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參數(shù)資料
| 型號： | HD49319F |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | CMOS 9-Bit A/D Converter(CMOS 9位A/D轉(zhuǎn)換器) |
| 中文描述： | 的CMOS 9位A / D轉(zhuǎn)換器的CMOS（9位的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 3/11頁 |
| 文件大小： | 70K |
| 代理商： | HD49319F |
HD49319F
3
Pin Description
Pin No.
Symbol
Function
1, 2
NC
Unused
3 to 5
D2 to D4
Digital output
6
NC
Unused
7 to 9
D5 to D7
Digital output
10
D8
Digital output (MSB)
11 to 14
NC
RST
Unused
15
Reset signal input
16
DV
DD
AV
SS
AV
DD
VRTin
Digital power supply (+5 V), Connect this pin in common with AV
DD
external to the IC.
Analog ground (0 V)
17, 18
19, 20
Analog power supply (5 V)
21
Reference voltage op-amp input (high side: +3 V or 0 V). When the internal op-amp
is used, input +3 V to this pin. When unused, connect to AV
SS
.
Reference voltage input (high side: +3 V). When the internal op-amp is used, insert
both a 0.1
μ
F ceramic capacitor and an over 10
μ
F chemical capacitor between this
pin and AV
SS
. When unused, apply +3.0 V to this pin.
Unused
22
VRT
23 to 25
NC
26 to 28
VR1 to
VR3
Reference voltage intermediate taps. Insert 0.1
μ
F capacitors between these pins
and AV
SS
.
Reference voltage input (low side: 0 V). Apply a 0 V reference voltage, or connect to
AV
SS
.
Unused
29
VRB
30
NC
31
V
IN
AV
SS
AV
DD
NC
Analog signal input (0 to +3 V)
32, 33
Analog ground (0 V)
34, 35
Analog power supply (+5 V)
36 to 37
Unused
38
SLPB
Sleep mode control input
H: Normal operating mode
L: Sleep mode
39
GRY
Output code selection input
H: Gray code
L: Binary code
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相關(guān)代理商/技術(shù)參數(shù) |
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| HD49322BF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 10-Bit |
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