Philips Semiconductors
Product specification
Multistandard vision and sound-IF PLL with
DVB-IF processing
TDA9819
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VIF amplifier (measured at fIF = 43.75 MHz; DVB mode)
V4-5(rms)
V4-5(rms)
input sensitivity (RMS value)
−1 dB αAM signal at output
+1 dB αAM signal at output
−
−
200
−
µV
maximum input signal
(RMS value)
200
−
mV
∆G
total gain control IF amplifier
tilt for ∆f ±3 MHz
52
−
58
−
1
−
−
dB
dB
kΩ
pF
fs = 6.9 MHz; 40 dB gain
0.5
2.2
1.7
R4-5(diff)
C4-5(diff)
input resistance (differential)
input capacitance (differential)
note 2
note 2
−
−
DVB mixer and VCO
fVCO
maximum oscillator frequency
2(fIF + fs)
125
130
60
−
−
MHz
mV
V0 ref(rms)
oscillator voltage swing between
pins 24 and 25 (RMS value)
−
∆ϕSSB
V16
VCO phase noise at f = 100 kHz free-running
103
0
107
−
−
dBc/Hz
V
VCO control range
see Figs 10 and 11
VP
76
Ri,16
SVCO
VCO control input resistance
control steepness ∆fs/∆V16
50
63
kΩ
see Figs 10 and 11
DVB (USA)
−
−
0.29
0.40
−
−
MHz/V
MHz/V
DVB (EUROPE)
DVB output buffer
VO DVB(p-p) DVB output signal (QAM)
1.8
1.9
1.5
2.0
2.1
2.3
−
2.4
2.7
−
V
(peak-to-peak value)
Iint 18
DC internal bias current for
emitter-follower
mA
mA
mA
I18 max(sink)
maximum AC and DC output
sink current
I18 max(source) maximum AC and DC output
source current
−
−
DVB AGC detector
tresp
response to an increasing
amplitude step in the
IF input signal
−
−
0.25
0.25
0.1
ms/dB
ms/dB
response to a decreasing
amplitude step in the
IF input signal
−
I28
charging current
−
200
200
2.5
10
−5
−
−
µA
µA
V
discharging current
−
−
V15
AGC adjust input voltage range
AGC adjust input resistance
AGC adjust steepness
1
4.5
12
−
Ri,15
Sadj
V13
8
kΩ
dB/V
V
2 V < V15 < 3 V
see Fig.3
−
external AGC voltage for DVB
external AGC input resistance
1
4.5
−
Ri,13
40
−
kΩ
1998 Jul 14
17
NXP [ NXP ]
