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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)： | 6/12頁(yè) |
| 文件大?。?/td> | 78K |
| 代理商： | HD49315AF |
HD49315AF
6
Absolute Maximum Ratings
(Ta = 25
°
C)
Item
Symbol
Rating
Units
Power supply voltage
V
DD(max)
V
IN(max)
V
REF(max)
V
I(max)
V
RT
– V
RB
P
D(max)
Topr
6.0
V
Analog input pin voltage
–0.3 to AV
DDH
+ 0.3
–0.3 to AV
DDH
+ 0.3
–0.3 to DV
DDL
+ 0.3
2.5
V
Reference pin voltage
V
Digital input voltage
V
Reference pin voltage difference
V
Power dissipation
400
mW
Operating temperature
–10 to +85
°
C
°
C
Storage temperature
Notes: 1. V
DD
refers to AV
DDH
, AV
DDL
, and DV
DDL
.
2. Connect AV
and DV
to a common point outside the IC. If AV
and DV
are separated by
a noise filter, make sure that their voltages differ by less than 0.3 V on power up, and by less
than 0.1 V during operation.
3. Connect AV
SS
and DV
SS
to a common point outside the IC.
Tstg
–55 to +125
Electrical Characteristics
(Unless otherwise specified, Ta = 25
°
C, AV
DDH
= 4.75 V,
AV
DDL
= 3.3 V, DV
DDL
= 3.3 V, V
RT
= 4.0 V, V
RB
= 2.0 V, R
EXT
= 39 k
)
Item
Symbol
Min
Typ
Max
Units
Test conditions
Resolution
RES
10
10
10
bit
Power supply
voltage range
V
DDH
4.50
4.75
5.25
V
V
=
3.3 V
f
=
15 MHz
(duty 50%),
V
DDL
2.7
3.3
V
DDH
V
V
=
4.75 V
f
=
3.751 MHz
sine wave
Supply current
I
DDH
*
1
I
DDL
*
2
—
16.0
20.0
mA
f
IN
=
1 kHz sine wave,
f
CLK
=
15 MHz (duty 50%)
V
IN
= 2 Vp-p
CLK: 0 V fixed
—
11.8
15.0
mA
Standby current
I
STBYH
*
1
I
STBYL
*
2
R
REF
—
—
100
μ
A
μ
A
—
—
100
Other digital I/O pins open
Reference
resistance
400
620
—
Resistance between V
RT
and
V
RB
Input range
V
INp-p
*
3
E
OB
*
4
1.95
—
2.08
V
Offset voltage
–50
—
+50
mV
Bottom side
Analog input current I
IN
*
5
–8
—
+8
μ
A
f
CLK
= 15 MHz
V
IN
= 2 to 4 V: DC voltage
Analog input
capacitance
C
IN
*
6
—
(10)
—
pF
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