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    參數(shù)資料
    

    


    


    
型號：
MCP4716A0T-E/CH

    

    
廠商：
Microchip Technology

    

    
文件頁數(shù)：
47/86頁

    

    
文件大?。?/td>
0K

    

    
描述：
IC DAC 10BIT NV EEP I2C SOT-23-6

    

    
標準包裝：
1

    

    
設置時間：
6µs
    		

    

    
位數(shù)：
10
    		

    

    
數(shù)據(jù)接口：
EEPROM，I²C，串行
    		

    

    
轉換器數(shù)目：
1
    		

    

    
電壓電源：
單電源
    		

    

    
功率耗散（最大）：
452mW
    		

    

    
工作溫度：
-40°C ~ 125°C
    		

    

    
安裝類型：
表面貼裝
    		

    

    
封裝/外殼：
SOT-23-6
    		

    

    
供應商設備封裝：
SOT-23-6
    		

    

    
包裝：
標準包裝

    

    
輸出數(shù)目和類型：
1 電壓，單極
    		

    

    
采樣率（每秒）：
*
    		

    

    
其它名稱：
MCP4716A0T-E/CHDKR
    		

    

    

    

	
    
    
    

    
    
	
     2011-2012 Microchip Technology Inc.
    DS22272C-page 51
    MCP4706/4716/4726
    6.2
    Write Volatile Memory
    (C2:C0 = 010)
    This Write command is used to update the volatile DAC
    register value and Configuration bits. The EEPROM is
    not affected by this command. Figure 6-2 shows an
    example of this Write command.
    The volatile DAC register and Configuration bits are
    updated with the written date at the completion of the
    ACK bit (falling edge of SCL).
    After this ACK bit, the I2C master should generate a
    Stop bit or the I2C master can repeat the 2nd
    (3 command bits + 5 Configuration bits), and the 3rd
    byte (8 data bits (b15:b08)), and the 4th byte (8 data
    bits (b07:b00)). Repeating the 2nd through 4th bytes
    allows a continuous command where the volatile DAC
    register and Configuration bits can be updated without
    the communication overhead of the device addressing
    byte (1st byte).
    FIGURE 6-2:
    Write Volatile Memory Command.
    Device Addressing
    Data bits (8 bits) (3rd byte)
    Note 1: The device updates VOUT at the falling edge of the SCL at the end of this ACK pulse.
    Note 1
    2: The 2nd-4th bytes can be repeated after the 4th byte by continued clocking before issuing Stop bit.
    Command
    3: ACK bit generated by MCP47X6.
    Note 2
    b15 b14 b13 b12 b11 b10 b09 b08 b07 b06 b05 b04 b03 b02 b01 b00
    MCP4726
    D11 D10 D09 D08 D07 D06 D05 D04 D03 D02 D01 D00
    X
    MCP4716
    D09 D08 D07 D06 D05 D04 D03 D02 D01 D00
    X
    MCP4706
    D07 D06 D05 D04 D03 D02 D01 D00
    X
    SDA
    SCL
    A2 A1 A0
    1
    00
    01
    PD1 PD0
    G
    0 b15 b14 b13 b12 b11 b10 b09 b08
    0
    Ref.
    Data bits (16 bits) (3rd + 4th bytes)
    Start bit
    ACK bit (3)
    Read/Write bit (Write)
    Stop bit
    S
    A
    R/W
    A
    Power-
    bits
    Down
    bits
    ACK bit (3)
    Legend:
    X
    = don’t care
    D11:D00 = 12-bit data for MCP4726 device
    D09:D00 = 10-bit data for MCP4716 device
    D07:D00 = 8-bit data for MCP4706 device
    0
    VREF1
    VREF0
    Data bits (8 bits) (4th byte)
    b07 b06 b05 b04 b03 b02 b01 b00
    0
    A
    P
    ACK bit (3)
    Voltage
    Select
    bits
    Gain
    bit
    
    
    
    
    
    


    


    

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