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參數(shù)資料
| 型號： | ADV7344 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat Video Encoder Six 14-Bit Noise Shaped Video DACs |
| 中文描述： | 多格式視頻編碼器6 14位噪聲整形視頻DAC |
| 文件頁數(shù)： | 19/88頁 |
| 文件大?。?/td> | 1078K |
| 代理商： | ADV7344 |
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ADV7344
Rev. 0 | Page 19 of 88
Pin No.
44, 43, 42
Mnemonic
DAC 1, DAC 2,
DAC 3
DAC 4, DAC 5,
DAC 6
SCL/MOSI
SDA/SCLK
ALSB/SPI_SS
V
REF
V
AA
V
DD
Input/
Output
O
Description
DAC Outputs. Full and low drive capable DACs.
39, 38, 37
O
DAC Outputs. Low drive only capable DACs.
21
20
19
46
41
10, 56
I
I/O
I
P
P
Multifunctional Pin: I
2
C Clock Input/SPI Data Input.
Multifunctional Pin: I
2
C Data Input/Output. Also, SPI clock input.
Multifunctional Pin: This signal sets up the LSB
2
of the MPU I
2
C address. Also, SPI slave select.
Optional External Voltage Reference Input for DACs or Voltage Reference Output.
Analog Power Supply (3.3 V).
Digital Power Supply (1.8 V). For dual-supply configurations, V
DD
can be connected to other 1.8 V
supplies through a ferrite bead or suitable filtering.
Input/Output Digital Power Supply (3.3 V).
PLL Power Supply (1.8 V). For dual-supply configurations, PV
DD
can be connected to other 1.8 V
supplies through a ferrite bead or suitable filtering.
External Loop Filter for On-Chip PLL 1.
External Loop Filter for On-Chip PLL 2.
PLL Ground Pin.
Analog Ground Pin.
Digital Ground Pin.
Input/Output Supply Ground Pin.
1
34
V
DD_IO
PV
DD
P
P
33
31
32
40
11, 57
64
1
ED = enhanced definition = 525p and 625p.
2
LSB = least significant bit. In the ADV7344, setting the LSB to 0 sets the I
2
C address to 0xD4. Setting it to 1 sets the I
2
C address to 0xD6.
EXT_LF1
EXT_LF2
PGND
AGND
DGND
GND_IO
I
I
G
G
G
G
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