TDA18271HD/C2,557 NXP Semiconductors, TDA18271HD/C2,557 Datasheet - Page 3

• Manufacturer Part Number: TDA18271HD/C2,557
• Description: IC TV SILICON TUNER 64-HLQFN
• Manufacturer: NXP Semiconductors
• Type: Silicon Tunerr

Specifications of TDA18271HD/C2,557

• Applications: Set-Top Boxes
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935285058557; TDA18271HD/C2; TDA18271HD/C2

NXP Semiconductors
6. Block diagram
TDA18271HD_4
Product data sheet
Fig 1.
FM_IN
RF_IN
STO
LT
10
15
13
8
Block diagram
AGC1
LNA
AGC CONTROL
ATTENUATORS
TDA18271HD
AGC2
AS
INTERFACE
32
CONTROL
SCL
38
SDA
LC
tracking
filters
39
TEST SIGNAL
GENERATOR
CONVERTER
DC-to-DC
Rev. 04 — 19 May 2009
AGC
RF
35
VT_CAL
polyphase
SYNTHESIZER
CALIBRATION
filter
RF
34
CP_CAL
XTALP
mixer
CIRCUITRY
26
oscillator
crystal
DIGITAL
polyphase
filter
27
XTALN
IF
SYNTHESIZER
DUAL TUNER
PROTOCOL
AGC
MAIN
24
CP_LO
low-pass
filter
TDA18271HD
VT_FINE
IF
DIVIDER
22
AGC
IF
VCO
21
VT_COARSE
© NXP B.V. 2009. All rights reserved.
45
46
47
28
19
Silicon Tuner IC
001aag453
IFOUTN
IFOUTP
V_IFAGC
FREEZE
MASTERSYNC
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