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AS3665
Datasheet, Confidential - E l e c t r i c a l C h a r a c t e r i s t i c s P i n D e s c r i p t i o n
Table 3. Electrical Characteristics (Continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
ADC TOFFSE
T
ADC TC
ADC temperature
measurement offset
value
Code temperature
coefficient
393
1.322
oC
oC/
Code
T TOL
Temperature sensor
accuracy
-10
+10
oC
Audio Input
R AUDIO_IN
Audio Input resistance
pin INT/AUDIO_IN if used as analog input;
at maximum input gain (+30dB)
20
k Ω
Digital Interface
INT/AUDIO_IN, GPO
V IH
V IL
V OL
I LEAK
High Level Input
Voltage
Low Level Input
Voltage
Low Level Output
Voltage
Leakage Current
Pins SDA, SCL, EN, CLK32K, TRIG,
1
Pins SDA, TRIG, INT/AUDIO_IN, GPO
I OL =3mA
Pins SDA, SCL, EN, CLK32K, TRIG, INT/
AUDIO_IN, GPO
1.26
0.0
0.01
V VBAT
0.54
0.2
1.0
V
V
V
μA
I C mode timings - see Figure 3 on page 7
2
START Condition
Data Hold Time
Data Setup Time
I C timeout
mode
f SCLK
t BUF
t HD:STA
t LOW
t HIGH
t SU:STA
t HD:DAT
t SU:DAT
t R
t F
t SU:STO
C B
C I/O
t TIMEOUT
SCL Clock Frequency
Bus Free Time
Between a STOP and
START Condition
Hold Time (Repeated)
2
LOW Period of SCL
Clock
HIGH Period of SCL
Clock
Setup Time for a
Repeated START
Condition
3
4
Rise Time of Both
SDA and SCL Signals
Fall Time of Both SDA
and SCL Signals
Setup Time for STOP
Condition
Capacitive Load for
Each Bus Line
I/O Capacitance
(SDA, SCL)
2
C B — total capacitance of one bus line in pF
If SCL and SDA are low for longer than this
time, the AS3665 is switched into shutdown
5
0
1.3
0.6
1.3
0.6
0.6
0
100
20 +
0.1C B
20 +
0.1C B
0.6
100
400
0.9
300
300
400
10
kHz
μs
μs
μs
μs
μs
μs
ns
ns
ns
μs
pF
pF
ms
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