參數(shù)資料
型號(hào)： ADC10731
廠商： National Semiconductor Corporation
元件分類： 串行ADC
英文描述： 10-Bit Plus Sign Serial I/O A/D Converters with Mux,
中文描述： 10位帶符號(hào)串行I /辦公自動(dòng)化/ D的復(fù)用轉(zhuǎn)換器，
文件頁(yè)數(shù)： 6/27頁(yè)
文件大?。?/td> 556K
代理商： ADC10731
Electrical Characteristics
(Continued)
The following specifications apply for V
+
= AV
+
= DV
+
= +5.0 V
DC
, V
+ = 2.5 V
, V
= GND, V
= 2.5V for Signed
Characteristics, V
= GND for Unsigned Characteristics and f
= 2.5 MHz unless otherwise specified.
Boldface limits ap-
ply for T
A
= T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
= +25C. (Notes 8, 9, 10)
Symbol
Parameter
Conditions
Typical
(Note 11)
Limits
(Note 12)
Units
(Limits)
REFERENCE INPUT AND MULTIPLEXER CHARACTERISTICS
(Note 15)
Off Channel = 0V
On Channel = 0V and
Off Channel = 5V
0.4
3.0
μA(max)
REFERENCE CHARACTERISTICS
V
REF
Out
Reference Output Voltage
V
REF
/
T
V
REF
Out Temperature Coefficient
V
REF
/
I
L
Load Regulation, Sourcing
V
REF
/
I
L
Load Regulation, Sinking
Line Regulation
I
SC
Short Circuit Current
2.5V
±
0.5%
±
40
±
0.003
±
0.2
±
0.3
13
2.5V
±
2%
V(max)
ppm/C
%/mA(max)
%/mA(max)
mV(max)
mA(max)
0 mA
≤
I
L
≤
+4 mA
0 mA
≤
I
L
≤
1 mA
5V
±
10%
V
REF
Out = 0V
10 Hz to 10 kHz,
C
L
= 100 μF
±
0.05
±
0.6
±
2.5
22
Noise Voltage
5
μV
V
REF
/
t
t
SU
DIGITAL AND DC CHARACTERISTICS
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
I
IN(1)
Logical “1” Input Current
I
IN(0)
Logical “0” Input Current
V
OUT(1)
Logical “1” Output Voltage
Long-term Stability
Start-Up Time
±
120
100
ppm/kHr
ms
C
L
= 100 μF
V
+
= 5.5V
V
+
= 4.5V
V
IN
= 5.0V
V
IN
= 0V
V
+
= 4.5V, I
OUT
= 360 μA
V
+
= 4.5V, I
OUT
= 10 μA
V
+
= 4.5V, I
OUT
= 1.6 mA
V
OUT
= 0V
V
OUT
= 5V
V
OUT
= 0V, V
+
= 4.5V
V
OUT
= V
+
= 4.5V
CS = HIGH, Power Up
CS = HIGH, Power Down
CS = HIGH, Power Down,
and CLK Off
CS = HIGH, Power Up
CS = HIGH, Power Down
V
REF
+ = +2.5V and
CS = HIGH, Power Up
2.0
0.8
+2.5
2.5
2.4
4.5
0.4
3.0
+3.0
15
15
1.3
0.4
50
V(min)
V(max)
μA(max)
μA(max)
V(min)
V(min)
V(min)
μA(max)
μA(max)
mA(min)
mA(min)
mA(max)
mA(max)
μA(max)
0.005
0.005
V
OUT(0)
I
OUT
Logical “0” Output Voltage
TRI-STATE Output Current
0.1
+0.1
30
30
0.9
0.2
0.5
+I
SC
I
SC
I
D
+
Output Short Circuit Source Current
Output Short Circuit Sink Current
Digital Supply Current
(Note 17)
I
A
+
Analog Supply Current
(Note 17)
Reference Input Current
2.7
3
6.0
15
0.6
mA(max)
μA(max)
mA(max)
I
REF
AC CHARACTERISTICS
f
CLK
Clock Frequency
3.0
5
2.5
MHz(max)
kHz(min)
%(min)
%(max)
Clock
Cycles
μs(max)
Clock
Cycles
μs(max)
Clock Duty Cycle
40
60
12
t
C
Conversion Time
12
5
5
t
A
Acquisition Time
4.5
4.5
2
2
www.national.com
6
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