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參數(shù)資料
| 型號(hào)： | CAV414 |
| 廠商： | AME, Inc. |
| 英文描述： | Converter IC for Capacitive Signals |
| 中文描述： | 轉(zhuǎn)換器集成電路電容信號(hào) |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 78K |
| 代理商： | CAV414 |
Converter IC for Capacitive Signals
CAV414
analog microelectronics
January 2001
3/6
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Voltage Reference
V
M
Voltage
V
M
1.90
2
2.15
V
V
M
vs. Temperature
d
V
M
/d
T
T
amb
= –40...+85°C
±
90
ppm/°C
Current
I
VM
Source
5
μ
A
I
VM
Sink
-5
μ
A
Load Capacitance
C
VM
80
100
120
nF
Instrumentation Amplifier Input Stage
Internal Gain
G
IA
4.9
5
5.1
Differential Range
V
IN
0
400
mV
Common Mode Input Range
CMIR
V
CC
< 9V,
I
CV
< 2mA
V
CC
≥
9V,
I
CV
< 2mA
1.5
V
CC
- 3
V
CMIR
1.5
6.0
V
Common Mode Rejection Ratio
CMRR
80
90
dB
Power Supply Rejection Ratio
PSRR
I
OUT
≤
1mA
80
90
dB
Offset Voltage
V
OS
±
1.5
±
6
mV
V
OS
vs. Temperature
d
V
OS
/d
T
±
5
μ
V/°C
Output Stage
Adjustable Gain
G
OP
1
Input Range
IR
V
CC
< 11V
V
CC
≥
11V
I
OUT
≤
1mA
0
V
CC
- 5
V
IR
0
6
V
Power Supply Rejection Ratio
PSRR
80
90
dB
Offset Voltage
V
OS
±
0.5
±
2
mV
V
OS
vs. Temperature
d
V
OS
/d
T
±
3
±
7
μ
V/°C
Input Bias Current
I
B
10
25
nA
I
B
vs. Temperature
d
I
B
/d
T
7
20
pA/°C
Output Voltage Range
V
OUT
V
CC
< 19V
V
CC
≥
19V
V
CC
≥
10V
0
V
CC
- 5
V
V
OUT
0
14
V
Output Current Limitation
I
LIM
5
7
10
mA
Output Current
I
OUT
0
I
LIM
mA
Load Resistance
R
L
2
k
Load Capacitance
C
L
500
nF
Protection Functions
Protection Against Reverse Polarity
Ground
vs.
V
CC
vs.
V
OUT
35
V
Note:
1)
The oscillator capacity has to be chosen in the following way:
C
OSC
= 1.6
C
X
1
2)
The capacitor range of
C
X
1
and
C
X
2
can be extended whereby the system performance is reduced and the electrical
limits are exceeded.
3)
Currents flowing into the IC, are negative.
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