TDA8505 Datasheet, PDF (16/32 Pages) NXP Semiconductors – SECAM encoder

Philips Semiconductors
SECAM encoder
Preliminary specification
TDA8505
SYMBOL
PARAMETER
FLT output (pin 16)
V_DCL
limited DC LOW level output
voltage
V_DCH
limited DC HIGH level output
voltage
V_DC
DC level output voltage
Y+SYNC output (pin 25)
R_O
I_sink(max)
I_source(max)
V_BL
V_SYNC
V_Y
B
output resistance
maximum sink current
maximum source current
black level output voltage
sync voltage amplitude
Y voltage amplitude
bandwidth frequency response
t_d
group delay time tolerance
t_d
sync delay time from
pin 29 to pin 25
t_d
Y delay time from pin 5 to pin 25
Y+SYNC input (pin 23; note 2)
I_bias
V_I(max)
input bias current
maximum Y voltage amplitude
NOTCH output (pin 22)
R_O
V_DC
I_sink(max)
output resistance
DC output voltage level
maximum sink current
CHROMA output (pin 18)
I_sink(max)
I_source(max)
V_DC
∆V_DC
maximum sink current
maximum source current
DC voltage level
variation of DC voltage level
R_O
V_O(p-p)
output resistance
chrominance output voltage
amplitude (peak-to-peak value)
CONDITIONS
MIN. TYP. MAX. UNIT
I_O = 200 µA
I_I = 200 µA
−
0.27
−
V
−
1.8
−
V
tbf
0.86 tbf
V
R_L = 10 kΩ; C_L = 10 pF
R_L = 10 kΩ; C_L = 10 pF
−
200
1
−
570
1 330
10
−
220
−
−
−
1.6
600
1 400
−
−
290
40
−
−
−
630
1 470
−
20
360
Ω
µA
mA
V
mV
mV
MHz
ns
ns
−
10
−
ns
−
−
1
µA
−
−
1
V
1750 2000 2250 Ω
−
V₂₃
−
V
300
−
−
µA
200
−
−
µA
1
−
−
mA
−
2.5
−
V
chrominance signal
−
5
−
mV
blanked
chrominance signal not −
5
−
mV
blanked
−
120
−
Ω
f = 4.25 MHz
−
165
−
mV
f = 4.406 MHz
−
205
−
mV
July 1994
16