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RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
MT2064 SINGLE-CHIP BROADBAND TUNER
PRODUCT BRIEF The MT2064 is a low-power 3.3V singlechip broadband tuner with an integrated IF variable-gain amplifier.
MT2064 Single-Chip Broadband Tuner
The MicroTunerTM MT2064 is an advanced, low-power single-chip broadband tuner that has been optimized for high-performance cable modems and embedded multimedia terminal adapter (E-MTA) that require low composite distortion and low noise under digital cable environments. The MT2064 is capable of receiving frequencies in the 48 MHz to 1 GHz range and of converting a selected channel to a standard intermediate frequency (IF) between 30 MHz and 60 MHz. The MT2064's low phase noise makes it ideal for use in digital applications such as video, voice and high-speed data. Its dualconversion 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 MT2064 provides excellent in-band flatness as well as very repeatable gain characteristics across the complete reception band. The MT2064's low-power consumption significantly conserves current and can be effectively used to extend the operation of batterypowered E-MTA. The MT2064 can be used in conjunction with Microtune's upstream amplifiers to create a complete RF front end for bidirectional cable modem
APPLICATIONS
* * * VoIP Telephony Modems Cable Modems PacketCableTM E-MTA
FEATURES
* * * * * * * * 48 MHz to 1000 MHz input frequency range 3.3V power supply Single-ended RF input reduces BOM by eliminating input balun Works seamlessly with all digital demodulators Low power dual-conversion architecture Minimal external components No tunable parts required Integrated IF variable gain amplifier for direct connection to digital demodulators Low phase noise for excellent performance in QAM 64 and QAM 256 systems Software and hardware shutdown modes Frequency synthesizers fully programmable via serial-control interface Fully integrated VCO circuitry simplifies PCB layout General-purpose input/ output (GPIO) controllable via serialcontrol interface Intermediate frequency (IF) output fully compatible with DOCSIS 2.0, EuroDOCSISTM 2.0 Integrated temperature sensor Operates with a 16 MHz crystal Small 6 mm x 6 mm 40-pin Quad Flat No-Lead (QFN) package
(R)
PRELIMINARY
*
* *
* *
*
* * *
MT2064 SINGL E-C HIP BRO ADB AND TU N ER
PRODUCT BRIEF
RECOMMENDED OPERATING CONDITIONS
PARAMETER Supply voltage Supply voltage ripple Operating junction temperature Serial control clock MIN 3.15 TYP 3.3 MAX 3.45 25 125 400 UNIT V mVp-p C kHz
TUNER ELECTRICAL CHARACTERISTICS
PARAMETER Power supply Active current RF signal path Input frequency range Second intermediate frequency (programmable) 48 30 9.5 33 65 -84 -106 2.0 37 1000 60 MHz MHz dB dB dBc dBc/Hz dBc/Hz Vp-p dB 242 mA MIN TYP MAX UNIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply voltage Storage temperature range Lead-free temperature (soldering 5 seconds) Input voltage -0.3 -40 MIN MAX 3.6 150 260 VCC +0.3 UNIT V C C V
Noise figure RF gain range Image rejection Phase noise (10 kHz) Phase noise (100 kHz) IF Variable Gain Amplifier (VGA) Output voltage AGC range
DNCVCC
UPCVCC
UPCVCC
VGAINP
RFCAP
SECOND IF SAW ELECTRICAL CHARACTERISTICS
PARAMETER
30 29 28 27 VGAINN VGAVCC VGAOUTP VGAOUTN IFAGC LO2AVCC LO2REG LO2TN LO2TP LO2LPF
DNCN
DNCP
RFIN
GND
NC
40
39
38
37
36
35
34
33
32
31
MIN
TYP
MAX 17
UNIT dB
UPCVCC NC NC LO1AVCC
1 2 3 4 5 6 7 8 9 10
Second IF SAW loss
PRELIMINARY
NC LO1REG LO1T1 LO1T2P LO1T2N LO1LPF
Exposed paddle on package bottom
26 25 24 23 22 21
SIF RFin ATN UPC FIFF DNC VGA SIF IFAGC
11
12
13
14
15
16
17
18
19 GPIO
SRON
SERADDR
LO1DVCC
SERCLK
LO2DVCC
VCC
NC
SERDATA
SROP
20
RFPM LO1 GCU
FCU LO2
IFPM
MT2064 Pin Diagram
SER SRO
CLK Data
GPIO
16 MHz
MT2064 Block 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; 7,184,724; D469,742 and additional patents pending or filed. Entire contents Copyright (c) 1996 - 2007 Microtune, Inc. 030207
MT2064 PB-00132 -- Rev 1.3
May, 2007

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