参数资料
型号: LM9823CCWM/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封装: 0.300 INCH, PLASTIC, SOIC-28
文件页数: 7/22页
文件大小: 238K
代理商: LM9823CCWM/NOPB
15
www.national.com
Red, Green and Blue Offset DAC Settings (1, 2 & 3)
Offset Polarity
B5
0
1
Positive Offset
Negative Offset
Offset Value
B4(MSB)
B3
B2
B1
B0(LSB)
Typical Offset = 20LSBs * Offset Value * PGA Gain
Typical Offset
Values
B5
(SIGN)
0
0
0
1
1
B4
(MSB)
0
0
1
0
1
B3
0
0
1
0
1
B2
0
0
1
0
1
B1
0
0
1
1
0
1
1
B0
(LSB)
0
1
0
0
1
0
1
0
0
1
Typical Offset (with PGA Gain = 1)
12 bit LSBs
0.00
+20
+40
+600
+620
0
-20
-40
-600
-620
Red, Green and Blue Gain Settings (4, 5 & 6)
Boost Gain Enable
B5
0
1
Boost Gain = 1V/V
Boost Gain = 3V/V
PGA Gain Value
B4(MSB)
B3
B2
B1
B0(LSB)
PGA Gain (V/V) =.933 + 0.0667 * (PGA Gain Value)
Gain
Gain = Boost Gain * PGA Gain
Typical Gain Values
B5
(x3)
0
0
0
1
1
B4
(MSB)
0
0
1
0
1
B3
0
0
1
0
1
B2
0
0
1
0
1
B1
0
0
1
0
1
0
1
0
1
B0
(LSB)
0
1
0
1
0
1
0
1
0
1
0
1
Typical Gain
(V/V)
0.93
1.00
1.07
2.87
2.93
3.00
2.79
3.00
3.20
8.60
8.80
9.00
Table 2: Configuration Register Parameters (Continued)
Note: Power-Up Default Register Settings are shown in Bold Italics
Parameter
(Address)
Control Bits
Result
L
M
9
823
相关PDF资料
PDF描述
LM9823CCWMX/NOPB SPECIALTY ANALOG CIRCUIT, PDSO28
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