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CAV414 データシート(PDF) 3 Page - Analog Microelectronics

部品番号 CAV414
部品情報  Converter IC for Capacitive Signals
PDF  6 Pages
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メーカー  AME [Analog Microelectronics]
ホームページ  http://www.ame.com.tw/
Logo AME - Analog Microelectronics

CAV414 データシート(HTML) 3 Page - Analog Microelectronics

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Converter IC for Capacitive Signals
CAV414
analog microelectronics
January 2001
3/6
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Voltage Reference VM
Voltage
VM
1.90
2
2.15
V
VM vs. Temperature
dVM /dTTamb = –40...+85°C
±
90
ppm/°C
Current
IVM
Source
5
µA
IVM
Sink
-5
µA
Load Capacitance
CVM
80
100
120
nF
Instrumentation Amplifier Input Stage
Internal Gain
GIA
4.9
5
5.1
Differential Range
VIN
0
400
mV
Common Mode Input Range
CMIR
VCC < 9V, ICV < 2mA
1.5
VCC - 3
V
CMIR
VCC ≥ 9V, ICV < 2mA
1.5
6.0
V
Common Mode Rejection Ratio
CMRR
80
90
dB
Power Supply Rejection Ratio
PSRR
IOUT ≤ 1mA
80
90
dB
Offset Voltage
VOS
±
1.5
±
6mV
VOS vs. Temperature
dVOS /dT
±
5
µV/°C
Output Stage
Adjustable Gain
GOP
1
Input Range
IR
VCC < 11V
0
VCC - 5
V
IR
VCC ≥ 11V
06
V
Power Supply Rejection Ratio
PSRR
IOUT ≤ 1mA
80
90
dB
Offset Voltage
VOS
±
0.5
±
2mV
VOS vs. Temperature
dVOS /dT
±
3
±
7
µV/°C
Input Bias Current
IB
10
25
nA
IB vs. Temperature
dIB /dT
720
pA/°C
Output Voltage Range
VOUT
VCC < 19V
0
VCC - 5
V
VOUT
VCC ≥ 19V
014
V
Output Current Limitation
ILIM
VCC ≥ 10V
57
10
mA
Output Current
IOUT
0
ILIM
mA
Load Resistance
RL
2
k
Ω
Load Capacitance
CL
500
nF
Protection Functions
Protection Against Reverse Polarity
Ground vs. VCC vs. VOUT
35
V
Note:
1)
The oscillator capacity has to be chosen in the following way: COSC = 1.6 ⋅ CX1
2)
The capacitor range of CX1 and CX2 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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