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参数资料
| 型号： | DS1856B-M50+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/31页 |
| 文件大小： | 0K |
| 描述： | IC RES TEMP-CTRL 50/50K 16CSBGA |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 带卷 (TR) |
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Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
Maxim Integrated
21
DS1856
A2D Value1
Mon3 Meas................ <R-all><W-NA><0000h> Unsigned voltage measurement.
Reserved .................... <R-all><W-NA><0000h>
Status ......................... <R-all><W-see bits><conditional>
a)
Rhiz.................... <R-all><W-NA><1b> High when resistor outputs are high impedance.
b)
Soft Hiz.............. <R-all><W-all><0b> Setting this bit will make resistor outputs high
impedance.
c)
Reserved ............ <R-all><W-NA><0b>
d)
TxF ................... <R-all><W-NA><conditional> Reflects the logic level to be output on pin Out1.
e)
RxL ................... <R-all><W-NA><conditional> Reflects the logic level to be output on pin Out2.
f)
Rdyb................... <R-all><W-NA>< VCC dependant > Ready Bar. When the supply is
above the Power-On-Analog (POA) trip point, this bit is active LOW.
Thus, this bit reads a logic One if the supply is below POA or too low
to communicate over the 2-wire bus.
Update ....................... <R-all/W-all><00h> Status of completed conversions. At Power-On,
these bits are cleared and will be set as each conversion is completed.
These bits can be cleared so that a completion of a new conversion
may be verified.
a)
Temp Rdy .......... Temperature conversion is ready.
b)
VCC Rdy............. VCC conversion is ready.
c)
Mon1 Rdy.......... Mon1 conversion is ready.
d)
Mon2 Rdy.......... Mon2 conversion is ready.
e) Mon3 Rdy.......... Mon3 conversion is ready.
Status
Alarm0 ....................... <R-all><W-NA><10h> High Alarm Status bits.
a)
Temp Hi............. High Alarm Status for Temperature measurement.
b)
Temp Lo ............ Low Alarm Status for Temperature measurement.
c)
VCC Hi .............. High Alarm Status for VCC measurement.
d)
VCC Lo .............. Low Alarm Status for VCC measurement. This bit is set when theVCC
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 Alarm Status for MON1 measurement.
f)
MON1 Lo .......... Low Alarm Status for MON1 measurement.
g)
MON2 Hi........... High Alarm Status for MON2 measurement.
h)
MON2 Lo .......... Low Alarm Status for MON2 measurement.
Alarm1 ....................... <R-all><W-NA><00h> Low Alarm Status bits.
a)
MON3 HI........... High Alarm Status for MON3 measurement.
b)
MON3 Lo .......... Low Alarm Status for MON3 measurement.
c)
Mint ................... Maskable Interrupt. If an alarm is present and the alarm is enabled then
this bit is high. Otherwise this bit is a zero.
Reserved .................... <R-all><W-NA><00h>.
Warning0 ................... <R-all><W-NA><00h> High Warning Status bits.
a)
Temp Hi............. High Warning Status for Temperature measurement.
b)
Temp Lo ............ Low Warning Status for Temperature measurement.
c)
VCC Hi ............. High Warning Status for VCC measurement.
Register Descriptions (continued)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1856B-P50+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| DS1856B-P50+T&R | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| DS1856E-002 | 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 |
| DS1856E-002/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856E-002/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
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