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參數(shù)資料
| 型號(hào)： | HD49315AF |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | CMOS 10-Bit A/D Converter(CMOS 10位A/D轉(zhuǎn)換器) |
| 中文描述： | 的CMOS 10位A / D轉(zhuǎn)換器的CMOS（10位的A / D轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大小： | 78K |
| 代理商： | HD49315AF |
HD49315AF
3
Pin Description
Pin No.
Symbol
Function
Description
I/O
1
D0
Digital output (LSB)
O
2 to 5
D1 to D4
Digital output
O
6, 7
NC
Unused
—
8 to 11
D5 to D8
Digital output
O
12
D9
Digital output (MSB)
O
13
DV
SS
Digital ground (0 V)
Connect this pin in common with AV
SS
external to the IC
—
14
NC
Unused
—
15
DV
DDL
Digital power supply (3.3 V)
Connect this pin in common with AV
DDL
external to the IC
—
16
DV
SS
Digital ground (0 V)
Connect this pin in common with AV
SS
external to the IC
—
17, 18
NC
Unused
—
19
AV
DDL
LINV
Analog power supply (3.3 V)
—
20
H: D0 to D8 invert
L: Normal operation
(0 to DV
DDL
)
H: D9 invert
L: Normal operation
(0 to DV
DDL
)
Conversion clock input
(0 to DV
DDL
)
H: Test mode
L: Normal operation
(0 to DV
DDL
)
H: Standby mode
L: Normal operation
(0 to DV
DDL
)
Unused
Pull-up internal to DV
DDL
I
21
MINV
Pull-up internal to DV
DDL
I
22
CLK
I
23
TEST
Pull-up internal to DV
DDL
I
24
STBY
Pull-up internal to DV
DDL
I
25
NC
—
26
AV
DDH
NC
Analog power supply (4.75 V)
—
27
Unused
—
28
AV
SS
NC
Analog ground (0 V)
—
29
Unused
—
30
VRT
Reference voltage input
(high side: 4.0 V)
Insert a 0.1
μ
F ceramic capacitor between
this pin and AV
SS
Insert a 0.1
μ
F ceramic capacitor between
this pin and AV
SS
Insert a 0.1
μ
F ceramic capacitor between
this pin and AV
SS
I
31 to 33
VR1 to VR3
Center tap for reference
voltage
—
34
VRB
Reference voltage input
(low side: 2.0 V)
I
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