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參數(shù)資料
| 型號： | AS1716-ASOT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 電容式觸控傳感器 |
| 英文描述： | Capacitive Sensor Interface |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 316K |
| 代理商： | AS1716-ASOT |
4 - 12
AS1716
Datasheet - Electrical Characteristics
6 Electrical Characteristics
Parameters are measured at V
DDA
= 4.5V to 5.5V, R
LOAD
= 100
Ω
serial to C
LOAD
= 10nF, T
A
= +25oC and are refering to VSSA, unless other-
wise specified. Typical values are listed for reference only and will not be tested.
All limts are guaranteed. The parameters with mn and max values are guaranteed with production tests or SQC (Statistical Quality Control)
methods.
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
Mn
Typ
Max
Unit
T
AMB
DC Electrical Characteristics
Operating Temperature Range
-45
+125
°C
V
DDA
Supply Voltage Range
@ pin VDDA
4.5
5
5.5
V
I
DDA
Supply Current
@ pin VDDA
3
4.5
9
mA
PSRR
1
1. Guaranteed by design
Power Supply Rejection Ratio
6
dB
V
CM
Common Mode input Range
@ pins INN, INP
V
SSA
V
DDA
V
CMRR
Common Mode Rejection Ratio
55
dB
k
Ω
R
IN
Differential Input Resistance
between pins INN and INP
70
100
130
V
REF
Internal Common Mode Input
Voltage
INP shorted to INN
V
DDA
/2 -
2%
V
DDA
/2
V
DDA
/2
+2%
V
V
OFF
Offset Voltage
Gain1, V
INP
= V
INN
@ V
CM
= V
DDA
/2,
@ pin OUT
V
REF
-
10
V
REF
+10
mV
V
IL
Logic Low (GA, GB)
@ pin GA and GB
1.2
V
V
IH
Logic High (GA, GB)
@ pin GA and GB
2.0
V
I
LEAK
Leakage Current (GA, GB)
V
DDA
= 5V, Gain4
1
μA
V
HYST
1
Hysteresis
@ pin GA and GB
100
200
mV
R
PD
Pull-Down Resistor
@ pin GA and GB
50
100
150
k
Ω
Gain0.5
Overall gain 0.5
GA = GB = 1
0.5-10%
0.5
0.5+10%
Gain1
Overall gain 1
GA = 1, GB = 0
1-10%
1
1+10%
Gain2
Overall gain 2
GA = 0, GB = 1
2-5%
2
2+5%
Gain4
Overall gain 4
GA = GB = 0, default setting
4-5%
4
4+5%
R
L
External Serial Resistor
R
L
serial to C
L
(see Figure 13 on page 8)
100
1k
Ω
C
L
External Capacitive Load
0.01
10
nF
I
SHORT+
Positive Short Circuit Current
V
OUT
is driven to V
DDA
and V
OUT
is connected
to V
SSA
25
mA
I
SHORT-
Negative Short Circuit Current
V
OUT
is driven to V
SSA
and V
OUT
is connected
to V
DDA
25
mA
V
OUT-L
Output Range Low
@ pin VOUT
V
SSA
+0
.05
V
V
OUT-H
Output Range High
@ pin VOUT
V
DDA
-
0.05
V
AC Electrical Characteristics
f
C
Filter Cut-off Frequency
V
DDA
= 4.5V, GA = GB = 0, INP-INN = 1V
PP,
f
IN
= 16kHz and 29kHz
16
23
29
kHz
THD
Total Harmonic Distortion
V
DDA
= 5V, f
IN
= 1kHz, INP-INN = 8V
PP
, Gain0.5
80
dB
V
NOISE
RMS noise at OUT
Gain4, f
C
= 50Hz - 23kHz
1
mV
RMS
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