LM9822CCWM National Semiconductor, LM9822CCWM Datasheet - Page 15
LM9822CCWM
Manufacturer Part Number
LM9822CCWM
Description
Manufacturer
National Semiconductor
Datasheet
1.LM9822CCWM.pdf
(22 pages)
Specifications of LM9822CCWM
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Operating Temperature (max)
70C
Package Type
SOIC W
Rad Hardened
No
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM9822CCWM
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM9822CCWMX
Manufacturer:
LATTIC
Quantity:
673
Power-Up Default Register Settings are shown in Bold Italics
Table 2: Configuration Register Parameters
Boost Gain Enable
PGA Gain Value
Offset Polarity
Typical Offset
Offset Value
Parameter
(Address)
Values
Gain
(SIGN
B4(M
B4(M
SB)
• • •
• • •
SB)
B5
B5
B5
0
1
0
0
0
0
0
1
1
1
1
1
0
1
)
Red, Green and Blue Offset DAC Settings (1, 2 & 3)
(MSB)
• • •
• • •
B3
B4
B3
Red, Green and Blue Gain Settings (4, 5 & 6)
0
0
0
1
1
0
0
0
1
1
• • •
• • •
B2
B3
B2
0
0
0
1
1
0
0
0
1
1
Control Bits
• • •
• • •
B1
B2
B1
0
0
0
1
1
0
0
0
1
1
Gain = Boost Gain * PGA Gain
15
B0(LSB)
B0(LSB)
• • •
• • •
B1
0
0
1
1
1
0
0
1
1
1
Boost Gain = 1V/V
Boost Gain = 3V/V
Negative Offset
Positive Offset
(Continued)
Typical Offset = 20LSBs * Offset Value * PGA Gain
PGA Gain (V/V) =.933 + 0.0667 * (PGA Gain Value)
(LSB)
• • •
• • •
B0
0
1
0
0
1
0
1
0
0
1
Typical Offset (with PGA Gain = 1)
12 bit LSBs
Result
+600
+620
0.00
-600
-620
+20
+40
• • •
• • •
-20
-40
0
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