tda9808t NXP Semiconductors, tda9808t Datasheet - Page 11

• Manufacturer Part Number: tda9808t
• Description: Single Standard Vif-pll With Qss-if And Fm-pll Demodulator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS (5 V SUPPLY)
V
(sync-level); V
video modulation DSB; residual carrier: 10%; video signal in accordance with “NTC-7 Composite” ; measurements taken
in Fig.13; unless otherwise specified.
1999 Jun 04
Supply (pin 18)
V
I
Vision IF amplifier (pins 1 and 2)
V
V
V
G
R
C
V
True synchronous video demodulator; note 4
f
V
f
t
V
P
VCO(max)
cr(pc)
acq
P
V
f
f
P
i(rms)
I(max)(rms)
i(VIF)(rms)
I(1,2)
VCO(rms)
i(IF)(rms)
i(diff)
i(diff)
Single standard VIF-PLL with QSS-IF and
FM-PLL demodulator
IFcr
osc
osc
= 5 V; T
SYMBOL
o(int)
/ T
/ V
P
amb
i(SIF)(rms)
= 25 C; see Table 1 for input frequencies and carrier ratios; input level V
supply voltage
supply current
allowable overload input
voltage (RMS value)
maximum input signal voltage
(RMS value)
VIF input signal voltage
sensitivity (RMS value)
internal IF amplitude
difference between picture
and sound carrier
IF gain control range
differential input resistance
differential input capacitance
DC input voltage
maximum oscillator frequency
for carrier regeneration
oscillator drift as a function of
temperature
oscillator shift as a function of
supply voltage
oscillator voltage swing at
pins 14 and 15 (RMS value)
picture carrier capture range
acquisition time
IF input signal voltage
sensitivity for PLL to be locked
(RMS value; pins 1 and 2)
= 4.5 mV (pins 19 and 20) (sound carrier); IF input from 50
PARAMETER
note 1
note 2
+1 dB video at output;
see Fig.4
see Fig.4
within AGC range;
M standard;
see Fig.4
note 3
note 3
note 3
f = 2f
oscillator is
free-running; I
note 5
oscillator is
free-running; note 5
BL = 70 kHz; note 6
maximum IF gain;
note 7
1 dB video at output;
f = 4.5 MHz
CONDITIONS
pc
11
AFC
= 0;
4.5
71
65
1.7
1.2
125
50
1.4
MIN.
via broadband transformer 1 : 1;
5
83
60
0.7
70
2.2
1.7
3.4
130
80
60
1.8
i(VIF)(rms)
TYP.
5.5
95
440
140
100
1
2.7
2.5
110
30
90
= 10 mV (pins 1 and 2)
20
1500
Product specification
MAX.
10
TDA9808
10
6
6
V
mA
mV
mV
dB
dB
k
pF
V
MHz
K
V
mV
MHz
ms
UNIT
V
V
1
1