 English |
|
|
|
|
|
|
|
| CAV444 Datasheet, PDF (9/12 Pages) Analog Devices – C/V transmitter IC with adjustable output voltage for capacitive input signals | |||
| |||
| ◁ |
CAV444 â C/V transmitter IC
with adjustable output voltage
for capacitive input signals
ELECTRICAL SPECIFICATIONS
Tamb = 25°C, VCC = 5 V (unless otherwise stated)
Parameter
Symbol
Conditions
Supply
Supply Voltage
Quiescent Current
Temperature Specifications
Operating
Storage
Measurement Oscillator
Measurement Capacitor Range
Oscillator Frequency Range
Oscillator Current
Detection Frequency
f/V Converter
Converter Capacitor Range
Capacitive Charge Current
Lowpass Stage
Adjustable Gain
Output Voltage
Corner Frequency 1
Corner Frequency 2
Resistive Load at pin VOUT
Capacitive Load at pin VOUT
Output Voltage Shift
Temperature Coefficient VDIFF (together
with Input Stages)
Internal Resistors 1 and 2
Temperature Coefficient R01,02
Ratiometric Error of VOUT
Voltage Reference VREF
Voltage
VREF vs. Temperature
Current
Load Capacitance
Ratiometric Error of VREF
VCC
ICC
Tamb
Tst
CM
fM
ICM
fSIG
CW
ICW
GLP
VOUT
fCF1
fCF2
RL
CL
VDIFF
dVDIFF /dT
R01, R02
dR01,02 /dT
RAT@VDIFF*
VREF
dVREF /dT
IVREF
IVREF
CVREF
RAT@VREF*
Ratiometric range
Tamb = -40...+105°C, GLP = 1
ICM = 10µA
RCM = 250kâ¦
CW = CM,max / 1.6 ICW = 5 µA
RCW = 500 kâ¦
Vout = VDiff + VREF
R01 = 20 kâ¦, CF1 = 1 nF
R02 = 20 kâ¦, CF2 = 1 nF
VM = 2.5 V
Tamb = -40...+105°C
Tamb = -40...+105°C
Ratiometric to VCC
Tamb = -40...+105°C
Source
Sink
Min.
4.75
0.6
-40
-55
18
1
9.5
11.25
4.75
1
1.1
200
-1.4
80
Typ.
Max.
Unit
5.00
5.25
V
1.0
1.4
mA
105
°C
125
°C
2200
pF
130
kHz
10
10.75
µA
1.9
kHz
1375
pF
5
5.38
µA
±100
20
1.9
0.11
10
VCC â 1.1
8
8
50
1.4
V
kHz
kHz
kâ¦
pF
V
ppm/°C
kâ¦
10-3/°C
% FS
2.5
±20
100
0.007
V
±50
ppm/°C
16
µA
-16
µA
120
nF
% FS
* RAT @ VDIFF = 2 [1.05 VDIFF(VCC = 5V) â VDIFF(VCC = 5.25V)]/[VDIFF(VCC = 5V) + VDIFF(VCC = 5.25V)]
** RAT @ VM = 2 [1.05 VM(VCC = 5V) â VM(VCC = 5.25V)]/[VM(VCC = 5V) + VM(VCC = 5.25V)]
Analog Microelectronics GmbH
An der Fahrt 13, D â 55124 Mainz
Phone: +49 (0)6131/91 0730-0
Fax: +49 (0)6131/91 073-30
Internet: http://www.analogmicro.de
Email: info@analogmicro.de
Mai 2010 - Rev 1.1 - Page 9/12
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese