tda18219hn NXP Semiconductors, tda18219hn Datasheet - Page 30

• Manufacturer Part Number: tda18219hn
• Description: Silicon Tuner For Terrestrial And Cable Digital Tv Reception
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 33.
T
AGC1 TOP: 95/89 dB
unless otherwise specified.
[1]
[2]
Table 34.
T
TDA18219HN_1
Objective data sheet
Symbol
G
G
ΔG
ΔG
ICP
IP3
IP2
CSO
CTB
Symbol Parameter
f
VSWR
NF
G
CSO
CTB
RF
amb
amb
v(max)
v(min)
v
rsd
AGC(tun)
I
I
1dB
If this residual step is considered as limitating for the IC performances, refer to application note for compromise to circumvent it.
Single wanted channel, 100 dBμV level, at tuner input.
= 25
= 25
°
°
RF frequency
voltage standing wave ratio
noise figure
voltage gain
composite second-order distortion
composite triple beat
C; V
C; V
General characteristics for TV reception (RF input to IF output) in case of LT usage
Loop-through characteristics
Parameter
maximum voltage gain
minimum voltage gain
residual gain variation
tuner AGC gain range
1 dB input compression point
input third-order intercept point
input second-order intercept
point
composite second-order
distortion
composite triple beat
CC
CC
= 3.3 V; IF output level option 1 V (p-p); IF output load of 1 k
= 3.3 V; unless otherwise specified.
μ
V; AGC3 TOP: 96 dB
Remark: The LT function is available whatever the AGC1 gain range, nevertheless if the
level is such that AGC1 goes below +6 dB, LT output will then reproduce AGC1 gain steps
from +3 dB to −12 dB if the AGC1 gain range is not limited by AGC1_6_15dB bit. (0Ch, bit
6).
μ
V; AGC4 TOP: 105/100 dB
Conditions
all bands
all bands
in case of RF gain change
at tuner input and minimum gain
gain corresponding to 100 dBμV
gain corresponding to 100 dBμV
worst interferer over RF frequency wrt
to wanted carrier
worst interferer over RF frequency wrt
to wanted carrier
Conditions
full range of RF input
75 Ω nominal impedance
129-NTSC channels 75 dBμV input level
129-NTSC channels 75 dBμV input level
Rev. 01 — 3 February 2010
Silicon Tuner for terrestrial and cable digital TV reception
μ
V; AGC5 TOP: 105/100 dB
Ω
/1 pF; AGC1 range: from +6 dB to +15 dB;
[1]
[2]
[2]
Min
<tbd> <tbd> <tbd>
<tbd> <tbd> <tbd>
-
-
<tbd> -
<tbd> -
<tbd> -
<tbd> <tbd> <tbd>
<tbd> <tbd> <tbd>
TDA18219HN
Min
42
-
-
1
-
-
Typ
-
<tbd> -
μ
V; IF LEVEL:
Typ
-
-
6
-
-
-
© NXP B.V. 2010. All rights reserved.
Max
<tbd>
-
-
-
Max
870
3
-
4
−57
−57
−
6/24 dB;
Unit
dB
dB
dB
dB
dBμV
dBμV
dBμV
dBc
dBc
30 of 49
Unit
MHz
dB
dB
dBc
dBc