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TDA7421 데이터시트(PDF) 13 Page - STMicroelectronics

부품명 TDA7421
상세설명  AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS
PDF  38 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7421 데이터시트(HTML) 13 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Loop Filter Input Output
(LP_IN1, LP_IN2, LP_IN3, LP_OUT)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
-IIN
Input Leakage Current
VIN = GND; PDout = Tristate 1)
-2
0
2
µA
IIN
Input Leakage Current
VIN = VDD; PDout = Tristate
-2
0
2
µA
VOL
Output Voltage Low
IIN = -0.2mA; VCC = 8.5V
0.5
V
VOH
Output Voltage High
IOUT = 0.2mA; VCC = 8.5V
8
V
IOUT
Output Current Sink
VPLL = 8.5V;
10
mA
IOUT
Output Current Source
Vout = 0.5 to 8V
10
mA
I
2C Bus Interface
Symbol
Parameter
Test Condition
Min.
Typ.
Max
Unit
fSCL
SCL Clock Frequency
100
500
KHz
tAA
SCL Low to SDA Data Valid
300
ns
tbuf
Time the Bus Must Be Free for
the New Transmission
4.7
µs
tHD-STA
START Condition hold Time
4.0
µs
tLOW
Clock Low Period
4.7
µs
tHIGH
Clock High Period
4.0
µs
tSU-SDA
Start Condition Setup Time
4.7
µs
tHD-DAT
Data Input Hold Time
0
µs
tSU-DAT
Date Input Setup Time
250
ns
tR
SDA & SCL Rise Time
µs
tF
SDA & SCL Full Time
µs
tSU-STO
Stop Condition Setup Time
4.7
µs
tDH
DATA OUT Time
300
ns
VIL
Input Low Voltage
1V
VIH
Input High Voltage
3
V
(1) depends upon filter circuitry
(2) depends upon application circuit
(3) depends only upon IF2 ceramic filter
TDA7421
13/38



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