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TDA7421 Datasheet, PDF (13/38 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS
TDA7421
ELECTRICAL CHARACTERISTICS (continued)
Loop Filter Input Output
(LP_IN1, LP_IN2, LP_IN3, LP_OUT)
Symbol
-IIN
IIN
VOL
VOH
IOUT
IOUT
Parameter
Input Leakage Current
Input Leakage Current
Output Voltage Low
Output Voltage High
Output Current Sink
Output Current Source
Test Condition
VIN = GND; PDout = Tristate 1)
VIN = VDD; PDout = Tristate
IIN = -0.2mA; VCC = 8.5V
IOUT = 0.2mA; VCC = 8.5V
VPLL = 8.5V;
Vout = 0.5 to 8V
Min. Typ. Max. Unit
-2
0
2
µA
-2
0
2
µA
0.5
V
8
V
10
mA
10
mA
I2C Bus Interface
Symbol
fSCL
tAA
tbuf
tHD-STA
Parameter
SCL Clock Frequency
SCL Low to SDA Data Valid
Time the Bus Must Be Free for
the New Transmission
START Condition hold Time
tLOW
Clock Low Period
tHIGH
Clock High Period
tSU-SDA Start Condition Setup Time
tHD-DAT Data Input Hold Time
tSU-DAT Date Input Setup Time
tR
SDA & SCL Rise Time
tF
SDA & SCL Full Time
tSU-STO Stop Condition Setup Time
tDH
DATA OUT Time
VIL
Input Low Voltage
VIH
Input High Voltage
(1) depends upon filter circuitry
(2) depends upon application circuit
(3) depends only upon IF2 ceramic filter
Test Condition
Min. Typ. Max Unit
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
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