The four digital inputs (Din, RSin" />
參數(shù)資料
型號(hào)： DS1852B-000
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 25/26頁(yè)
文件大?。?/td> 0K
描述： IC MONITOR TXRX OPTICAL 25-BGA
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 640
類型： 收發(fā)器
電源電壓： 2.7 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 25-TFBGA，CSPBGA
供應(yīng)商設(shè)備封裝： 25-BGA（5x5）
包裝： 托盤
DS1852
8 of 26
DIGITAL INPUTS
The four digital inputs (Din, RSin, Fin, and Lin) can be read through the 2-wire bus. The logic levels at
these inputs are mirrored in the “l(fā)ogic states” byte (6Eh) in Table 00h.
2-WIRE OPERATION
Clock and Data Transitions
The SDA pin is normally pulled high with an external resistor or device. Data on the SDA pin may only
change during SCL low time periods. Data changes during SCL high periods will indicate a start or stop
conditions depending on the conditions discussed below. See Figure 2 for further details.
Start Condition
A high-to-low transition of SDA with SCL high is a start condition that must precede any other
command. See Figure 2 for further details.
Stop Condition
A low-to-high transition of SDA with SCL high is a stop condition. After a read sequence, the stop
command places the DS1852 into a low-power mode. See Figure 2 for further details.
Acknowledge Bit
All address bytes and data bytes are transmitted through a serial protocol. The DS1852 pulls SDA low
during the ninth clock pulse to acknowledge that it has received each word.
Standby Mode
The DS1852 features a low-power mode that is automatically enabled after power-on, after a stop
command, and after the completion of all internal operations.
2-Wire Interface Reset
After any interruption in protocol, power loss, or system reset, the following steps reset the DS1852:
1) Clock up to nine cycles.
2) Look for SDA high in each cycle while SCL is high.
3) Create a start condition while SDA is high.
Device Addressing
The DS1852 must receive an 8-bit device address word following a start condition to enable a specific
device for a read or write operation. The address word is clocked into the DS1852 MSB to LSB. The
address word defaults to A0h then the R/W (READ/WRITE) bit when ASEL is a logic zero. If the R/W
bit is high, a read operation is initiated. If R/W is low, a write operation is initiated. The device address
is changed to the internal chip address (Table 03h address D0h) when ASEL is logic one. The default
internal chip address from the factory is A2h.
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參數(shù)描述
DS1852B-000/C 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
DS1852B-000/T&R 制造商:Maxim Integrated Products 功能描述:IC MONITOR TXRX OPTICAL 25-BGA
DS1852B-000/T&R 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
DS1852B-000+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Optical Transceiver Diagnostic Monitor RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
DS1852B-000+T&R 制造商:Maxim Integrated Products 功能描述:OPTICAL TRNSCVR 25BGA - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MONITOR TXRX OPTICAL 25-BGA 制造商:Maxim Integrated Products 功能描述:Data Converter ICs - Various Optical Transceiver Diagnostic Monitor
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