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LC7455A Arkusz danych(PDF) 4 Page - Sanyo Semicon Device

Numer części LC7455A
Szczegółowy opis  Closed Caption Signal Extraction IC
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Producent  SANYO [Sanyo Semicon Device]
Strona internetowa  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC7455A Arkusz danych(HTML) 4 Page - Sanyo Semicon Device

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No. 5680-4/13
LC7455A, 7455M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD1, VDD2: VDD1 = VDD2
–0.3 to +7.0
V
Input voltage
VI
HS/CFIN, CVIN, SCKIN, CE
–0.3 to VDD +0.3
V
Output voltage
VO
LN21, CPDT, O/E/CFOUT, HS/CFIN
–0.3 to VDD +0.3
V
Allowable power dissipation
Pd max
LC7455A
300
mW
LC7455M
150
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Note: VSS1 and VSS2 must be at the same potential.
VDD1 and VDD2 must be at the same potential.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Operating supply voltage
VDD
VDD1, VDD2 : VDD1 = VDD2
4.5
5.5
V
Input high-level voltage
VIH
HS/CFIN, SCKIN, CE;
0.75 VDD
VDD
V
VDD = 4.5 to 5.5 V
Input low-level voltage
VIL
HS/CFIN, SCKIN, CE;
VSS
0.25VDD
V
VDD = 4.5 to 5.5 V
CVIN input amplitude
CVSYNC
CVIN : SYNC-WHITE = 1.0 V;
1Vp-p – 3dB
1Vp-p
1Vp-p + 3 dB
V
VDD = 4.5 to 5.5 V
HS/CFIN : VDD = 4.5 V
HS input frequency range
fH
For mode 3
15.23
15.73
16.23
kHz
For mode 4
15.13
15.63
16.13
kHz
HS/CFIN, O/E/CFOUT;
Oscillator frequency range*1
FmCF
For mode 2, see Figure 1.
503
508
513
kHz
VDD = 4.5 to 5.5 V
HS/CFIN, O/E/CFOUT;
Oscillator stabilization time*2
tmsCF
For mode 2, see Figure 2.
0.5
5
ms
VDD = 4.5 to 5.5 V
Allowable Operating Ranges at Ta = –30 to +70°C, VSS = 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Input high-level current
IIH
HS/CFIN, SCKIN, CE : VIN = VDD;
1
µA
VDD = 4.5 to 5.5 V
Input low-level current
IIL
HS/CFIN, SCKIN, CE : VIN = VSS;
–1
µA
VDD = 4.5 to 5.5 V
Output high-level voltage
VOH
LN21, O/E/CFOUT, HS/CFIN;
VDD – 1.2
V
IOH = –4 mA ; VDD = 4.5 to 5.5 V
Output low-level voltage
VOL
LN21, CPDT, O/E/CFOUT,
1
V
HS/CFIN : IOL = 10 mA; VDD = 4.5 to 5.5 V
Input clamping voltage
VCLMP
CVIN ; VDD = 5.0 V
2.3
2.5
2.7
V
Input clamping current
IIC
CVIN : CVIN = 3 V ; VDD = 5.0 V
5
10
18
µA
Output clamping current
IOC
CVIN : CVIN = 2 V ; VDD = 5.0 V
–120
–70
–30
µA
Current drain
IDD
VDD1, VDD2 ; VDD = 4.5 to 5.5 V
6
15
mA
Electrical Characteristics at Ta = –30 to +70°C, VSS = 0 V.
Note: 1. See Table 1 for more information on the oscillator frequency.
2. The oscillator stabilization time is the time required until the oscillator is stable after the power-supply voltage is applied. See figure 2.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Serial clock]
Input clock period
tCKCY
SCKIN : See Figure 3.
1
µs
Input clock low-level pulse width
tCKL
SCKIN : See Figure 3.
0.5
µs
Input clock high-level pulse width
tCKH
SCKIN : See Figure 3.
0.5
µs
Setup time
tICK
SCKIN : Stipulated with respect to the falling
1
µs
edge of CE.
[Serial output]
Output delay time
tCKO
0.5
µs
Serial Output Characteristics at Ta = –30 to +70°C, VSS = 0 V, VDD = 4.5 to 5.5 V
Stipulated with respect to the falling edge of
SCKIN. A 1-k
Ω external pull-up resistor is
connected. See Figure 3.


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