子位置 DUAL DUAL BOTTOM BOTTOM BOTTOM BOTTOM DUAL DUAL
处于峰值回流温度下的最长时间 NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
标称总电阻 2500 Ω 2500 Ω 10000 Ω 2500 Ω 2500 Ω 2500 Ω 2500 Ω 10000 Ω
宽度 4.4 mm 4.4 mm 4 mm 4 mm 4 mm 4 mm 4.4 mm 4.4 mm
Base Number Matches 1 1 1 1 1 1 1 1
厂商名称 Maxim(美信半导体) - Maxim(美信半导体) Maxim(美信半导体) Maxim(美信半导体) Maxim(美信半导体) Maxim(美信半导体) Maxim(美信半导体)
QuickSense触摸解决方案教你如何简化开发过程
目前越来越多的电子产品结合高速发展的感测技术,以期改善消费者使用感受,如增加对预测使用者需求的智能化功能,以及通过触摸和直觉式手势实现人机互动,这些先进的人机界面功能往往需要牺牲 ......
knightj 单片机
算法与数据结构的课件!~
希望对大家写程序有帮助!~...
wanghongyang 微控制器 MCU
高薪聘请单片机工程师
哈尔滨宏泰伟业科技有限公司 薪资待遇: 12000-20000元 (试用期薪资80%,一个月内转正) 学历要求: 本科 招聘职位:软件工程师 工作年限: 3年 以上 岗位职责:能够 ......
hongtai 求职招聘
好书推荐
对于单片机初学者,这书蛮有用的,欢迎大家多多交流哦!...
fjwyh 单片机
时延测试
在设计的一个数据采集、无线传输和数据存储系统中(多个采集终端采集的数据通过WIFI无线发送出去,相当于WIFI-AP的节点接收多个终端节点的数据,并存储起来),怎么测试无线传输的时延呢?比较 ......
静静地期待 模拟电子

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 1216  1140  460  849  2110  43  11  40  1  58 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved