Document
LC1707PLF
Application Note
CMOS LSI
FM multiple tuner IC
Overview:
http://onsemi.com
LC01707PLF is a vehicle-mounted FM multiple tuner IC with FM-FE, IF, IF-Filter, PLL, FM-DEMO and LPF
incorporated. An FM multiple tuner can be developed with this one chip. It makes up a small-sized FM
multiple tuners which can be mounted on PND.
Functions:
It is the FM tuner IC exclusively for the FM multiple. LNA is incorporated
Image reduction complex BPF is incorporated
Wide / Narrow Band RF AGC is incorporated
Narrow Band IF AGC is incorporated
Image rejection is adopted
DLL detection method is adopted for the FM detection circuit, and it is not necessary to adjust.
LPF for the carrier removal is incorporated.
IC requires fewer external components.
It is a BUS control tuner IC which can be controlled by controlled by I2C BUS.
Typical Applications:
DARC tuner for AVN, PND and Car Audio System
RDS tuner for AVN, PND and Car Audio System
SCA tuner for AVN, PND and Car Audio System
Specifications:
Maximum Ratings at Ta = 25C
Parameter Supply voltage Maximum input voltage Maximum output voltage Power dissipation Operating ambient Storage temperature
Symbol
VDD max VDD H VDD L Pd max
Topr
Tstg
Conditions Ta = 85C *1
Maximum
junction Tj max
*1t:emBopaerrdatsuirzee: 80mm 70mm 1.6mm Glass epoxy double-sided board
Ratings 4.3 4.3 4.3 700
-40 to 85 -55 to 150
150
Unit V V V
mW C C C
The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing products, if you wish to use any such products, please be sure to refer the datasheet, which can be obtained upon request.
LC01707PLF APPLICATION NOTE
Recommended Operating Conditions at Ta = 25C
Parameter Supply voltage range
Recommended supply temperature
Symbol VDD VDD
Conditions
Ratings 3.0 to 3.6 3.3
Unit V V
Electrical Characteristics at Ta 25C, VDD = 3.3V, fc = 83MHz, VIN=60dBVEMF, fm=1kHz, Audio filter: HPF=100Hz, LPF=15kHz
Resister setting: IF AGC (02h) =6(110), RF AGC (00h) =0(0000)
DLL demodulator loop gain setting (09h) =1(01), Mono multi center setting (09h) =7(0111)
Parameter
Symbol
Conditions
Ratings min typ max
Unit
Practical sensitivity 1 (S/N30dB) Practical sensitivity 2 (S/N10dB)
SN30 SN10
22.5kHz dev, fm=1kHz, S/N=30dB input level 7.5kHz dev, fm=76kHz, S/N=10dB input level *1
12 20 dBEM F
27 dBEM F
S/N1
SN1 22.5kHz dev, fm=1kHz
34 44
dB
S/N2
SN2 7.5kHz dev, fm=76kHz *1
21 dB
Total harmonic distortion THD_1 rate 1
22.5kHz dev, fm=1kHz
0.5 %
Total harmonic distortion THD_2 rate 2
75.0kHz dev, fm=1kHz
0.5 %
AM suppression ratio
AMR
AM 30% mod
34 44
dB
Image rejection ratio
IMR
22.5kHz dev, fm=1kHz
32 dB
Audio output level 1
AD01
7.5kHz dev, fm=1kHz *1
26 39 70 mVrms
Audio output level 2
AD02
7.5kHz dev, fm=76kHz *1
15 23 41 mVrms
Consumption current
IDD
No signal input
106 170 mA
*1: Audio filter: HPF=100Hz, LPF=OFF
Package Dimensions:
unit : mm (typ) 3408
TOP VIEW 6.0
SIDE VIEW
BOTTOM VIEW
(4.0)
6.0 0.5
(4.0)
44
12 SIDE VIEW
21 0.16 0.4 (1.0)
(0.8) 0.85 MAX
0.0 NOM
SANYO : VQFN44K(6.0X6.0)
Page 2 of 69
Pin Description:
Pin Pin name No. 1 NAGC 2 WAGC 3 VSS 4 NC 5 NC 6 VDD 7 LNA_A 8 VSS 9 LNA_N 10 NC 11 NC 12 VSS 13 CP 14 VDD 15 VDD 16 LO_1 17 VSS 18 LO_2 19 NC 20 NC 21 NC 22 NC 23 DEVER 24 VSS 25 XTAL 26 SD 27 NC 28 NC 29 NC 30 INT 31 SCL 32 SDA 33 VDD 34 SMETER 35 VDD 36 LPFO 37 DEMOO 38 LPFI 39 DEMOC 40 NC 41 NC 42 NC 43 NC 44 GND
LC01707PLF APPLICATION NOTE
I/O Function
O Narrow band AGC detection capacitance connecting pin O Wide band AGC detection capacitance connecting pin P GND pin for IF P Supply pin for LNA I LNA +input pin P GND pin for LNA I LNA -input pin P GND pin for 1st Mixer O PLL charge pump capacitance connecting pin P Supply pin 1st Mixer P Supply pin for local oscillation O Inductor connecting pin for local oscillation P GND pin for local oscillation O Inductor connecting pin for local oscillation I Device address setting pin P GND pin for PLL and logic I Crystal resonator connecting pin (Clock input pin) O Station detector pin O Test pin I Serial data clock input I serial data input-output P Supply pin for PLL and logic O S-meter output P Supply pin for IF O Demodulation output (after band limitation) O Demodulation output I Demodulation signal input pin O Capacitance connecting pin for demodulation detection P GND pin
Page 3 of 69
LC01707PLF APPLICATION NOTE
Pin Function:
Pin Pin No. name
Function
1 NAGC Narrow band AGC detection capacitor
connection pin.
Equivalent circuit
2 WAGC Wide band AGC detection capacitor connection pin.
3 VSS 4 NC
GND pin for IF. No connection.
5 NC
No connection.
6 VDD Supply pin for LNA. 7 LNA_P Pin 7 is + input pin for LNA.
8 VSS Pin 8 is GND pin for LNA. 9 LNA_N Pin 9 is - input pin for LNA.
10 NC 11 NC 12 VSS 13 CP
No connection. No connection. GND pin 1st mixer for the 1st mixer. PLL char.