TDA7021T

更新时间： 2024-01-26 08:51:39

品牌	Logo	应用领域
恩智浦 - NXP		消费电路商用集成电路接收器集成电路光电二极管
页数	文件大小	规格书
13页	149K
描述
FM radio circuit for MTS

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TDA7021T 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	PLASTIC, SO-16
针数：	16	Reach Compliance Code：	unknown
风险等级：	5.82	商用集成电路类型：	AUDIO SINGLE CHIP RECEIVER
解调类型：	FM	谐波失真：	2.3%
JESD-30 代码：	R-PDSO-G16	长度：	9.9 mm
功能数量：	1	端子数量：	16
最高工作温度：	70 °C	最低工作温度：
标称输出电压（调频）：	90 mV	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.75 mm
信噪比Nom（FM）：	60 dB	最大供电电压 (Vsup)：	6 V
最小供电电压 (Vsup)：	1.8 V	表面贴装：	YES
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	宽度：	3.9 mm
Base Number Matches：	1

TDA7021T 数据手册

Philips Semiconductors

Product speciﬁcation

FM radio circuit for MTS

TDA7021T

GENERAL DESCRIPTION

The TDA7021T integrated radio receiver circuit is for portable radios, stereo as well as mono, where a minimum of

periphery is important in terms of small dimensions and low cost. It is fully compatible for applications using the

low-voltage micro tuning system (MTS). The IC has a frequency locked loop (FLL) system with an intermediate frequency

of 76 kHz. The selectivity is obtained by active RC filters. The only function to be tuned is the resonant frequency of the

oscillator. Interstation noise as well as noise from receiving weak signals is reduced by a correlation mute system.

Special precautions have been taken to meet local oscillator radiation requirements. Because of the low intermediate

frequency, low pass filtering of the MUX signal is required to avoid noise when receiving stereo. 50 kHz roll-off

compensation, needed because of the low pass characteristic of the FLL, is performed by the integrated LF amplifier.

For mono application this amplifier can be used to directly drive an earphone. The field-strength detector enables

field-strength dependent channel separation control.

Features

• Loop amplifier

• RF input stage

• Mixer

• Internal reference circuit

• LF amplifier for

• Local oscillator

• IF amplifier/limiter

• Frequency detector

• Mute circuit

− mono earphone amplifier or

− MUX filter

• Field-strength dependent channel separation control

facility

• MTS compatible

QUICK REFERENCE DATA

PARAMETER

CONDITIONS

SYMBOL MIN.

TYP.

MAX.

6,0

UNIT

Supply voltage (pin 4)

Supply current

V = V

1,8

−

4-3

V = 3 V

6,3

−

RF input frequency

Sensitivity (e.m.f.) for

−3 dB limiting

1,5

−

110

MHz

source impedance = 75 Ω;

mute disabled

EMF

−

µV

Signal handling (e.m.f.)

AF output voltage

source impedance = 75 Ω

200

PACKAGE OUTLINE

16-lead mini-pack; plastic (SO 16; SOT109A); SOT109-1; 1996 July 24.

May 1992

123 4 5 6 7...13

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型号	品牌	描述	获取价格	数据表
TDA7021T/V4,118	NXP	IC FM, AUDIO SINGLE CHIP RECEIVER, PDSO16, PLASTIC, SO-16, Receiver IC	获取价格
TDA7021TD	NXP	IC FM, AUDIO SINGLE CHIP RECEIVER, PDSO16, PLASTIC, SO-16, Receiver IC	获取价格
TDA7021TD-T	NXP	IC FM, AUDIO SINGLE CHIP RECEIVER, PDSO16, PLASTIC, SO-16, Receiver IC	获取价格
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TDA7040T	NXP	Low voltage PLL stereo decoder	获取价格
TDA7040T/V2,112	NXP	IC SPECIALTY CONSUMER CIRCUIT, PDSO8, PLASTIC, SOT-96A, SOP-8, Consumer IC:Other	获取价格

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