參數(shù)資料
型號(hào)： DS1854E-050
廠商： Maxim Integrated Products
文件頁數(shù)： 1/22頁
文件大?。?/td> 0K
描述： IC RES TEMP-CNTRL 50/50K 16TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 96
接片： 256
電阻（歐姆）： 50k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 50 ppm/°C
存儲(chǔ)器類型： 非易失
接口： I²C（設(shè)備位址）
電源電壓： 3 V ~ 5.5 V
工作溫度： -40°C ~ 95°C
安裝類型： 表面貼裝
封裝/外殼： 16-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 16-TSSOP
包裝： 管件
DS1854
Dual Temperature-Controlled
Resistors with Two Monitors
______________________________________________ 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.
General Description
The DS1854 dual temperature-controlled nonvolatile
(NV) variable resistors with two monitors consists of two
50k
256-position linear variable resistors, two analog
monitor inputs (MON1, MON2), 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 min-
imal circuitry. The variable resistor settings are stored in
EEPROM memory and can be accessed over the 2-wire
serial bus.
Applications
Optical Transceivers
Optical Transponders
Instrumentation and Industrial Controls
RF Power Amps
Diagnostic Monitoring
Features
Four Total Monitored Channels (Temperature,
VCC, MON1, MON2)
Two External Analog Inputs (MON1, MON2)
Internal Direct-to-Digital Temperature Sensor
Two 50k, Linear, 256-Position, Nonvolatile
Temperature-Controlled Variable Resistors
Resistor Settings Changeable Every 2°C
Access to Monitoring and ID Information
Configurable with Separate Device Addresses
Resistor Disable (Open-Circuit) Function
2-Wire Serial Interface
Two Buffers with TTL/CMOS-Compatible Inputs
and Open-Drain Outputs
Operates from a 3.3V or 5V Supply
SFF-8472 Compatible
Ordering Information
Rev 1; 2/06
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
DS1854E-050
-40°C to +95°C 16 TSSOP
DS1854B-050
-40°C to +95°C 16-Ball CSBGA
A
TOP VIEW
B
C
D
1
16-BALL CSBGA (4mm x 4mm)
1.0mm PITCH
16 TSSOP
3
24
MON2
OUT1
IN2
RHIZ
L0
GND
WPEN
L1
H0
SDA
OUT2
H1
VCC
SCL
IN1
MON1
DS1854
SDA
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SCL
OUT1
IN1
OUT2
IN2
WPEN
GND
VCC
H1
L1
H0
L0
MON2
MON1
RHIZ
Pin Configurations
DS1854
SDA
1
2
3
4
5
6
7
8
16
0.1
F
15
14
13
12
11
10
9
SCL
OUT1
IN1
OUT2
IN2
WPEN
GND
VCC
H1
L1
H0
L0
MON2
MON1
RHIZ
GROUND TO
DISABLE WRITE
PROTECT
Rx POWER*
DIAGNOSTIC
INPUTS
0 TO 2.5V FS
TO LASER
MODULATION
CONTROL
TO LASER BIAS
CONTROL
DECOUPLING
CAP
Tx BIAS*
Tx DISABLE
*Rx POWER AND Tx BIAS CAN BE ARBITRARILY
ASSIGNED TO THE MON INPUTS
VCC
VCC = 3.3V
4.7k
4.7k
TX-FAULT
LOS
2-WIRE
INTERFACE
Typical Operating Circuit
相關(guān)PDF資料
PDF描述
DS1855X-050#T&R IC DUAL NV DGTL POT/MEM 14-FCP
DS1856B-030+ IC RES TEMP-CNTRL 30/10K 16-BGA
DS1857E-050+ IC RES TEMP 50/50K 2MON 16-TSSOP
DS1857E-050 IC RES TEMP 50/50K 2MON 16-TSSOP
DS1858E-050 IC RES TEMP 50/50K 3MON 16-TSSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1855 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Nonvolatile Digital Potentiometer and Secure Memory
DS1855-010+ 制造商:Maxim Integrated Products 功能描述:DUAL NV POT & MEM 10/10K LEAD FREE - Rail/Tube
DS1855B-010 功能描述:數(shù)字電位計(jì) IC 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
DS1855B-010/T&R 制造商:Maxim Integrated Products 功能描述:IC RES TEMP-CNTRL 10/10K 16BGA
DS1855B-010/T&R 功能描述:數(shù)字電位計(jì) IC 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
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