參數(shù)資料
型號: TDA8505
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: SECAM encoder
中文描述: COLOR SIGNAL ENCODER, PDIP32
封裝: PLASTIC, SOT-232-1, SDIP-32
文件頁數(shù): 15/32頁
文件大?。?/td> 466K
代理商: TDA8505
July 1994
15
Philips Semiconductors
Preliminary specification
SECAM encoder
TDA8505
Multiplexer control (pin 2; note 1)
LOW level input voltage Y,
(R
Y)
and
(B
Y)
V
IH
HIGH level input voltage R, G
and B
I
I
input current
t
sw
switching time
V
IL
0
0.4
V
1
5
V
50
3
μ
A
ns
Control input Y/Y+SYNC (pin 12)
V
IL
LOW level input voltage
blanking pin 5 active;
internal sync added to Y
blanking pin 5 inactive;
internal sync not added
to Y
0
1
V
V
IH
HIGH level input voltage
4
5
V
I
I(max)
maximum input current
1
μ
A
XTAL/PLL and VIDENT input (pin 26)
V
IL
LOW level input voltage
PLL mode; vertical
identification off
crystal tuning; vertical
identification off
pin 26 connected to
pin 17; PLL tuning;
vertical identification on;
see Fig.4
0
1
V
V
IH
HIGH level input voltage
4
5
V
V
I
input voltage
V
17
V
I
I
input current
6
μ
A
COLKIL input (pin 28)
V
IL
V
IH
I
I(max)
LOW level input voltage
HIGH level input voltage
maximum input current
inactive
active
0
4
1
5
1
V
V
μ
A
FH/2 input (pin 4)
V
IL
V
IH
I
I(max)
LOW level input voltage
HIGH level input voltage
maximum input current
inactive
active
0
4
1
5
1
V
V
μ
A
LF pre-emphasis
(see Fig.3)
HF pre-emphasis and bandpass
(see Figs 5 and 6)
FADJ input (pin 14) resistor value for correct adjustment;
see Fig.1
input sensitivity
maximum input current
1.75
100
kHz/mV
nA
I
I(max)
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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