TDA18218HN Datasheet, PDF (12/25 Pages) NXP Semiconductors – DVB-T Silicon Tuner IC

NXP Semiconductors
TDA18218HN
DVB-T Silicon Tuner IC
Table 10. Die temperature values …continued
TM_D[3:0]
Temperature range selection (die temperature)
TM_RANGE = 0
TM_RANGE = 1
1101
78 °C
110 °C
1110
82 °C
114 °C
1111
80 °C
112 °C
9.5 Standby mode selection
Table 11. Standby mode selection
Mode
Device-off mode
Standby mode with loop-through and crystal
oscillator on (default at POR), XTOUT 1200 mV
Standby mode with only crystal oscillator on
Power down byte 1 (address 17h)
SM (bit 0) pdAGC1b (bit 3) XTOUT
1
1
see Table 8
1
0
see Table 8
1
1
see Table 8
9.6 IF level
Refer to Table 21 “General characteristics for TV reception (RF input to IF output)”.
9.7 AGC and band-pass filters
Table 12. AGC and band-pass filter bit descriptions
Address Register
Bit Symbol
Access Value Description
03h
Read byte 3 7 to 0 AGC2[7:0]
R/W -
AGC2 gain = 0.2 × (AGC2[7:0]) − 12 (dB)
range = −12 dB to 16.4 dB
04h
Read byte 4 7 and AGC1[2:0]
R/W
AGC1 gain range = 6 dB to 15 dB
1 to 0
0
6 dB
1
9 dB
2
12 dB
3
15 dB
1Ah
IF byte 1
2 to 0 BP_Filter[2:0] W
band-pass filters
3
filter 3 (174 MHz to 188 MHz)
4
filter 4 (188 MHz to 253 MHz)
5
filter 5 (253 MHz to 343 MHz)
6
filter 6 (343 MHz to 870 MHz; bypass)
1Bh
IF byte 2
1 to 0 LP_Fc[1:0]
W
low-pass filter cut-off frequency
0
6 MHz
1
7 MHz
2
8 MHz
1Ch
AGC2b byte 4
AGC_On
W
AGC1 and AGC2 clock on or off
0
off
1
on
TDA18218HN_1
Product data sheet
Rev. 01 — 8 July 2009
© NXP B.V. 2009. All rights reserved.
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