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参数资料
| 型号： | DS1856B-M50+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/31页 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 50K 256TAPS 16CSBGA |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 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： | 2 线串口 |
| 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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Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
22
Maxim Integrated
DS1856
Table Select
Reserved .................... <R-NA><W-all><00h>
PWE........................... <R-NA><W-all><FFFFFFFFh> Password Entry. There are two
passwords for the DS1856. The lower level password (PW1) has
all the access of a normal user plus those made available with PW1.
The higher level password (PW2) has all of the access of PW1
plus those made available with PW2. The value of the password reside
in EE inside of PW2 memory.
TBL Sel...................... <R-all/W-all><00h> Table Select. The upper memory tables of the
DS1856 are accessible by writing the correct table value in this register.
If the device is configured to have a Table 01h then writing a 00h ora
01h in this byte will access that table.
Config0
Mode.......................... <R-pw2/W-pw2><NV><03h>
a)
TEN.................... At Power-On this bit is HIGH, which enables autocontrol of the LUT.
If this bit is written to a ZERO then the resistor values are writeable by
the user and the LUT recalls are disabled. This allows the user to
interactively test their modules by manually writing resistor values. The
resistors will update with the new value at the end of the write cycle.
Thus both registers (Res0 and Res1) should be written in the same
write cycle. The 2-wire Stop condition is the end of the write cycle.
b)
AEN ................... At Power-On this bit is HIGH, which enables autocontrol of the LUT.
If this bit is cleared to a ZERO then the temperature calculated index
value ( T index ) is writeable by the user and the updates of calculated
indexes are disabled. This allows the user to interactively test their
modules by controlling the indexing for the look-up tables. The recalled
values from the LUTs will appear in the resistor registers after the next
completion of a temperature conversion (just like it would happen in
auto mode). Both pots will update at the same time (just like it would
happen in auto mode).
T Index....................... <R-pw2><W-pw2+AENb><00h> Holds the calculated index based on
the Temperature Measurement. This index is used for the address
during Look-up of Tables 4 and 5.
.
d)
VCC Lo .............. Low Warning Status for VCC measurement. This bit is set when the VCC
supply is below the POA trip point value. It clears itself when a VCC
measurement is completed and the value is above the low threshold.
e)
MON1 Hi........... High Warning Status for MON1 measurement.
f)
MON1 Lo .......... Low Warning Status for MON1 measurement.
g)
MON2 Hi........... High Warning Status for MON2 measurement.
h)
MON2 Lo .......... Low Warning Status for MON2 measurement.
Warning1 ................... <R-all><W-NA><00h> Low warning Status bits.
a)
MON3 HI........... High Warning Status for MON3 measurement.
b)
MON3 Lo........... Low Warning Status for MON3 measurement.
Register Descriptions (continued)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1856B-M50/T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| DS1856B-M50/T&R | 制造商:Maxim Integrated Products 功能描述:DUALTEMP 50K,3MON BGA FULL A0/A2M T - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DGTL POT 50K 2CH 16CSBGA 制造商:Maxim Integrated Products 功能描述:Digital Potentiometer ICs Extremely Acc SPI Bus RTC |
| DS1856B-M50+ | 功能描述:数字电位计 IC DUALTEMP 50K3MON W/FULL AO/A2 MEMORY 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 |
| DS1856B-M50+R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Calibrated Monitors and Password Protection |
| DS1856B-M50+T | 制造商:Maxim Integrated Products 功能描述:DUALTEMP 50K,3MON BGA W/FULL AO/A2 MEMORY - Tape and Reel |
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