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参数资料
| 型号： | DS1859B-020+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 27/28页 |
| 文件大小： | 0K |
| 描述： | IC RES TEMP 20/20K W/3MON 16-BGA |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 接片： | 256 |
| 电阻（欧姆）： | 20k |
| 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： | 2.85 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-LBGA，CSPBGA |
| 供应商设备封装： | 16-CSBGA（4x4） |
| 包装： | 托盘 |
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DS1859
Dual, Temperature-Controlled Resistors with
Internally Calibrated Monitors
8
_____________________________________________________________________
Detailed Description
The user can read the registers that monitor the VCC,
MON1, MON2, MON3, and temperature analog signals.
After each signal conversion, a corresponding bit is set
that can be monitored to verify that a conversion has
occurred. The signals also have alarm and warning flags
that notify the user when the signals go above or below
the user-defined value. Interrupts can also be set for
each signal.
The position values of each resistor can be indepen-
dently programmed. The user can assign a unique
value to each resistor for every 2°C increment over the
-40°C to +102°C range.
Two buffers are provided to convert logic-level inputs
into open-drain outputs. Typically, these buffers are
used to implement transmit (Tx) fault and loss-of-signal
(LOS) functionality. Additionally, OUT1 can be asserted
in the event that one or more of the monitored values
go beyond user-defined limits.
PIN
BALL
NAME
FUNCTION
1B2
SDA
2-Wire Serial Data I/O Pin. Transfers serial data to and from the device.
2A2
SCL
2-Wire Serial Clock Input. Clocks data into and out of the device.
3C3
OUT1
Open-Drain Buffer Output
4A1
IN1
TTL/CMOS-Compatible Input to Buffer
5B1
OUT2
Open-Drain Buffer Output
6C2
IN2
TTL/CMOS-Compatible Input to Buffer
7C1
WPEN
Write Protect Enable. The device is not write protected if WPEN is connected to ground. This pin has
an internal pullup (RWPEN). See Table 6.
8D1
GND
Ground
9D3
MON1
External Analog Input
10
D4
MON2
External Analog Input
11
C4
MON3
External Analog Input
12
D2
L0
Low-End Resistor 0 Terminal. It is not required that the low-end terminals be connected to a potential
less than the high-end terminals of the corresponding resistor. Voltage applied to any of the resistor
terminals cannot exceed the power-supply voltage, VCC, or go below ground.
13
B3
H0
High-End Resistor 0 Terminal. It is not required that the high-end terminals be connected to a
potential greater than the low-end terminals of the corresponding resistor. Voltage applied to any of
the resistor terminals cannot exceed the power-supply voltage, VCC, or go below ground.
14
B4
L1
Low-End Resistor 1 Terminal
15
A4
H1
High-End Resistor 1 Terminal
16
A3
VCC
Supply Voltage
Pin Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1859B-020+ | 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 |
| DS1859B-020+T&R | 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 20KOHM DUAL 16CSBGA - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RES TEMP 20/20K W/3MON 16-BGA |
| DS1859B-020+T&R | 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 |
| DS1859B-020-W | 功能描述:数字电位计 IC 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 |
| DS1859B-050 | 功能描述:数字电位计 IC 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 |
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