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參數(shù)資料
| 型號： | 7672 |
| 廠商： | Maxwell Technologies, Inc |
| 英文描述： | 12-Bit A/D Converter |
| 中文描述： | 12位A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大小： | 247K |
| 代理商： | 7672 |
M
3
All data sheets are subject to change without notice
2002 Maxwell Technologies
All rights reserved.
12-Bit A/D Converter
7672
08.09.02 REV 13
T
ABLE
3. 7672 R
ECOMMENDED
O
PERATING
C
ONDITIONS
P
ARAMETER
S
UBGROUPS
S
YMBOL
M
IN
M
AX
U
NITS
Positive Supply Voltage
Negative Supply Voltage
V
REF
Input Range
Power Dissipation V
DD
= 5V, V
SS
= -12V
1
1
1
1
V
DD
V
SS
V
REF
P
D
4.75
-13.2
-5.05
--
5.25
-10.8
-4.95
179
V
V
V
mW
T
ABLE
4. 7672 DC E
LECTRICAL
C
HARACTERISTICS
(V
DD
= 5V ±5%, V
SS
= -12V ±10%, V
REF
= -5V, T
A
= -55
TO
125 °C
UNLESS
OTHERWISE
SPECIFIED
)
P
ARAMETER
S
YMBOL
T
EST
C
ONDITION
S
UBGROUPS
M
IN
M
AX
U
NITS
Input Low Voltage
V
IL
V
IH
V
OL
V
OH
I
IN
1, 2, 3
--
0.8
V
Input High Voltage
1, 2, 3
2.4
--
V
Output Low Voltage
I
SINK
= 1.6 mA
I
SOURCE
= -200 μA
(CS,RD) V
IN
= V
DD
or GND
(CLKIN) V
IN
= V
DD
or GND
(D0-D11) V
OUT
= V
DD
or GND
1, 2, 3
--
0.4
V
Output High Voltage
1, 2, 3
4.0
--
V
Input Leakage Current
1, 2, 3
--
--
±10
±20
μA
Output Leakage Current
I
LKG
C
IN
C
OUT
I
DD
I
SS
1, 2, 3
--
±10
μA
Input Capacitance
1
--
10
pF
Floating State Output Capacitance
2
--
15
pF
Power Supply Current
1, 2, 3
--
--
7
-12
mA
Power Supply Rejection, V
DD
PSRR (V
DD
) V
DD
= 4.75 to 5.25 volts
V
SS
= -12V
PSRR (V
SS
) V
SS
= -10.8 to -13.2 volts
V
DD
= 5V
I
AIN
Unipolar Range: 0 to 5 V, 10V
Bipolar Range: ±5V
1, 2, 3
--
±1
LSB
Power Supply Rejection, V
SS
1, 2, 3
--
±1
LSB
Analog Input Current (AIN1 or AIN2)
1, 2, 3
--
--
±3.5
±1.75
mA
V
REF
Input Range
1
V
REF
Input Current
Resolution
V
REF
I
REF
RES
1, 2, 3
-5.05
-4.95
V
1, 2, 3
--
±3
μA
T
A
= -55 to +125°C
T
A
= +25 °C
T
A
= -55 to +125°C
12 bits, no missing codes
T
A
= -55 to +125
°
C
T
A
= +25
°
C
T
A
= -55 to +125
°
C
T
A
= +25
°
C
T
A
= -55 to +125
°
C
1, 2, 3
12
--
bits
Integral Nonlinearity
INL
1
2, 3
--
--
±1
±1
LSB
Differential Nonlinearity
DNL
1, 2, 3
--
±0.9
LSB
Unipolar Offset Error
UOE
1
2, 3
--
--
±5
±6
LSB
Unipolar Gain Error
UGE
1
2, 3
--
--
±5
±7
LSB
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