tea5777hn-n2 NXP Semiconductors, tea5777hn-n2 Datasheet - Page 5

• Manufacturer Part Number: tea5777hn-n2
• Description: Tea5777 Low-power Am/fm Stereo Radio For Handheld Applications
• Manufacturer: NXP Semiconductors

Fig 1. Block diagram
Pin numbers in parenthesis apply to TEA5777HL.
FM antenna
AM antenna
GNDVCO_AMRF
VCOTANK2
VCOTANK1
AMRFAGC
GNDRF
RFIN1
RFIN2
AMRFIN
PILDET/
43 (28)
44 (29)
45 (30)
5 (4)
46
(31)
4 (3)
3 (2)
7 (5)
RF AGC
C-BANK
AGC
VCO
LNA
bus
bus
bus
I/Q MIXER
÷ 8 or ÷ 32
I/Q MIXER
AM VCO
bus
N1
÷2
N1
IF FILTER
IF FILTER
MASTER FILTER
(TEA5777HL)
TEA5777HN
LIMITER
IF AGC
AGC2CAP
27 (18)
bus
DETECTOR
DEMODULATOR
SLOW LEVEL
IF COUNTER
ADC (4-bit)
AM
CPOUT
2 (1)
22 (15)
TMUTE
bus
bus
PROGRAMMABLE
47
(32)
DIVIDER
bus
40
(26)
MPXOUT
30
(20)
POWER SUPPLY
80 kHz
SDS
LPF
bus
36 (24)
26
(17)
supply voltage
DETECTOR
23
(16)
CHARGE
PHASE
PUMP
33 (22)
MPXIN
bus
11
(8)
DETECTOR
MATRIX
STEREO DECODER
PILOT
41
(27)
REFERENCE
29
(19)
bus
REFERENCE
bus
15
(10)
DIVIDER
MUX
selection
AM/FM
20
(14)
I
2
3-WIRE BUS
OSCILLATOR
C-BUS AND
CRYSTAL
control
bus
bus
19
(13)
MUTE
bus
bus
bus
bus
18
(12)
(11)
(25)
(23)
(21)
(9)
(6)
(7)
16
14
38
34
31
10
9
001aab435
VAFR
VAFL
SWPORT1
SWPORT2/EXTIN
XTAL1
XTAL2
BUSMODE
4 MHz