tda9880t NXP Semiconductors, tda9880t Datasheet - Page 10

• Manufacturer Part Number: tda9880t
• Description: Alignment-free Multistandard Vision And Fm Sound If-pll Demodulator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
PC/SC = 10 dB) is used for specification; V
1 : 1; DSB video modulation; 10% residual carrier; video signal in accordance with “NTC-7 Composite” ; measurements
taken in test circuit of Fig.18; unless otherwise specified.
2000 Nov 22
Supply (pin 17)
V
I
P
VIF amplifier (pins 1 and 2)
V
V
G
B
B
R
C
V
FPLL and true synchronous video demodulator; note 4
f
f
t
V
S
I
P
VCO(max)
VIF
acq
o(source)(PD)(max)
P
V
f
P
tot
i(sens)(VIF)(rms)
i(max)(rms)
VIF( 3dB)(ll)
VIF( 3dB)(ul)
I
i(sens)(VIF)(rms)
IGNAL AT PIN
i(dif)
i(dif)
Alignment-free multistandard vision and
FM sound IF-PLL demodulator
VIF(cr)
VIF
= 5 V; T
int
SYMBOL
amb
18
= 25 C; see Table 2 for input frequencies; M standard (f
supply voltage
supply current
total power dissipation
VIF input voltage sensitivity
(RMS value)
maximum input signal voltage
(RMS value)
internal IF amplitude difference
between picture and sound
carrier
VIF gain control range
lower limit 3 dB VIF
bandwidth
upper limit 3 dB VIF
bandwidth
differential input resistance
differential input capacitance
DC input voltage
maximum oscillator frequency
for carrier regeneration
vision carrier operating
frequencies
VIF frequency window of digital
acquisition help
acquisition time
VIF input voltage sensitivity at
pins 1 and 2 (RMS value)
maximum source current of
phase detector output
for PLL to be locked
for C/N = 10 dB
PARAMETER
i(VIF)(rms)
note 1
1 dB video at output;
note 2
within AGC range;
see Fig.3
note 3
note 3
f = 2f
see Table 2
referenced to f
BL = 70 kHz; note 5
maximum IF gain
notes 6 and 7
= 10 mV (sync level); IF input from 50
1 dB video at output
f = 4.5 MHz
PC
CONDITIONS
10
VIF
PC
= 45.75 MHz; f
4.5
85
110
65
70
1.7
1.2
120
MIN.
5
100
500
50
0.7
69
15
100
2.2
1.7
3.35
140
38.0
38.9
45.75
58.75
30
100
17
SC
2.38
TYP.
via broadband transformer
= 41.25 MHz;
Product specification
5.5
115
633
100
1
25
2.7
2.5
30
70
140
TDA9880T
MAX.
V
mA
mW
mV
dB
dB
MHz
MHz
k
pF
V
MHz
MHz
MHz
MHz
MHz
MHz
ms
V
V
V
A
UNIT