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PDF TEA5767HN Data sheet ( Hoja de datos )
| Número de pieza | TEA5767HN | |
| Descripción | Low-power FM stereo radio | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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TEA5767HN
Low-power FM stereo radio for handheld applications
Rev. 05 — 26 January 2007
Product data sheet
1. General description
The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage
applications with fully integrated Intermediate Frequency (IF) selectivity and
demodulation. The radio is completely adjustment-free and only requires a minimum of
small and low cost external components. The radio can be tuned to the European, US,
and Japanese FM bands.
2. Features
I High sensitivity due to integrated low-noise RF input amplifier
I FM mixer for conversion to IF of the US/Europe (87.5 MHz to 108 MHz) and Japanese
(76 MHz to 91 MHz) FM band
I Preset tuning to receive Japanese TV audio up to 108 MHz
I RF Automatic Gain Control (AGC) circuit
I LC tuner oscillator operating with low cost fixed chip inductors
I FM IF selectivity performed internally
I No external discriminator needed due to fully integrated FM demodulator
I Crystal reference frequency oscillator; the oscillator operates with a 32.768 kHz clock
crystal or with a 13 MHz crystal and with an externally applied 6.5 MHz reference
frequency
I Phase-locked loop (PLL) synthesizer tuning system
I I2C-bus and 3-wire bus, selectable via pin BUSMODE
I 7-bit IF counter output via the bus
I 4-bit level information output via the bus
I Soft mute
I Signal dependent mono to stereo blend [Stereo Noise Cancelling (SNC)]
I Signal dependent High Cut Control (HCC)
I Soft mute, SNC and HCC can be switched off via the bus
I Adjustment-free stereo decoder
I Autonomous search tuning function
I Standby mode
I Two software programmable ports
I Bus enable line to switch the bus input and output lines into 3-state mode
1 page  
NXP Semiconductors
6. Pinning information
6.1 Pinning
TEA5767HN
Low-power FM stereo radio for handheld applications
terminal 1
index area
n.c. 1
CPOUT 2
VCOTANK1 3
VCOTANK2 4
VCC(VCO) 5
DGND 6
VCCD 7
DATA 8
CLOCK 9
n.c. 10
TEA5767HN
30 n..c.
29 LIMDEC2
28 LIMDEC1
27 TIFC
26 Vref
25 MPXO
24 TMUTE
23 VAFR
22 VAFL
21 n.c.
001aab363
Fig 2. Pin configuration
Transparent top view
6.2 Pin description
Table 3. Pin description
Symbol
Pin
n.c. 1
CPOUT
2
VCOTANK1
3
VCOTANK2
4
VCC(VCO)
DGND
5
6
VCCD
DATA
7
8
CLOCK
9
n.c. 10
WRITE/READ 11
BUSMODE
12
BUSENABLE 13
SWPORT1
14
SWPORT2
15
XTAL1
16
Description
not connected
charge pump output of synthesizer PLL
VCO tuned circuit output 1
VCO tuned circuit output 2
VCO supply voltage
digital ground
digital supply voltage
bus data line input/output
bus clock line input
not connected
write/read control input for the 3-wire bus
bus mode select input
bus enable input
software programmable port 1
software programmable port 2
crystal oscillator input 1
TEA5767HN_5
Product data sheet
Rev. 05 — 26 January 2007
© NXP B.V. 2007. All rights reserved.
5 of 40
5 Page 
NXP Semiconductors
TEA5767HN
Low-power FM stereo radio for handheld applications
8.1.2 Power-on reset
At Power-on reset the mute is set, all other bits are set to LOW. To initialize the IC all bytes
have to be transferred.
8.2 I2C-bus protocol
S(1) ADDRESS (WRITE)
(1) S = START condition.
(2) A = acknowledge.
(3) P = STOP condition.
Fig 4. Write mode
A(2)
DATA BYTE(S)
A(2) P(3)
001aae347
S(1) ADDRESS (READ) A(2)
(1) S = START condition.
(2) A = acknowledge.
Fig 5. Read mode
Table 4. IC address byte
IC address
110
0
[1] Read or write mode:
a) 0 = write operation to the TEA5767HN.
b) 1 = read operation from the TEA5767HN.
0
DATA BYTE 1
001aae348
Mode
0 0 R/W[1]
TEA5767HN_5
Product data sheet
Rev. 05 — 26 January 2007
© NXP B.V. 2007. All rights reserved.
11 of 40
11 Page | ||
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| PDF Descargar | [ Datasheet TEA5767HN.PDF ] | |
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