Datasheet > SN761631

SN761631

更新时间： 2024-09-13 04:03:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
26页	630K
描述
RF FRONT END FOR AM/FM IF SAMPLING RADIO

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SN761631 数据手册

SN761631

RF FRONT END FOR AM/FM IF SAMPLING RADIO

www.ti.com

SLES182–OCTOBER 2006

FEATURES

•

Radio Frequency (RF) Automatic Gain

Control (AGC) With Detection of RF and

Intermediate Frequency (IF) Signal

•

Programmable IF Tank Center-Frequency

Adjustment

FM Electrical Alignments for

RF Preselection Stage

•

Image Rejection Mixer

IF-Programmable Gain Control

•

Fast PLL for RDS System

Two IF Programmable Gain Amplifiers (PGA)

With Separate Gain Control for Analog/

In Band On Channel (IBOC) Signal Reception

Electrical Frequency Adjustments for

Crystal (Xtal) Oscillator

•

Crystal Oscillator Buffered Output for

Diversity Operation

64-PIN HTQFP (PAP)

(TOP VIEW)

64 63 62 61 60 59

57 56 55 54 53 52 51 50 49

IF_REF3

IF_IN30

XTAL_BUF_OUTN

AF_SAMPLE

AF_HOLD

BUS_ENABLE

SCL

IF_REF2

IF_IN180

GND_IFPGA

IFBUF_OUT_1

IFBUF_OUT_0

VCC8.5_IF

IF_IN1

SDA

GND_VCO

VCC8.5_VCO

VCO_COLL

VCO_BASE

VCC5.0_PLL_

GND_PLL

IF_VREF1

AMNB_TC

MIX_OUTN

MIX_OUTP

VCC8.5_RF

AMMIX_INN

AMMIX_INP

VCC8.5_PLL

CP1_OUT

CP2_OUT

VTUNE

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCT PREVIEW information concerns products in the

formative or design phase of development. Characteristic data and

other specifications are design goals. Texas Instruments reserves

the right to change or discontinue these products without notice.

12 3 4 5 6 7...26

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