參數資料
型號： DS1859B-050/T&R
廠商： Maxim Integrated Products
文件頁數： 1/28頁
文件大?。?/td> 0K
描述： IC RES TEMP 50/50K W/3MON 16-BGA
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
接片： 256
電阻（歐姆）： 50k
電路數： 2
溫度系數： 標準值 50 ppm/°C
存儲器類型： 非易失
接口： I²C（設備位址）
電源電壓： 2.85 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-LBGA，CSPBGA
供應商設備封裝： 16-CSBGA（4x4）
包裝： 帶卷 (TR)
DS1859
Dual, Temperature-Controlled Resistors with
Internally Calibrated 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 DS1859 dual, temperature-controlled, nonvolatile
(NV) variable resistors with three monitors consists of
two 50k
or two 20k, 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 tem-
perature-compensating bias voltages and currents in
control applications using minimal circuitry. The vari-
able 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
SFF-8472 Compatible
Five Monitored Channels (Temperature, VCC,
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 50k or Two 20k, 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
2-Wire Serial Interface
Two Buffers with TTL/CMOS-Compatible Inputs and
Open-Drain Outputs
Operates from a 3.3V or 5V Supply
Operating Temperature Range of -40°C to +95°C
Ordering Information
Rev 4; 2/06
EVALUATION
KIT
AVAILABLE
PART
RESISTANCE
PIN-PACKAGE
DS1859B-020
20k
16 CSBGA
DS1859B-020+
20k
16 CSBGA
DS1859B-050
50k
16 CSBGA
DS1859B-050+
50k
16 CSBGA
A
TOP VIEW
B
C
D
1
CSBGA (4mm x 4mm)
1.0mm PITCH
TSSOP
3
24
MON3
OUT1
IN2
MON1
L0
GND
WPEN
L1
H0
SDA
OUT2
H1
VCC
SCL
IN1
MON2
DS1859
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
DS1859
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
Rx POWER*
DIAGNOSTIC
INPUTS
TO LASER
MODULATION
CONTROL
TO LASER BIAS
CONTROL
DECOUPLING
CAP
Tx POWER*
Tx BIAS*
*SATISFIES SFF-8472 COMPATIBILITY
VCC
VCC = 3.3V
4.7k
4.7k
Tx-FAULT
LOS
2-WIRE
INTERFACE
Typical Operating Circuit
+Denotes lead-free package.
Ordering Information continued at end of data sheet.
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相關代理商/技術參數
參數描述
DS1859E-015+ 功能描述:數字電位計 IC Dual Temp-Controlled Resistors RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS1859E-015+T&R 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS DUAL 16TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RES TEMP 50/50K 3MON 16-TSSOP
DS1859E-015+T&R 功能描述:數字電位計 IC Dual Temp-Controlled Resistors RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS1859E-020 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口: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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS1859E-020/R 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors
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