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TEA6850H 数据表(PDF) 2 Page - NXP Semiconductors

部件名 TEA6850H
功能描述  IF filter / amplifier / demodulator for FM radio receivers
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

TEA6850H 数据表(HTML) 2 Page - NXP Semiconductors

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July 1994
2
Philips Semiconductors
Preliminary specification
IF filter / amplifier / demodulator for FM
radio receivers
TEA6850
FEATURES
• Improved dynamic selectivity and sensitivity because of
tunable IF filter
• Fully integrated, frequency matched FM demodulator
• High linearity
• Unweighted level detector output
• Soft mute
• MPX output for RDS and diversity
• Internal source selector.
GENERAL DESCRIPTION
The TEA6850 is a monolithic bipolar integrated circuit for
IF filtering, FM demodulation and level detection. Using IF
filters tuned by the demodulated signal, dynamic
selectivity and sensitivity are improved.
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1. SOT307-2; 1996 August 26.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VP
supply voltage (pin 7)
7
8.5
10
V
IP
supply current (pin 7)
14
17.5
21
mA
DS200
dynamic selectivity for 200 kHz
22
27
dB
distance (EMF = 700
µV;
filter bandwidth = 50 kHz)
S/N
signal-to-noise ratio
61
67
dB
(
∆f = ±22.5 kHz; fm = 1 kHz)
THD
total harmonic distortion
0.3
0.5
%
(
∆f = ±75 kHz; fm = 1 kHz)
VO
AF output signal at pin 4
180
200
220
mV
(RMS value)
Tamb
operating ambient temperature
−40
−+85
°C
EXTENDED TYPE
NUMBER
PACKAGE
PINS
PIN POSITION
MATERIAL
CODE
TEA6850H
44
QFP
plastic
SOT307(1)


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