TDA18271HD_09 Datasheet, PDF (58/70 Pages) NXP Semiconductors – Silicon Tuner IC

NXP Semiconductors
TDA18271HD
Silicon Tuner IC
Table 60. General characteristics for TV reception (RF input to IF output)
T_amb = 25 °C; V_CC = 3.3 V; IF output level option 2 V (p-p); IF output load = 1 kΩ on each terminal;
for test circuit see Figure 27; unless otherwise specified.
Symbol Parameter
Conditions
Min Typ Max Unit
Supply
V_CC
supply voltage
3.13 3.30 3.47 V
I_CC
supply current Normal mode
180 235 290 mA
Standby mode with LT, STO and
crystal oscillator on (default at
POR)
40 51 65 mA
Standby mode with only crystal
oscillator and its output on
10 15 20 mA
Device off mode
12 5
mA
P
power
dissipation
- 780 -
mW
T_amb
ambient
temperature
0-
70 °C
Input
f_RF
VSWR
RF frequency center of channel
voltage standing RF input; 75 Ω nominal
wave ratio
impedance
45 -
-2
864 MHz
-
-
NF_tun
tuner noise
figure
maximum gain
- 5.5 -
dB
G_v(tun)max maximum tuner 2 V (p-p) IF output selection
voltage gain
- 83 -
dB
∆G_AGC(tun) tuner AGC gain
range
- 71 -
dB
V_i(max)
maximum input
voltage
1 dB gain compression, one
analog TV signal at RF input
(−5 dBm)
- 103 -
dBµV
V_L(tun-RF)
leakage voltage at RF input; in RF band
between tuner
and RF
-0-
dBµV
Output
V_{o(IF)dif(p-p)} peak-to-peak
differential IF
output voltage
IF_LEVEL[2:0] = 000
IF_LEVEL[2:0] = 001
IF_LEVEL[2:0] = 010
-2-
V
- 1.25 -
V
-1-
V
IF_LEVEL[2:0] = 110
- 0.6 -
V
IF_LEVEL[2:0] = 111
- 0.5 -
V
Z_o(IF)
IF output
impedance
differential mode; magnitude
value
- 100 -
Ω
∆G_AGC(IF) IF AGC GAIN
range
2 V (p-p) IF output voltage
selection
- 30 -
dB
G_tlt
tilt gain
RF frequency range; 6/7/8 MHz
-24
dB
channel
TDA18271HD_4
Product data sheet
Rev. 04 — 19 May 2009
© NXP B.V. 2009. All rights reserved.
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