CAV414 Datasheet, PDF (3/6 Pages) Analog Microelectronics – Converter IC for Capacitive Signals

Converter IC for Capacitive Signals CAV414
Parameter
Symbol
Voltage Reference VM
Voltage
VM vs. Temperature
Current
VM
dVM /dT
IVM
IVM
Load Capacitance
CVM
Instrumentation Amplifier Input Stage
Internal Gain
Differential Range
Common Mode Input Range
GIA
VIN
CMIR
CMIR
Common Mode Rejection Ratio
CMRR
Power Supply Rejection Ratio
PSRR
Offset Voltage
VOS
VOS vs. Temperature
dVOS /dT
Output Stage
Adjustable Gain
GOP
Input Range
IR
IR
Power Supply Rejection Ratio
PSRR
Offset Voltage
VOS
VOS vs. Temperature
dVOS /dT
Input Bias Current
IB vs. Temperature
Output Voltage Range
IB
dIB /dT
VOUT
VOUT
Output Current Limitation
ILIM
Output Current
IOUT
Load Resistance
RL
Load Capacitance
CL
Protection Functions
Protection Against Reverse Polarity
Conditions
Tamb = –40...+85°C
Source
Sink
VCC < 9V, ICV < 2mA
VCC ≥ 9V, ICV < 2mA
IOUT ≤ 1mA
VCC < 11V
VCC ≥ 11V
IOUT ≤ 1mA
VCC < 19V
VCC ≥ 19V
VCC ≥ 10V
Ground vs. VCC vs. VOUT
Min.
1.90
80
4.9
0
1.5
1.5
80
80
1
0
0
80
0
0
5
0
2
Typ.
Max.
Unit
2
2.15
V
±90
ppm/°C
5
µA
-5
µA
100
120
nF
5
5.1
400
mV
VCC - 3
V
6.0
V
90
dB
90
dB
±1.5
±6
mV
±5
µV/°C
VCC - 5
V
6
V
90
dB
±0.5
±2
mV
±3
±7
µV/°C
10
25
nA
7
20
pA/°C
VCC - 5
V
14
V
7
10
mA
ILIM
mA
kΩ
500
nF
35
V
Note:
1) The oscillator capacity has to be chosen in the following way: C_OSC = 1.6 ⋅ C_X1
2) The capacitor range of C_X1 and C_X2 can be extended whereby the system performance is reduced and the electrical
limits are exceeded.
3) Currents flowing into the IC, are negative.
analog microelectronics
January 2001
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