參數(shù)資料
型號(hào): MCP4728EV
廠商: Microchip Technology
文件頁數(shù): 20/33頁
文件大?。?/td> 0K
描述: BOARD EVAL 12BIT 4CH DAC MCP4728
視頻文件: MCP4728 Evaluation Board Demo
標(biāo)準(zhǔn)包裝: 1
DAC 的數(shù)量: 4
位數(shù): 12
數(shù)據(jù)接口: I²C
設(shè)置時(shí)間: 6µs
DAC 型: 電壓
工作溫度: -40°C ~ 125°C
已供物品:
已用 IC / 零件: MCP4728
產(chǎn)品目錄頁面: 673 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: MCP4728T-E/UN-ND - IC DAC 12BIT W/I2C 10-MSOP
MCP4728-E/UN-ND - IC DAC 12BIT W/I2C 10-MSOP
2010 Microchip Technology Inc.
DS22187E-page 27
MCP4728
4.9
DAC Input Code Vs. DAC Analog
Output
Table 4-6 shows an example of the DAC input data
code vs. analog output. The MSB of the input data is
always transmitted first and the format is unipolar
binary.
TABLE 4-5:
LDAC AND UDAC
CONDITIONS VS. OUTPUT
UPDATE
LDAC Pin UDAC Bit
DAC Output (VOUT)
00
Update all DAC channel
outputs
01
Update all DAC channel
outputs
10
Update a selected DAC
channel output
11
No update
TABLE 4-6:
DAC INPUT CODE VS. ANALOG OUTPUT (VOUT)
DAC Input Code
VREF = Internal (2.048 V)
VREF = VDD
Gain
Selection
Nominal Output Voltage (V)
(See Note 1)
Gain
Selection
Nominal Output Voltage (V)
111111111111
x1
VREF - 1 LSB
Ignored
VDD - 1 LSB
x2
2*VREF - 1 LSB
111111111110
x1
VREF - 2 LSB
VDD - 2 LSB
x2
2*VREF - 2 LSB
000000000010
x1
2 LSB
x2
2 LSB
000000000001
x1
1 LSB
x2
1 LSB
000000000000
x1
0
x2
0
Note 1:
(a) LSB with gain of 1 = 0.5 mV, and (b) LSB with gain of 2 = 1 mV.
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