
DC ANDAC ELECTRICAL CHARACTERISTICS
(continued)
(V
CC
= 12V,V
DD
= 5V,T
amb
= 25
o
C unless otherwise specified)
Symbol
AUXILIARY AUDIO OUTPUT (PinsS2 OUT R, S2 OUT L, S3 OUT R, S3 OUT L) (continued)
THDAOFM
THD on S2 or S3
Parameter
Test Conditions
Min.
Typ. Max.
Unit
FM input as for APA50
75
μ
s de-emphasis, no ANRS
Low impedance mode
High impedance mode
0.3
1
%
Z
OUT L
Z
OUT H
Audio Output Impedance
30
60
44
100
55
k
I/O
V
IL
V
IH
V
OL
V
OH
LNB
T
LNB
D
Low Level Input
High Level Input
Low Level Output
High Level Output
Tone Frequency
Tone Signal Duty Cycle
2.4
0.8
V
V
V
V
I
sink
= 2mA
I
source
= 2mA
3.2
22.2
49
0.2
4.6
22.2
50
0.4
22.2
51
kHz
%
No load connected on I/O
RESET
RTCCU
RTCCD
RTDDU
RTDDD
COMPOSITE SIGNAL PROCESSING
VIDC
VID IN
ZVI
VID IN Input Impedance
DEODC
DC Output Level (PinsVIDEEM)
DEOMX
Max AC Level before Clipping
(Pins VIDEEM)
DGV
Gain error vs GV @ 100kHz
INVG
Inverter Gain
VISOG
Video Input to SCART Outputs
Gain
DEBW
Bandwidth for 1V
input
measured on Pins VIDEEM
DFG
Differential Gain on Sync Pulses
measured on Pins VIDEEM
ITMOD
Intermodulation of FM subcar-
riers with chromasubcarrier
CLAMP STAGES (Pins CLAMP IN, S1, S2, S3 VID RTN)
ISKC
Clamp Input Sink Current
ISCC
Clamp Input Source Current
VIDEO MATRIX
XTK
Output Level onany Output
when 1V
CVBS input is
selected for any other output
BFG
OutputBufferGain(Pins S1 VID
OUT,S2VID OUT,S2 VIDOUT)
DCOLVH
DC Output Level
Z
OUT HV
Video Output Impedance
VCL
Sync Tip Level on Selected
Outputs (Pins S1 VID OUT, S2
VID OUT)
VCL S3
Sync Tip Level at S3 VID OUT
with Black Level Adjust
End of Reset Threshold for V
CC
Start of Reset Threshold for V
CC
End of Reset Threshold for V
DD
Start of Reset Threshold for V
DD
V
DD
= 5V, V
CC
going up
V
DD
= 5V, V
CC
going down
V
CC
= 12V, V
DD
going up
V
CC
= 12V, V
DD
going down
8.7
7.9
3.8
3.5
V
V
V
V
External load current < 1
μ
A
2.25
7
2.25
2
2.45
11
2.45
2.65
14
2.65
V
k
V
V
PP
GV = 0dB, Reg 01 = 00
GV = 0 to 12.7dB, Reg 01 = 00
→
3F
-0.5
-0.9
-1
0
-1
0
0.5
-1.1
1
dB
De-emphasis amplifier mounted inunity
gain, Normal video selected
@ - 3dB with GV = 0dB, Reg 01 = 00
dB
10
MHz
GV = 0dB, 1V
CVBS + 0.5V
PP
25Hz sawtooth (input :VID IN)
7.02 and 7.2MHz sub-carriers,
12.2dB lower thanchroma
1
%
-60
dB
V
IN
= 3V
V
IN
= 2V
0.5
40
1
50
1.5
60
μ
A
μ
A
@ 5MHz
TBD
dB
@ 100kHz
1.87
2
2.13
High impedance mode
High impedance mode
1V
PP
CVBS through 10nF on input
0
23
1.3
0.2
30
1.55
V
k
V
16
1.05
Register 4
b6 b7
0
0
0
1
1
0
1
1
1.36
1.52
1.67
1.84
V
V
V
V
0
STV0056AF
13/27