參數(shù)資料
型號: TDA7421N
廠商: STMICROELECTRONICS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: TQFP-64
文件頁數(shù): 11/47頁
文件大?。?/td> 374K
代理商: TDA7421N
TDA7421N
Electrical specifications
SD output impedance
Measure output at VFMSD
SDIMP,ON
SD output impedance
SDDIS set to 0
700
W
SDIMP,TS
SD output impedance (Tri-state) SDDIS set to 1
7
M
Ω
Loop filter input/output
(LP_IN1, LP_IN2, LP_IN3, LP_OUT)
-IIN
Input leakage current
VIN = GND; PDout = Tristate
-2
0
2
μA
IIN
Input leakage current
VIN = VDD; PDout = Tristate
-2
0
2
μA
VOL
Output voltage low
IIN = -0.2 mA; VCC = 8.5 V
0.5
V
VOH
Output voltage high
IOUT = 0.2 mA; VCC = 8. 5V
8
V
IOUT
Output current sink
VPLL = 8.5 V;
10
mA
IOUT
Output current source
Vout = 0.5 to 8 V
10
mA
I2C bus Interface
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
1
V
VIH
Input high voltage
3
V
Table 7.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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