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M
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RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
MT2060 SINGLE-CHIP BROADBAND TUNER
PRODUCT BRIEF
The MT2060 is a low-power 3.3V single-chip broadband tuner with an integrated IF variable gain amplifier.
MT2060 Single-Chip Broadband Tuner
The MicroTunerTM MT2060 is an advanced, low-power single-chip broadband tuner that has been optimized for high-performance cable modems and digital cable settop boxes that require low composite distortion and noise under digital cable environments. The MT2060 is capable of receiving frequencies in the 48MHz to 860MHz range and of converting a selected channel to a standard intermediate frequency (IF) between 30MHz and 60MHz. The MT2060's low close-in phase noise allows it to be used for both digital and analog signals including video, voice and high-speed data. Its dual-conversion architecture, with no requirement for tracking filters, yields the desirable characteristics of traditional cable television tuners: controlled input impedance across the entire input band, low in-band emissions, and outstanding image rejection. In addition, the MT2060 provides excellent in-band flatness as well as very repeatable gain characteristics across the complete reception band. With minor bill of material (BOM) changes, the MT2060 is capable of supporting multiple output standards. Provisions have been made to allow the MT2060 tuner to operate in low power modes. These modes are selectable using simple software commands. It reduces current consumption considerably and can effectively be used to extend the operation of battery-powered applications.
APPLICATIONS
* * * * * * * * VoIP Telephony Modem Cable Modems PacketCableTM E-MTA's Digital Set-top Boxes Home Gateways Multimedia Applications PC TV Flat Panel LCD TVs
FEATURES
* * * 48MHz to 860MHz input frequency range 3.3V power supply Works seamlessly with all analog and digital demodulators Low-power 1W dualconversion architecture Integrated first IF filter reduces BOM by eliminating first IF SAW filter Single-ended RF input reduces BOM by eliminating input balun Minimal external components No manually tunable parts required Integrated IF variable gain amplifier for direct connection to digital demodulators Fully compatible with NTSC, PAL, SECAM, DAVIC, DVB-C, DOCSIS 1.0, 1.1, and 2.0, EuroDOCSIS, and other standards Capable of driving multiple IF filters Multiple power modes to 800mW
MICROTUNE
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M T2 0 6 0 SIN G L E C H I P B R O ADB A ND T UN E R
PRODUCT BRIEF
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Input frequency range First intermediate center frequency Second intermediate center frequency (programmable) Supply voltage Supply voltage ripple Operating junction temperature VGA output load impedance Serial control clock
TUNER ELECTRICAL CHARACTERISTICS
MAX
860
MIN
48
TYP
1220
UNIT
MHz MHz MHz V mV C kHz
PARAMETER
Power Supply Active current Shut-down current RF Signal Path Input frequency range Return loss Noise figure at max gain Terminal voltage gain RF AGC range Gain variation at any frequency Image rejection LO phase noise (10kHz) LO phase noise (100kHz) LO step size IF VGA Frequency range Output voltage Terminal voltage gain Noise figure at max gain Serial Interface Serial clock frequency
MIN
TYP
300 14
MAX
UNIT
mA mA
30 3.15 3.3
60 3.45 15 100 400
48 8 8 42 30 -3 60 -86 -108 50 30 10 10
860
200
+3
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply voltage Storage temperature range Lead temperature (soldering 4 seconds) Input voltage
MIN
-40
MAX
3.6 +150 +245
UNIT
V C C V
MHz dB dB dB dB dB dBc dBc/Hz dBc/Hz kHz MHz Vp-p dB dB kHz
60 2.0 52
-0.3
VCC +0.3
MIX2RFvcc
400
VLNAbyp
48
46
45
44
43
42
41
40
39
FMIX1vcc
38
37
47
MIX2IFvcc
VLNAvcc
RFin
F1T
F2T
F3T
NC
NC
NC
NC NC RFagc PRES NC LO1Avcc LO1t2 LO1t1 LO1reg LO1Dvcc LO1lpf SERen
1 2 3 4 5 6 7 8 9 10 11 12
36 35 34 33
FGAop FGAon GPO2 LO2Avcc LO2reg LO2t
Exposed die attach paddle on package bottom
32 31 30 29 28 27 26 25
RF INPUT
LO2lpf LO2Dvcc VGAvcc VGAip VGAin IFagc
IF OUTPUT MIX 1 L01
PLL
MIX 2 L02
PLL
FGA
VGA
SRO
SERIAL CONTROL INTERFACE
SERIAL DATA CLOCK
SERsda
SERscl
SERa1
MT2060 Block Diagram
18
19
21
22
23 VGAop
14
13
15
16
SERvcc
SERa0
17
20
SROvcc
SROout
GPO1
SROp
SROn
MT2060 Pin Diagram
Microtune, Inc., 2201 Tenth Street, Plano, TX 75074, USA Tel: +1-972-673-1600, Fax: +1-972-673-1602, E-mail: sales@microtune.com, Web site: www.microtune.com For a detailed list of office locations, sales offices, and sales representatives, visit our Web site at www.microtune.com
The information in this document is believed to be accurate and reliable. Microtune assumes no responsibility for any consequences arising from the use of this information, nor from any infringement of patents or the rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or other rights of Microtune. The information in this publication replaces and supersedes all information previously supplied, and is subject to change without notice. The customer is responsible for assuring that proper design and operating safeguards are observed to minimize inherent and procedural hazards. Microtune assumes no responsibility for applications assistance or customer product design. The devices described in this document are not authorized for use in medical, life-support equipment, or any other application involving a potential risk of severe property or environmental damage, personal injury, or death without prior express written approval of Microtune. Any such use is understood to be entirely at the user's risk. Microtune is a registered trademark of Microtune, Inc. MicroTuner, MicroStreamer, VideoCaster, DataCaster, ClearTune, and the Microtune logo are trademarks of Microtune, Inc. All other trademarks belong to their respective companies. Microtune's products are protected by one or more of the following U.S. patents: 5,625,325; 5,648,744; 5,717,730; 5,737,035; 5,739,730; 5,805,988; 5,847,612; 6,100,761; 6,104,242; 6,163,684; 6,169,569; 6,172,378; 6,177,964; 6,211,745; 6,218,899; 6,268,778; 6,310,387; 6,323,736; 6,355,537; 6,429,502; 6,462,327; 6,535,068; 6,580,313; 6,608,522; 6,631,257; 6,714,776; 6,725,463; 6,744,308; 6,771,124; 6,784,945; 6,804,099; 6,888,406; 6,891,435; 6,906,594; 6,909,886; 6,919,774; 6,920,182; 6,922,556; 6,963,478; 6,973,288; 6,993,310; 7,035,614; 7,078,960; 7,079,195; 7,164,899; 7,171,176; D469,742 and additional patents pending or filed.
Entire contents Copyright (c) 1996 - 2007 Microtune, Inc.
VGAon
24
013007
MT2060 PB-00063 -- Rev 1.4
February, 2007

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