E-TDA7421N 查看數據表（PDF） - STMicroelectronics
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E-TDA7421N Datasheet PDF : 47 Pages
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TDA7421N
Table 7. Electrical characteristics (continued)
Symbol
Parameter
Test condition
SD output impedance
Measure output at VFMSD
SDIMP,ON SD output impedance
SDDIS set to 0
SDIMP,TS SD output impedance (Tri-state) SDDIS set to 1
Loop filter input/output
(LP_IN1, LP_IN2, LP_IN3, LP_OUT)
-IIN
Input leakage current
IIN
Input leakage current
VOL Output voltage low
VOH Output voltage high
IOUT Output current sink
IOUT Output current source
I2C bus Interface
VIN = GND; PDout = Tristate
VIN = VDD; PDout = Tristate
IIN = -0.2 mA; VCC = 8.5 V
IOUT = 0.2 mA; VCC = 8. 5V
VPLL = 8.5 V;
Vout = 0.5 to 8 V
fSCL
tAA
tbuf
tHD-STA
tLOW
tHIGH
tSU-SDA
tHD-DAT
tSU-DAT
tR
tF
tSU-STO
tDH
VIL
VIH
SCL clock frequency
SCl low to SDA data valid
Time the bus must be free for
the new transmission
Start condition hold time
Clock low period
Clock high period
Start condition setup time
Data input hold time
Date input setup time
SDA & SCL rise time
SDA & SCL Full Time
Stop condition setup time
DATA out time
Input low voltage
Input high voltage
Electrical specifications
Min. Typ. Max. Unit
700
W
7
MΩ
-2
0
2
μA
-2
0
2
μA
0.5
V
8
V
10
mA
10
mA
100 500 kHz
300
ns
4.7
μs
4.0
μs
4.7
μs
4.0
μs
4.7
μs
0
μs
250
ns
μs
μs
4.7
μs
300
ns
1
V
3
V
19/47
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