TDA8505 Datasheet, PDF (17/32 Pages) NXP Semiconductors – SECAM encoder

Philips Semiconductors
SECAM encoder
Preliminary specification
TDA8505
SYMBOL
PARAMETER
FREQUENCY OF CHROMINANCE SIGNAL (NOTE 3)
f_OR
f_OB
f_max
f_min
∆D'R
∆D'B
black level of D'R
black level of D'B
maximum frequency
minimum frequency
deviation of D'R
deviation of D'B
CVBS output (pin 21)
I_sink(max)
I_source(max)
V_black
G_Y
G_CHR
R_O
maximum sink current
maximum source current
black level voltage
gain Y+SYNC (pin 23 to pin 21)
gain CHROMA (pin 18 to pin 21)
output resistance
LPFDR output (pin 13)
V_O
DC control voltage level
control sensitivity
I_LO
output leakage current
LPFDB output (pin 15)
V_O
DC control voltage level
control sensitivity
I_LO
output leakage current
LPF4.4 output (pin 24)
V_O
DC control voltage level
control sensitivity
I_LO
output leakage current
LPF4.25 output (pin 31; C_ext = 270 pF)
V_O
DC control voltage level
control sensitivity
I_LO
output leakage current
VCO4.25 (pin 27; note 4)
CS input (pin 29)
V_I(p-p)
sync pulse input amplitude
(peak-to-peak value)
slicing level
I_I
I_O(max)
input current
maximum output current
CONDITIONS
EBU bar of 75%
EBU bar of 75%
during sync
MIN. TYP. MAX. UNIT
−
4406 −
kHz
−
4250 −
kHz
4721 4756 4791 kHz
3865 3900 3935 kHz
252
280
308
kHz
207
230
253
kHz
250
−
−
µA
1
−
−
mA
−
1.6
−
V
−
6
−
dB
−
6
−
dB
−
120
−
Ω
tbf
2.4
tbf
V
−
0.2
−
kHz/mV
−
−
50
nA
tbf
2.1
tbf
V
−
1.5
−
kHz/mV
−
−
50
nA
tbf
2.3
tbf
V
−
1.5
−
kHz/mV
−
−
100
nA
tbf
2.3
tbf
V
−
5.3
−
kHz/mV
−
−
100
nA
75
300
600
mV
−
50
−
%
−
4
−
µA
−
100
−
µA
July 1994
17