STV0056 Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
производитель
STV0056 Datasheet PDF : 26 Pages
| |||
STV0056A
DC AND AC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 12V, VDD = 5V, Tamb = 25oC unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
AUXILIARY AUDIO OUTPUT (Pins S2 OUT R, S2 OUT L, S3 OUT R, S3 OUT L) (continued)
THDAOFM THD on S2 or S3
ZOUT L
ZOUT H
I/O
Audio Output Impedance
FM input as for APA50
75µs de-emphasis, no ANRS
Low impedance mode
High impedance mode
0.3 1 %
60 100 Ω
30 44 55 kΩ
VIL
VIH
VOL
VOH
LNBT
LNBD
RESET
Low Level Input
High Level Input
Low Level Output
High Level Output
Tone Frequency
Tone Signal Duty Cycle
Isink= 2mA
Isource = 2mA
No load connected on I/O
0.8 V
2.4
V
0.2 0.4 V
3.2 4.6
V
22.2 22.2 22.2 kHz
49 50 51 %
RTCCU
RTCCD
RTDDU
RTDDD
End of Reset Threshold for VCC
Start of Reset Threshold for VCC
End of Reset Threshold for VDD
Start of Reset Threshold for VDD
COMPOSITE SIGNAL PROCESSING
VDD = 5V, VCC going up
VDD = 5V, VCC going down
VCC = 12V, VDD going up
VCC = 12V, VDD going down
8.7
V
7.9
V
3.8
V
3.5
V
VIDC
ZVI
DEODC
DEOMX
DGV
INVG
VISOG
DEBW
DFG
IT MOD
VID IN
External load current < 1µA
VID IN Input Impedance
DC Output Level (Pins VIDEEM)
Max AC Level before Clipping
(Pins VIDEEM)
GV = 0dB, Reg 01 = 00
Gain error vs GV @ 100kHz
GV = 0 to 12.7dB, Reg 01 = 00 → 3F
Inverter Gain
Video Input to SCART Outputs De-emphasis amplifier mounted in unity
Gain
gain, Normal video selected
Bandwidth for 1VPP input
measured on Pins VIDEEM
@ - 3dB with GV = 0dB, Reg 01 = 00
Differential Gain on Sync Pulses GV = 0dB, 1VPP CVBS + 0.5VPP
measured on Pins VIDEEM
25Hz sawtooth (input : VID IN)
Intermodulation of FM subcar- 7.02 and 7.2MHz sub-carriers,
riers with chroma subcarrier
12.2dB lower than chroma
2.25 2.45 2.65 V
7 11 14 kΩ
2.25 2.45 2.65 V
2
VPP
-0.5 0 0.5 dB
-0.9 -1 -1.1
-1 0 1 dB
10
MHz
1%
-60
dB
CLAMP STAGES (Pins CLAMP IN, S1, S2, S3 VID RTN)
ISKC
ISCC
Clamp Input Sink Current
Clamp Input Source Current
VIN = 3V
VIN = 2V
VIDEO MATRIX
0.5 1 1.5 µA
40 50 60 µA
XTK
BFG
DCOLVH
ZOUT HV
VCL
VCL S3
Output Level on any Output
when 1VPP CVBS input is
selected for any other output
Output Buffer Gain (Pins S1 VID
OUT, S2 VID OUT, S2 VID OUT)
DC Output Level
Video Output Impedance
Sync Tip Level on Selected
Outputs (Pins S1 VID OUT, S2
VID OUT)
Sync Tip Level at S3 VID OUT
with Black Level Adjust
@ 5MHz
@ 100kHz
High impedance mode
High impedance mode
1VPP CVBS through 10nF on input
Register 4
b6 b7
00
01
10
11
-60
dB
1.87 2 2.13
0 0.2 V
16 23 30 kΩ
1.05 1.3 1.55 V
1.36
V
1.52
V
1.67
V
1.84
V
12/26
Share Link: 