PCF88831 NXP [NXP Semiconductors], PCF88831 Datasheet - Page 11

• Manufacturer Part Number: PCF88831
• Description: Capacitive proximity switch with auto-calibration, large voltage operating
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
11. Dynamic characteristics
Table 6.
V
PCF8883
Product data sheet
Symbol
C
C
N
C
C
R
t
t
t
t
f
t
ch
dch
startup
p
s
sw
DD
CLIN
CPC
res(dig)eq
TYPE
i
DSon
= 5 V, C
Parameter
capacitance on pin CLIN
capacitance on pin CPC
equivalent digital resolution
capacitance on pin TYPE
input capacitance
drain-source on-state resistance
charge time
discharge time
start-up time
pulse duration
sampling frequency
switching time
Dynamic characteristics
CLIN
= 22 pF, C
CPC
= 470 nF, T
All information provided in this document is subject to legal disclaimers.
amb
= +25
Conditions
X7R ceramic chip capacitor
sensing plate and connecting cable
internal pull-up on input
per sample
per sample
until normal operation is established
on pin OUT;
in pulse mode;
C
C
C
C
at f
Rev. 2 — 8 March 2011
TYPE
CLIN
CLIN
CLIN
°
V
T
V
C; unless otherwise specified.
s
amb
DD
DD
= 1 kHz
= 0 pF
= 22 pF (typical value)
= 100 pF
≥ 10 nF
= 5.0 V
= 3.0 V
= −40 °C to +85 °C;
Capacitive proximity switch with auto-calibration
Min
0
90
-
0.1
10
10
-
1.4
-
-
-
-
-
-
-
Typ
22
470
14
-
-
-
-
2.5
1.0
0.5
2.5
3.3
1
275
64
PCF8883
© NXP B.V. 2011. All rights reserved.
Max
100
2500
-
470
60
40
500
3.5
-
-
-
-
-
-
-
Unit
pF
nF
bit
nF
pF
pF
Ω
μs
μs
s
ms/nF
kHz
kHz
Hz
ms
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