MT2122 SINGLE-CHIP BROADBAND TUNER

PRODUCT BRIEF

MT2122 PB-00121 — Rev 1.0

June 2006

Microtune, Inc., 2201 Tenth Street, Plano, TX 75074, USA

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, 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; 6,920,182; 6,922,556; 6,963,478; 6,973,288; 6,993,310; 7,035,614; D469,742 and additional patents pending or filed.

Entire contents Copyright © 1996 - 2006 Microtune, Inc.

060206

RECOMMENDED OPERATING CONDITIONS

ABSOLUTE RATINGS

MT2122 Pin Diagram

MT2122 Block Diagram

1

2

3

4

5

6

12

11

10

9

8

7

14

13

42

41

40

39

38

37

36

35

34

33

32

31

30

29

Exposed die attach paddle on package

bottom

HBinp

HBshp

LBshp

LBinp

FDCin

FDCVcc

FDCout

LO1tcm1

LO1tcm2

LO1reg

VCCLO1

LO1LPF

GPO

A0

VGACTRL

VGAINn

VGAINp

AFCin

GND

LO2LPF

VCCLO2

LO2reg

LO2tcm

IFVCC

MIX2OUTp

PINSe

PINSh

MIX2OUTn

MHz In

PLL

PLL

OOB

Tuner

PIN Diode

Atten

Loop

Filter

Loop

Filter

Charge

Pump

Charge

Pump

3-bit

AD

GPO

Selectable Preslector

Filter

Serial

Bus

MIX2 Output

VGA Output

2nd IF Saw

1st IF Saw

FDC

IF Gain Control

RF Gain Control

Pin Diode

Controller

AFC In/Temp

Out

Die Temp

Sensor

Buffered

Reference

Output

Input Balun

Clock

Data

FDC

LNA

LO1

MIX1

MIX2

LO2

VGA

Supply voltage, +5 V

6

V

Supply voltage, +3.3 V

3.6

V

Junction temperature

125

°C

Storage temperature

-50

150

°C

Lead-free solder temperature for 5

seconds

260

°C

Relative humidity

95

%

Input voltage

-0.3

VCC +0.3

V

Input frequency range

48

1100

MHz

First intermediate center

frequency

1690

MHz

Second intermediate

frequency (programmable)

30

60

MHz

Supply voltage 5 V

4.75

5.0

5.25

V

Supply voltage 3.3 V

3.15

3.3

3.45

V

Supply voltage ripple

15

mV

Operating junction

temperature

125

°C

VGA differential output load

impedance

300

Ω

Serial control clock

400

kHz

MIX2 differential load

impedance

800

Ω