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| 型号： | DS1858E-050+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | IC RES TEMP 50/50K 3MON 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 接片： | 256 |
| 电阻（欧姆）： | 50k |
| 电路数： | 2 |
| 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： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 95°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
DS1858
Dual Temperature-Controlled
Resistors with Three 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 DS1858 dual temperature-controlled nonvolatile
(NV) variable resistors with three monitors consists of
two 50k
256-position linear variable resistors, three
analog monitor inputs (MON1, MON2, MON3), and a
direct-to-digital temperature sensor. The device pro-
vides an ideal method for setting and temperature-com-
pensating bias voltages and currents in control
applications using minimal circuitry. The variable resis-
tor 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
o Five Total Monitored Channels (Temperature,
VCC, MON1, MON2, MON3)
o Three External Analog Inputs (MON1, MON2,
MON3)
o Internal Direct-to-Digital Temperature Sensor
o Two 50k, Linear, 256-Position, Nonvolatile
Temperature-Controlled Variable Resistors
o Resistor Settings Changeable Every 2°C
o Access to Monitoring and ID Information
Configurable with Separate Device Addresses
o 2-Wire Serial Interface
o Two Buffers with TTL/CMOS-Compatible Inputs
and Open-Drain Outputs
o Operates from a 3.3V or 5V Supply
o SFF-8472 Compatible
Ordering Information
Rev 1; 5/06
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
DS1858E-050
-40°C to +95°C 16 TSSOP
DS1858E-050+
-40°C to +95°C 16 TSSOP
DS1858E-050/T&R
-40°C to +95°C
16 TSSOP
(Tape-and-Reel)
DS1858B-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
MON3
OUT1
IN2
MON1
L0
GND
WPEN
L1
H0
SDA
OUT2
H1
VCC
SCL
IN1
MON2
DS1858
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
MON3
MON2
MON1
Pin Configurations
DS1858
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
MON3
MON2
MON1
GROUND TO
DISABLE WRITE
PROTECT
Tx POWER*
DIAGNOSTIC
INPUTS
0 TO 2.5V FS
TO LASER
MODULATION
CONTROL
TO LASER BIAS
CONTROL
DECOUPLING
CAP
Rx POWER*
Tx BIAS*
*Rx POWER, Tx BIAS, AND Tx POWER 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
+Denotes lead-free package.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1858E-050/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual Temperature-Controlled Resistors with Three Monitors |
| DS1858E-050/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual Temperature-Controlled Resistors with Three Monitors |
| DS1858E-050/T&R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual Temperature-Controlled Resistors with Three Monitors |
| DS1858E-050+ | 功能描述:数字电位计 IC Dual Temp-Controlled Resistors 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 |
| DS1859 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors |
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