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參數(shù)資料
| 型號： | MB86029 |
| 廠商： | Fujitsu Limited |
| 英文描述： | TV/VCR D/A Converter (3 ch, 8 bit) |
| 中文描述： | 電視/錄像機D / A轉換（3通道，8位） |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 433K |
| 代理商： | MB86029 |
9
MB86029
I
OUTPUT VOLTAGE CALCULATION
The DAC output voltage can be calculated from the load resistance, external resistors, and reference voltage
values.
V
O
[mV] = R
L
[
] x (
x
X
+
x B) x V
RIN
[V]
X
B
=$00 to $FF digital signal input code
=0 (Without Pedestal voltage)
=1 (With pedestal voltage)
=0.16 (Constant)
=2.56 (Constant)
=Load resistance
R
FS
, R
PED
= External resistors
V
RIN
=Reference voltage
K
FS
K
PED
R
L
I
OUTPUT VOLTAGE CHARACTERISTICS
1.
With Pedestal
Table of equation for output voltage code
Output waveform chart
2.
Without Pedestal
Table of equation for output voltage code
Output waveform chart
K
FS
R
FS
[k
]
K
PED
R
PED
[k
]
Output voltage
800.0 mV
Code
$FF
BLANK
"H"
425.1 mV
47.2 mV
0.0 mV
$80
$00
$00
"H"
"H"
"L"
[Condition] R
FS
= R
PED
= 5.1 k
, V
RIN
= 2.5 V, R
L
= 75
(According to the above conditions, 1 LSB = approx. 3.0 mV)
White level
Pedestal voltage
Black level
Blank level
Output voltage
752.8 mV
Code
$FF
BLANK
"L"
377.9 mV
0.0 mV
$80
$00
"L"
"L"
[Condition] R
FS
= R
PED
= 5.1 k
, V
RIN
= 2.5 V, R
L
= 75
(According to the above conditions, 1 LSB = approx. 3.0 mV)
White level
Black level
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