Philips Semiconductors
PAL/NTSC colour processor for
PIP applications
Preliminary specification
TDA8310
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
CHROMINANCE INPUT (PIN 16)
V16(p-p)
chrominance input voltage
(peak-to-peak value)
notes 2, 10 and 17
−
0.3
V16(p-p)
input signal amplitude before clipping note 6
occurs (peak-to-peak value)
1.0
−
RI
chrominance input resistance
CI
chrominance input capacitance
note 2
14
20
−
−
CHROMINANCE OUTPUT (PIN 47)
V47(p-p)
output signal voltage amplitude
(peak-to-peak value)
0.18 0.20
ZO
output impedance
VO
DC output voltage
open-circuit output
200
250
1.2
1.4
SWITCH CONTROL INPUT FOR INTERNAL/EXTERNAL POSITIVE/NEGATIVE MODULATION; note 11 (PIN 32)
V32
internal CVBS signal selected
with negative modulation
−
−
with positive modulation
note 12
2
−
V32
external CVBS or Y/C signal selected IF switched to negative 3.9
−
modulation
ZI
input impedance
ISS
suppression of non-selected video note 6
input signal
25
−
50
−
SWITCH CONTROL INPUT FOR EXTERNAL CVBS OR Y/C SELECTION (PIN 9)
V9
filters switched to CVBS condition
V9
filters switched to Y/C condition
note 12
V9
automatic selection of CVBS or Y/C
ZI
input impedance
Chrominance filters, luminance delay line and luminance output
−
−
2
−
3.9
−
25
−
CHROMINANCE TRAP CIRCUIT
ftrap
trap frequency
QF
trap quality factor
SR
colour subcarrier rejection
notes 6 and 13
−
fosc
−
2
20
−
CHROMINANCE BANDPASS CIRCUIT
fc
QBP
centre frequency
bandpass quality factor
note 6
−
fosc
−
3
Y DELAY LINE
∆td
difference in delay time between the
luminance and the demodulated
chrominance signals
B
bandwidth of internal delay line
note 6
note 6
0
50
8
−
MAX. UNIT
−
V
−
V
26
kΩ
5
pF
0.22 V
300
Ω
1.6
V
1
V
3
V
VP
V
−
kΩ
−
dB
1
V
3
V
VP
V
−
kΩ
−
MHz
−
−
dB
−
MHz
−
100
ns
−
MHz
February 1995
11