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): 5/11頁
文件大小: 70K
代理商: HD49319F
HD49319F
5
Absolute Maximum Ratings
(Ta = 25
°
C)
Item
Symbol
Rated Value
Units
Power supply voltage 1
V
DD(max)
DV
DD2(max)
V
IN(max)
V
REF(max)
V
I(max)
6.0
V
Power supply voltage 2
6.0
V
Input signal
–0.3 to V
DD
+ 0.3
–0.3 to V
DD
+ 0.3
–0.3 to V
DD
+ 0.3
3.1
V
Reference pin voltage
V
Digital input voltage
V
Reference pin voltage difference V
RT
– V
RB
Operating temperature
V
Topr
0 to +70
°
C
°
C
Storage temperature
Notes: 1. V
DD
refers to both AV
DD
and DV
DD
.
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 or 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, V
DD
= 5.0 V, DV
DD2
= 3.3 V,
V
RT
= 3.0 V, V
RB
= 0.0 V, Ta = 25
°
C, and the internal op-amp is unused.)
Item
Symbol
Min
Typ
Max
Units
Measurement Conditions Note
Resolution
RES
9
9
9
bit
Power supply voltage
V
DD
DV
DD2
I
DD1
*
1
I
DD2
*
2
R
REF
4.75
5.00
5.25
V
range
3.0
3.3
V
DD
23
V
Power supply current
18
mA
f
CLK
= 15 MHz , f
IN
= 1 kHz
sine wave
1
3
mA
Reference resistance
300
480
Resistance between, V
RT
and V
RB
V
IN
: 0 to 3 V, f
CLK
= 15 MHz
I
OH
= –2 mA
I
OL
= 2 mA
VRTin = 3.0 V, (When the
op-amp is used)
Analog input current
I
IN
*
3
V
OH
V
OL
VRTin-VRT
–400
400
μ
A
Digital output voltage
V
X
–0.5*
4
DV
DD2
0.5
V
V
Op-amp offset
–30
30
mV
Digital input voltage
V
IH(SLPB)
V
IL(SLP)
V
IH
V
IL
2
V
DD
0.3
V
(SLPB)
0
V
Digital input voltage
2
V
DD
0.8
V
(other than SLPB)
0
V
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