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TEA5880TS 데이터시트 PDF




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부품번호 TEA5880TS 기능
기능 Integrated FM Stereo Radio ic For Host Processor Tuning in Handheld Applications
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TEA5880TS 데이터시트, 핀배열, 회로
TEA5880TS
Integrated FM stereo radio IC for host processor tuning in
handheld applications
Rev. 02 — 26 April 2004
Preliminary data sheet
1. General description
The TEA5880TS stereo FM radio IC dramatically reduces the printed-circuit board area
(only 100 mm2) needed to integrate FM radio functionality into portable devices. This
makes it invaluable for any application where space is at a premium.
Relying on a system host processor for radio tuning, the TEA5880TS is ideally suited for
powerful devices such as PDAs, notebooks, portable CD and MP3 players.
2. Features
s No alignments necessary
s Complete adjustment-free stereo decoder; no external crystal required
s Fully integrated MPX VCO circuit
s Fully integrated low IF selectivity and demodulation
s The full integration level means no or few external components required
s No external FM discriminator needed due to full integration
s Built-in adjacent channel interference total reduction (no 114 kHz, no 190 kHz)
s The level of the incoming signal at which the radio must lock is software programmable
s Due to new tuning concept, the tuning is independent of the channel spacing
s Very high sensitivity due to integrated low noise RF input amplifier
s RF Automatic Gain Control (AGC) circuit
s Standby mode for power-down, no power switch circuitry required
s 2.7 V minimum supply voltage
s MPX output for RDS
s 3-wire bus
s In combination with the host, fast, low power operation of preset mode, manual search,
automatic search and automatic store are possible
s Host can be in Sleep mode after tuning; a minute retuning is recommended to
compensate for temperature and voltage fluctuations
s Covers all Japanese, European and US bands.




TEA5880TS pdf, 반도체, 판매, 대치품
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LR1
17
VCC1
18
VCC1
19
LL1
20
reserved
21
MICROCONTROLLER
R/W
6
CLOCK
8
DATA
7
QUADRATURE
OSCILLATOR
TUNING
SYSTEM
RFIN 1
RFGND 2
QUADRATURE
MIXER
SELECTIVITY
DEMODULATOR
STABILISATOR
POWER
SWITCH
STEREO
DECODER
DIGITAL
INTERFACE
DE-EMPHASIS
50/75 µs
LEVEL VOLTAGE
GENERATOR
DE-EMPHASIS
15 kHz
10
MIXER 11
TEA5880TS
9
AUDL
AUDR
MPX
5 4 3, 13, 24
VCCA VCCD GND
12
LED
14, 15, 16, 22, 23
001aaa665
n.c.
Fig 1. Block diagram.
Depending on the antenna design the filter components at pins 1 and 2 may not be necessary. The only two remaining coils connected to pin
17 to 20 can be replaced by printed-circuit board traces that will fit underneath the TEA5880TS resulting in a design without any external
components; see Section 14 for details on the printed-circuit board coils.

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TEA5880TS 전자부품, 판매, 대치품
Philips Semiconductors
TEA5880TS
Integrated FM stereo radio IC for host processor tuning
RFIN 1
RFGND 2
GND 3
VCCD
VCCA
R/W
4
5
6
DATA 7
CLOCK 8
MPX 9
AUDL 10
AUDR 11
LED 12
TEA5880TS
24 GND
23 n.c.
22 n.c.
21 reserved
20 LL1
19 VCC1
18 VCC1
17 LR1
16 n.c.
15 n.c.
14 n.c.
13 GND
001aaa667
Fig 3. Pin configuration.
7. Functional description
7.1 FM quadrature mixer
The FM quadrature mixer converts FM RF (76 MHz to 108 MHz) to an IF of 110 kHz. The
FM quadrature mixer provides inherent image rejection.
7.2 Quadrature oscillator
The internally tuned LC VCO provides the Local Oscillator (LO) signal for the FM
quadrature mixer. The VCO frequency range is 150 MHz to 217 MHz.
7.3 Selectivity
Fully integrated I and Q channel IF filter.
7.4 Demodulator
The FM quadrature demodulator is an integrated PLL demodulator.
7.5 Level voltage generator and analog-to-digital converter
The level voltage is analog-to-digital converted with 3 bits and output via the data line.
7.6 IF counter
The IF counter outputs a 16-bit count result via the data line.
7.7 Mute
The digital interface controls the audio mute and output level.
9397 750 13022
Preliminary data sheet
Rev. 02 — 26 April 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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관련 데이터시트

부품번호상세설명 및 기능제조사
TEA5880TS

Integrated FM Stereo Radio ic For Host Processor Tuning in Handheld Applications

NXP Semiconductors
NXP Semiconductors

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