Datasheet > ISG510067

ISG510067

更新时间： 2024-11-23 21:54:23

品牌	Logo	应用领域
其他 - ETC		放大器电视
页数	文件大小	规格书
7页	211K
描述
DTV IF AGC AMPLIFIER

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中文翻译

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ISG510067 数据手册

PRELIMINARY DATA SHEET

ISG510067

DTV IF AGC AMPLIFIER

FEATURES

FUNCTIONAL DIAGRAM

• 3.3 V SINGLE SUPPLY OPERATION

• LOW POWER CONSUMPTION (330 mW)

• LOW DISTORTION

SAW FILTER

VDD

• 85 dB TOTAL VOLTAGE GAIN

• 54 dB TOTAL GAIN CONTROL RANGE

• 25-100 MH^ZOPERATION

28,18 27,17 26,19 25, X 24,15 23,14 22,13

1, X

2, 20

3, 1

4, X

5, X

6, 2

7, 6

21,16

20,11

VIDEO

AMP

NC*

VID OUT

DESCRIPTION

OUTPUT

19,12 MATCHING

The ISG510067 consists of an input AGC amplifier and a

video/AGC amplifier. The amplifiers are designed to interface

directly with standard saw filters. The AGC isdelayedbetween

the two blocks for optimal NF and IM3 performance across the

full AGC range. The final stage is capable of providing 2 VPP

into a 500 Ω load. There are two package options MLP28 and

TSSOP 20.

18,10

VDD

17, 9

16, 8

15, 7

AMP

VDD

8, 3

9, 4 10, X 11, 5 12, X 13, X 14, X

AGC

APPLICATIONS

• Digital Terrestrial Tuners • Digital TV Sets.

ELECTRICAL CHARACTERISTICS (TA = 25°C, VDD = 3.3 V, unless otherwise specified)

SYMBOLS PARAMETERS AND CONDITIONS

UNITS

MIN

TYP

MAX

RF Performance

RFIN

GMAX

VAGC

AGC

IM3

RF Input Frequency Range

MHz

43.75

100

Maximum Gain*

AGC Voltage

AGC Dynamic Range VAGC = 0 to 3 V

Third Order Intermodulation, 1 VPP Differential Output, 1K ohm load

Third Order Intermodulation, 2 VPP Differential Output, 1K ohm load

IF Output Level, Differential Output, 1K ohm load

Noise Figure, VAGC = 3 V

dBc

VPP

IFOUT

13.5

GINPUT

GVIDEO

Input Amp Gain, VAGC = 3 V

Video Amp Gain, VAGC = 3 V

DC Performance

VDD

IDD

Supply Voltage

Supply Current

3.3

100

Includes saw filter loss.

ABSOLUTE MAXIMUM RATINGS

(TC = 25°C unless otherwise noted)

SYMBOLS PARAMETERS

VDD (GND) Supply Voltage (GND)

UNITS

RATINGS

-0.3 to +3.6

-40 to +85

-65 to +150

+150

TOP

Operating Temperature

Storage Temperature

Junction Temperature

°C

TSTG

°C

Thermal Resistance (Ø ja) °C/W

Note:

1. Operation in excess of any one of these parameters may result

in permanent damage.

REV. C

7/21/2004

12 3 4 5 6 7

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