TDA8262HN Datasheet, PDF (4/30 Pages) NXP Semiconductors – Fully integrated satellite tuner

Philips Semiconductors
7. Block diagram
TDA8262HN
Fully integrated satellite tuner
RFOUT ⁶
V_CC(LT) ⁴
2
GND(LT)
3
RFIN
loop-through
buffer
LNA
ATT
V_CC(RF) ⁷
5
GND(RF)
1
LEVEL
3 DETECTOR
1
GND(DIE)
0°
90°
AGC
9
AGC
control
TDA8262HN
PORT0 PORT1
8
5 MHz to 36 MHz filter
32
10
15
0 dB to +9 dB
variation gain
14
13
V_CC(BB)
GND(BB)
IP
IN
11
QP
12
QN
5
LATCH
AND
CONTROL BIT
3
I ² C - BUS
INTERFACE
29 _SDA
30
SCL
17
AS
15-BIT DIVIDER
× ^N2
N1
I/Q outputs
wide band
integrated
3, 2
oscillator
15
LOW-NOISE
INTEGRATED
LC OSCILLATOR
3
REFERENCE
DIVIDER
XTOUT
25
XTOUT
CRYSTAL
26
XT
OSCILLATOR ²⁷ _XTN
16
MS
LOCK
1
DETECTOR
POWER-ON 1
RESET
19 21
23 24
18
20 22
V_CC(VCO)
V_CC(PLL)
CAPVCO
GND(VCO)
GND(PLL)
VT CP
28 31
V_CC(DIG)
GND(DIG)
001aab034
Fig 1. Block diagram
9397 750 13194
Product data sheet
Rev. 01 — 14 December 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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