ELECTRICAL CHARACTERISTICS
STV6618
2.6 Chroma Section Characteristics
TAMB = 25 °C, VCCV = 5 V, VDD = 5 V, ROUT_VREC = 4.7 kΩ, ROUT_VBUF = 150 Ω, unless otherwise
specified. Output impedances of sources: RGV = 75 Ω.
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VDCIN
DC Input Level
2.9
3.0
RIN
Input Resistance
30
50
CIN
Input Capacitance
2
VIN
Max Input Signal
DYN
Dynamic Output Signal
DCOUT
DC Output Voltage
AUX C Output
No Chroma input signal1
1.4
1.5
CBW
Chroma Bandwidth
VIN = 1 VPP at -3 dB
10
15
CTi
Crosstalk Isolation between Input
Channel
VIN = 1 VPP at 4.43 MHz,
on one input
542
60
CTo
Crosstalk Isolation between Output
Channel
VIN = 1 VPP at 4.43 MHz,
on one input, RLOAD = 150 Ω
50 2
55
ROUT
Output Resistance
5
G6C
Gain at Chroma Outputs
VIN = 1 Vpp and Gain = 6 dB at
5.5
6.0
1 MHz
Mute
Mute Suppression
VIN = 1 VPP at 4.43 MHz, on one
-55
input
CToYdel
Chroma to Luma Delay, Source Y/C VIN = VPP at 4.43 MHz
1. Measured at IC output pin.
3.1
V
kΩ
pF
1.0
VPP
2.0
VPP
1.6
V
MHz
dB
dB
10
Ω
6.5
dB
dB
20
ns
2. Minimum Crosstalk values estimated during Qualification phase, based on ST Evaluation Board
measurement, TQFP44 package soldered on board.
2.7 Digital Outputs
TAMB = 25 °C, VCCV = 5 V, VDD = 5 V.
Symbol
Parameter
Test Conditions
Min.
C_gate_H
Pull-up resistor value to VccB3
16
C_gate_L
Output Low level
IIN = 0 mA
IIN = 1 mA
C_gate_H
Output High level
RLOAD = 20 kΩ
DIGOUT1-2-3 Load External pull-up resistor value to VDD
DIGOUT1-2-3 Low Output low level, DIGOUT1-2-3
RLOAD = 10 kΩ
DIGOUT1-2-3 Middle Output middle level, DIGOUT1-2-3 RLOAD = 10 kΩ
DIGOUT1-2-3 High Output high level,DIGOUT1-2-3
RLOAD = 10 kΩ,
Opened collector output
DIGOUT4-5-6 Low Output low level, DIGOUT4-5-6
ILOAD = 2 mA
DIGOUT4-5-6 High Output high level, DIGOUT4-5-6
Opened Collector Output
Typ.
20
10
2.2
Max.
24
0.3
0.7
VDD
0.7
VDD
0.7
13
Unit
kΩ
V
V
kΩ
V
V
V
V
V
10/24