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參數(shù)資料
| 型號(hào)： | LC89080 |
| 元件分類： | DAC |
| 英文描述： | TRIPLE, PARALLEL, 8 BITS INPUT LOADING, 8-BIT DAC, PDIP42 |
| 封裝： | SDIP-42 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 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
DVDD
Digital system power supply (+5 V)
20
DC6
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
DVDD
Digital system power supply (+5 V)
26
DGND
Digital system ground (0 V)
27
ICOB
Channel C negative output. Connect to A.GND through an output resistor RO (usually 75 ).
28
ICO
Channel C positive output. Connect to A.GND through an output resistor RO (usually 75 ).
29
AVDD
Analog system power supply (+5 V)
30
AVDD
Analog system power supply (+5 V)
31
IBOB
Channel B negative output. Connect to A.GND through an output resistor RO (usually 75 ).
32
IBO
Channel B positive output. Connect to A.GND through an output resistor RO (usually 75 ).
33
AGND
Analog system ground (0 V)
34
IAOB
Channel A negative output. Connect to A.GND through an output resistor RO (usually 75 ).
35
IAO
Channel A positive output. Connect to A.GND through an output resistor RO (usually 75 ).
36
AVDD
Analog system power supply (+5 V)
37
COMP
Phase compensation capacitor. Connect a 1 F capacitor between this pin and ground.
38
NC
Unused (no connection)
39
IREF
Reference current output. Connect a resistor that is 4 times the output resistance RO to this pin.
40
VREFIN
Reference voltage input. This input pin sets the analog output dynamic range.
41
VREFOUT
Reference voltage output. The output voltage is set to 0.2 times VDD by a resistor divider.
When VDD is 5.0 V, a 1.0 V reference voltage can be acquired from pin 40.
42
DGND
Digital system ground (0 V)
43
DVDD
Digital system power supply (+5 V)
44
DVDD
Digital system power supply (+5 V)
45
DA1
Channel A digital input (MSB)
46 to 48
DA2 to DA4
Channel A digital input
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