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參數(shù)資料
| 型號(hào)： | DS1848B-050+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 17/17頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC RES/MEM TEMP 50/10K 16-BGA |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 810 |
| 接片： | 256 |
| 電阻（歐姆）： | 10k，50k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 850 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 3 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(yīng)商設(shè)備封裝： | 16-CSBGA（4x4） |
| 包裝： | 托盤 |
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DS1848
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The master must terminate the write cycle with a STOP condition or the data clocked into the DS1848
will not be latched into permanent memory.
Acknowledge Polling: Once the internally-timed write has started and the DS1848 inputs are disabled,
acknowledge polling can be initiated. The process involves transmitting a START condition followed by
the device address. The R/W bit signifies the type of operation that is desired. The read or write sequence
will only be allowed to proceed if the internal write cycle has completed and the DS1848 responds with a
zero.
Read Operations: After receiving a matching address byte with the R/W bit set high, the device goes
into the read mode of operation. There are three read operations: current address read, random read, and
sequential address read.
CURRENT ADDRESS READ
The DS1848 has an internal address register that maintains the address used during the last read or write
operation, incremented by one. This data is maintained as long as VCC is valid. If the most recent address
was the last byte in memory, then the register resets to the first address. This address stays valid between
operations as long as power is available.
Once the device address is clocked in and acknowledged by the DS1848 with the R/W bit set to high, the
current address data word is clocked out. The master does not respond with a zero, but does generate a
STOP condition afterwards.
RANDOM READ
A random read requires a dummy byte write sequence to load in the data word address. Once the device
and data address bytes are clocked in by the master and acknowledged by the DS1848, the master must
generate another START condition. The master now initiates a current address read by sending the device
address with the read/write bit set high. The DS1848 will acknowledge the device address and serially
clocks out the data byte.
SEQUENTIAL ADDRESS READ
Sequential reads are initiated by either a current address read or a random address read. After the master
receives the first data byte, the master responds with an acknowledge. As long as the DS1848 receives
this acknowledge after a byte is read, the master may clock out additional data words from the DS1848.
After reaching address FFh, it resets to address 00h.
The sequential read operation is terminated when the master initiates a stop condition. The master does
not respond with a zero.
For a more detailed description of 2-wire theory of operation, refer to the next section.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1848B-050/S+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| DS1848B-050/T&R | 功能描述:數(shù)字電位計(jì) IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1848B-050+ | 功能描述:數(shù)字電位計(jì) IC Dual Temp Controlled NV Variable Resistor RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS1848B-050+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:DGTL POTENTIOMETER 256POS 10KOHM/50KOHM DUAL 16CSBGA - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RES/MEM TEMP 50/10K 16-BGA 制造商:Maxim Integrated Products 功能描述:Digital Potentiometer ICs Dual Temp Controlled NV Variable Resistor |
| DS1848B-050+T&R/S | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
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