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參數(shù)資料
| 型號： | LC89080 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Video Signal 3-Channel 8-Bit D/A Converter(視頻信號電流輸出3通道8位D/A轉(zhuǎn)換器) |
| 中文描述： | 視頻信號3通道8位D / A轉(zhuǎn)換器（視頻信號電流輸出3通道8位的D / A轉(zhuǎn)換器） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 106K |
| 代理商： | LC89080 |
Pin Assignment LC89080Q (QFP48A)
No. 4030-4/8
LC89080, 89080Q
Pin No.
Symbol
Description
1 to 3
DA5 to 7
Channel A digital input
4
DA8
Channel A digital input (LSB)
5
DB1
Channel B digital input (MSB)
6
NC
Unused (no connection)
7 to 12
DB2 to DB7
Channel B digital input
13
DB8
Channel B digital input (LSB)
14
DC1
Channel C digital input (MSB)
15 to 18
DC2 to DC5
Channel C digital input
19
DV
DD
DC6
Digital system power supply (+5 V)
20
Channel C digital input
21
DC7
Channel C digital input
22
DC8
Channel C digital input (LSB)
23
CLK
Clock input
24
NC
Unused (no connection)
25
DV
DD
DGND
Digital system power supply (+5 V)
26
Digital system ground (0 V)
Channel C negative output. Connect to A.GND through an output resistor R
O
(usually 75
).
Channel C positive output. Connect to A.GND through an output resistor R
O
(usually 75
).
Analog system power supply (+5 V)
27
ICOB
28
ICO
29
AV
DD
AV
DD
IBOB
30
Analog system power supply (+5 V)
Channel B negative output. Connect to A.GND through an output resistor R
O
(usually 75
).
Channel B positive output. Connect to A.GND through an output resistor R
O
(usually 75
).
Analog system ground (0 V)
Channel A negative output. Connect to A.GND through an output resistor R
O
(usually 75
).
Channel A positive output. Connect to A.GND through an output resistor R
O
(usually 75
).
Analog system power supply (+5 V)
31
32
IBO
33
AGND
34
IAOB
35
IAO
36
AV
DD
COMP
37
Phase compensation capacitor. Connect a 1 μF capacitor between this pin and ground.
38
NC
Unused (no connection)
39
I
REF
V
REF
IN
Reference current output. Connect a resistor that is 4 times the output resistance R
O
to this pin.
Reference voltage input. This input pin sets the analog output dynamic range.
40
41
V
REF
OUT
Reference voltage output. The output voltage is set to 0.2 times V
DD
by a resistor divider.
When V
DD
is 5.0 V, a 1.0 V reference voltage can be acquired from pin 40.
Digital system ground (0 V)
42
DGND
43
DV
DD
DV
DD
DA1
Digital system power supply (+5 V)
44
Digital system power supply (+5 V)
45
Channel A digital input (MSB)
46 to 48
DA2 to DA4
Channel A digital input
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