Datasheet > TK14551V/14551

TK14551V/14551

更新时间： 2024-10-01 22:10:31

品牌	Logo	应用领域
TOKO		放大器
页数	文件大小	规格书
32页	335K
描述
FM IF DETECTOR/AMPLIFIER

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中文翻译

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数据手册

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TK14551V/14551 数据手册

TK14551V

FM IF DETECTOR/AMPLIFIER

FEATURES

APPLICATIONS

ꢀꢀꢀWide Band FSK Demodulation

ꢀꢀꢀWide Band FM Demodulation

ꢀꢀꢀIF Input Frequency ~90 MHz (TYP)

ꢀꢀꢀBalanced Input (IF)

ꢀꢀꢀIncludes Dual High Speed RSSI Outputs. One is for ꢀꢀꢀVideo Signal Demodulation

ꢀꢀꢀWide Band ASK Demodulation

ASK demodulation, another one is for carrier

sensing.

ꢀꢀꢀRSSI outputs are accurate with stable temperature

characteristic and include buffer amplifiers.

ꢀꢀꢀHigh Speed RSSI Comparator for Carrier Sensing

ꢀꢀꢀHIgh Speed Data Comparator (~2 Mbps)

ꢀꢀꢀWide Band Demodulator (~1 MHz)

ꢀꢀꢀBattery Save Function

TK14551

ꢀꢀꢀLow Voltage Operation: 3.0 ~ 5.5 V

ꢀꢀꢀVery Small Package (TSSOP-24)

IF DECOUPLE

IF INPUT (-)

23 IF INPUT (+)

22 IF GND

DESCRIPTION

IF OUTPUT

FM DEMODULATOR INPUT

BATTERY SAVE

IF V

20 RSSI COMP BIAS

The TK14551V is a wide band IF IC capable of operating

up to 90 MHz. It includes an FM demodulator, RSSI, RSSI

comparator and data comparator. These functions can

perform high-speed operations. The TK14551V has a

unique function that allows establishing the demodulation

characteristicsbychangingtheexternalRCtimeconstant,

and not changing the phase shifter constant. The RSSI

output is individually trimmed, resulting in excellent

accuracy, good linearity, and stable temperature

characteristics. Because the TK14551V includes a dual

high-speed RSSI output, it is possible to demodulate AM

simply and to sense the carrier level at the same time.

19 RSSI OUTPUT-1

GND

18 RSSI OUTPUT-2

17 RSSI BUFFERED OUTPUT-1

16 RSSI COMP OUTPUT

15 RSSI COMP GND

FM DEMODULATOR AMP INPUT

FM DEMODULATOR AMP OUTPUT

RSSI BUFFERED OUTPUT-2

DATA COMP INPUT (-)

DATA COMP INPUT (+)

14 DATA COMP GND

13 DATA COMP OUTPUT

BLOCK DIAGRAM

Therefore, the TK14551V is suitable for high-speed data

communication and can be used for various applications.

BIAS

AMP

RSSI

The TK14551V is available in the very small TSSOP-24

surface mount package.

RSSI

Comparator

ORDERING INFORMATION

Demodulator

TK14551V

BUFF2

Tape/Reel Code

TAPE/REEL CODE

TL: Tape Left

January 2000 TOKO, Inc.

Page 1

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中文翻译

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