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TDA18260HN Datasheet

Dual cable Silicon Tuner

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TDA18260HN
Dual cable Silicon Tuner
Rev. 2 — 14 December 2010
Preliminary data sheet
1. General description
The TDA18260HN is a dual Silicon Tuner IC designed specifically for high definition
multi-tuner cable Set Top Boxes (STBs) supporting single streaming and multi-streaming
PVR STBs with watch, record, video-on-demand and in-home video distribution capability.
Used in conjunction with the TDA10025HN (dual digital channel demodulator), the
TDA18260HN covers all worldwide digital cable standards.
The TDA18260HN ensures a low system cost as:
Costly components such as low noise amplifiers, Surface Acoustic Wave (SAW)
filters and incremental crystal oscillators have been eliminated from the system Bill
Of Materials (BOM)
The TDA18260HN high performance Silicon Tuner meets today’s digital cable TV
reception needs with:
Matched performance levels for master and slave tuners
Low power consumption
High linearity
Low noise figure
The TDA18260HN ensures ease of use with:
Easy on-board integration
Efficient and effective PCB design
Reduced external components
2. Features and benefits
Supports up to three tuner functions (up to six individual streams) specifically aimed
for gateways and STBs:
Two low IF outputs
Two RF outputs to drive slave tuners
Integrated splitter eases and simplifies the design of dual Tuner PVR
Integrated wideband gain control
Extended frequency coverage up to 1002 MHz
Single 3.3 V power supply
Low power consumption
Multistandard cable receptions
Enhanced Band-pass filter to reduce in band third and fifth signal harmonics
Enhanced RF filters to increase selectivity and adjacent channels filtering, especially
enhanced immunity for MoCA coexistence
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NXP Semiconductors Electronic Components Datasheet

TDA18260HN Datasheet

Dual cable Silicon Tuner

No Preview Available !

NXP Semiconductors
TDA18260HN
Dual cable Silicon Tuner
RF Loop-Through (LT)
Fully integrated IF selectivity, eliminates external SAW filters
Fully integrated oscillators:
No external oscillator components for reduced cost
16 MHz crystal oscillator output buffer for single crystal applications
I2C-bus provides:
3.3 V microcontroller compatibility
Received Signal Strength Indicator (RSSI) data access
Die temperature sensor data access
Lead-free (Pb) manufacturing
3. Quick reference data
Table 1. Quick reference data
Symbol Parameter
Conditions
fRF
NFtun
n
RF frequency
tuner noise figure
phase noise
edge
maximum gain
RF frequency range, worst case
10 kHz
100 kHz
VL(tun-RF)
leakage voltage between
tuner and RF
at RF input; in RF TV band
CSO
composite second-order
distortion
CTB
composite triple beat
P power dissipation
image
image rejection
measured at IF frequency = 4 MHz
RSSIacc(abs) absolute accuracy of received only one channel at RF input; channel
signal strength indicator
level from 15 dBmV to +15 dBmV;
calibration done at 0 dBmV
RSSIacc(rel) relative accuracy of received only one channel at RF input; channel
signal strength indicator
level from 15 dBmV to +15 dBmV
[1] Channel loading assumptions: 135 channels (NTSC 135 frequency plan) at 75 dBV.
4. Ordering information
Min Typ Max Unit
51 -
1002 MHz
- 6.0 <tbd> dB
- 85 - dBc/Hz
- 107 - dBc/Hz
- 10 +8 dBV
[1] - 64 <tbd> dBc
[1] -
60
- 1.6
<tbd> 62
3 -
<tbd> dBc
-W
- dB
+3 dB
0.5 -
+0.5 dB
Table 2. Ordering information
Type number Package
Name Description
TDA18260HN/C1 HVQFN48 plastic thermal enhanced very thin quad flat package;
no leads; 48 terminals; body 7 7 0.85 mm
Version
SOT619-1
TDA18260HN_SDS
Preliminary data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 14 December 2010
© NXP B.V. 2010. All rights reserved.
2 of 8
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Part Number TDA18260HN
Description Dual cable Silicon Tuner
Maker NXP
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