參數(shù)資料
型號(hào): MAX550BD
廠商: Maxim Integrated Products, Inc.
英文描述: Low-Power, +2.5V to +5.5V, 8-Bit Voltage-Output DAC in レMAX
中文描述: 低功耗,2.5V至5.5V,8位電壓輸出DAC最大的レ
文件頁(yè)數(shù): 9/12頁(yè)
文件大?。?/td> 112K
代理商: MAX550BD
M
Low-Power, +2.5V to +5.5V, 8-Bit
Voltage-Output DAC in μMAX
_______________________________________________________________________________________
9
X = Don’t Care
Table 3. Example Input Word
Loaded First
Table 4. Analog Output vs. Code
Note:
1LSB = V
REF
x 2
-8
= V
REF
(1/256)
ANALOG OUTPUT = +V
REF
(I/256), where I = Integer Value of Digital Input and wake up DAC (if previously powered down)
X = Don’t Care
Table 2. Serial-Interface Programming Commands
COMMAND
CONTROL BYTE
DATA BYTE
Loaded First
UB1 UB2 UB3
Loaded Last
D2
D1
C2
C1
C0
AB1 AB2
D7
D6
D5
D4
D3
D0
X
On
CS
’s rising edge, wake up DAC.
DAC register unchanged.
X
X
X
X
X
1
X
X
X
X
X
X
X
X
X
X
Unassigned command
On
CS
’s rising edge, load DAC register.
Wake up DAC (if previously powered
down).
On
CS
’s rising edge, power down DAC.
DAC output goes to zero. DAC register
unchanged.
On
CS
’s rising edge, power down DAC
and update DAC register. DAC output
goes to zero.
X
X
X
0
1
0
0
1
8-bit DAC data
X
X
X
1
0
0
0
1
X
X
X
X
1
1
0
0
1
8-bit DAC data
1
0
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
1
1
0
0
1
0
X
X
X
D0
0
D1
D2
D3
D4
D5
D6
D7
AB2
AB1
C0
C1
C2
UB3
UB2
UB1
Loaded Last
0
0
0
0
0
0
0
0
0
+V
REF
x (1/256)
1
0
0
0
0
0
0
0
+V
REF
x (127/256)
1
1
1
1
1
1
1
0
+V
REF
x (128/256) = +V
REF
/2
0
0
0
0
0
0
0
1
+V
REF
x (129/256)
1
0
0
0
0
0
0
1
+V
REF
x (255/256)
1
1
1
1
1
1
1
1
ANALOG
OUTPUT (V)
D0
D1
D2
D3
D4
D5
D6
D7
DAC REGISTER CONTENTS
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