STV6434S Просмотр технического описания (PDF) - STMicroelectronics
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STV6434S Datasheet PDF : 18 Pages
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STV6434
Electrical Characteristics
2.3.3
Pb/Pr Section
Test conditions: TAMB = 25°C, VCC = 5 V; VCCB = 5 V; RGENERATOR = 75 Ω and RLOUT = 150 Ω,
unless otherwise specified.
Symbol
Parameter
VDCIN_SYNC DC Input Level
ICLAMP_SYN Clamping Current, Sync clamp
C
CIN
Input Capacitance
VIN
Max Input Signal
DYN
Dynamic Output Signal
DCPrPbOUT
DC Output Voltage
(Pr and Pb Outputs)
PF1
-1 dB Bandwidth (Flatness)
PF3
-3 dB Bandwidth
PSBR Stopband Rejection
Flatness Spread of Gain in Video Bands
PCTo
ROUT
GP
Crosstalk Isolation of Pr or Pb from
Y1, Y2 and CVBS Channels
Output Resistance
Gain on Pr and Pb channels
Test Conditions
Sync clamp input (Pr,Pb)
Sync signal on Y input
Sync clamp input (Pr,Pb)
at VDCIN -400 mV
Black Level sync signal on Y2
input
27 MHz versus 100 kHz
VIN = 1 VPP
Band = 15 kHz to 10 MHz
VIN = 1 VPP at f = 3.58 MHz,
on Y1 or Y2 or CVBS input,
RLOAD = 150Ω
VIN = 1 VPP at f = 1 MHz
Min. Typ. Max. Unit
3.0
V
100
µA
2
pF
1
VPP
2
VPP
1.5
V
8
9
14
- 40
MHz
MHz
dB
±0.5
dB
55
dB
5
10
Ω
5.5
6
6.5
dB
2.3.4
Mute Section
Test conditions: TAMB = 25°C, VCC = 5 V; VCCB = 5 V; RGENERATOR = 75 Ω and RLOUT = 75 Ω
unless otherwise specified.
Symbol
V00
V01
V10
V11
Parameter
Test Conditions
MUTE Voltage for Y1/C/CVBS muted
and Y2/Pr/Pb muted
Pin MUTE to GND or logical 0
MUTE Voltage for Y1/C/CVBS active Pin MUTE opened (not
and Y2/Pr/Pb muted
connected) See Note 1.
MUTE Voltage for Y1/C/CVBS muted Pin MUTE connected by 22 kΩ to
and Y2/Pr/Pb active
VCC or at 3.3V (IIN < 140 µA)
MUTE Voltage for Y1/C/CVBS active
and Y2/Pr/Pb active
Pin MUTE to VCC (5V)
Min.
0
1.3
1.9
4.2
Typ.
Max.
1.1
1.7
4
Vcc
Unit
V
V
V
V
Note: 1 When the MUTE pin is left open, its voltage is defined by an internal voltage divider performed by a
42 kΩ resistor to Vcc and 18 kΩ resistor to GND.
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