LV24250LS Datasheet, PDF (2/18 Pages) Sanyo Semicon Device – Compact Portable Equipment 1-Chip FM Tuner IC

LV24250LS
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Recommended supply voltage
VCC
Analog block supply voltage
VDD
Digital block supply voltage
Operating supply voltage range
VCC op
VDD op
VIO op
Interface voltage
Note : Supply voltage VIO equal VDD, or VIO ≤ VDD & VIO ≥ 2.2 V
* Stabilize the service voltage so as not to cause the voltage change by the noise etc.
Ratings
Unit
3.0
V
3.0
V
2.6 to 3.6
V
2.5 to 3.6
V
2.2 to 3.6
V
Operating Characteristics at Ta = 25°C, VCC = 3.0V, VDD = 3.0V, Volume =15/16, Soft Mute = 1/Soft Stereo = off
with the designated test circuit
Output level set with Radio Control 1 of control register map (0Dh Bit0, Bit1,Bit5 set to ‘1’, ‘1’)
Control 2 of control register map (0Dh Bit1 set to ‘1’)
In addition, Set IF_OSC = 170kHz, IF_BW = 100% (Radio Control 1 : 0D Bit6, Bit7 set to ‘1’, ’1’)
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
(in operation)
ICCA
ICCD
Analog block at 60dBμV EMF input
Digital block at 60 dBμV EMF input
12
17
0.3
0.8
Current drain
(in standby)
ICCA
ICCD
Analog standby mode
Digital standby mode
3
30
3
30
FM receive band
F_range Refer to PCB mounting conditions to cover
76
108
the FM receive band of 76M to 108MHz
FM receive characteristics; MONO : fc = 80MHz, fm = 1kHz, 22.5kHzdev. Note that Soft_mute = 1, Soft_stereo function OFF, IHF-BPF used
mA
mA
μA
μA
MHz
3dB sensitivity
Practical sensitivity 1
Practical sensitivity 2 (Reference)
Demodulation output
-3dB LS
QS1
QS2
Vo
60dBμV, 22.5kHzdev output standard,
-3dB input.
Input at S/N = 30dB
De-emphasis = 75μs, SG open display
Input at S/N = 26dB
De-emphasis = 75μs, SG terminal display
60dBμV EMF, pin 19 output
5
8
1.10
80
110
17 dBμV
EMF
16 dBμV
EMF
μV
160 mVrms
Channel balance
CB
60dBμV EMF, pin 18 output/pin 19 output
-2
0
2
dB
Signal-to-noise ratio
S/N
60dBμV EMF, pin 19 output
48
58
dB
Total harmonic distortion 1
(MONO)
Total harmonic distortion 2
(MONO)
Field intensity display level
Mute attenuation
THD1
60dBμV EMF, pin 19 output, 22.5kHz dev.
THD2
60dBμV EMF, pin 19 output, 75.0kHz dev.
FS
Mute-Att.
Reg1Dh_bit0 = OFF
Input level at which Reg02h_bit1-3 change
from 1 to 2.
60dBμV EMF, pin 19 output
0.4
1.5
%
1.3
3
%
3
10
20 dBμV
EMF
60
70
dB
FM receive characteristics ; STEREO characteristics : fc = 80MHz, fm = 1kHz, VIN = 60dBμV EMF, Pilot = 10% (7.5kHzdev), MPX-Filter used
Separation
SEP
L-mod, pin 19 / pin 18 output
20
35
dB
L+R signals = 30% (22.5kHz dev.)
Total harmonic distortion (Main)
THD-ST1 Main-mod (for L + R input), 19 output
0.6
1.8
%
IHF_BPF L+R signals = 30% (22.5kHzdev.)
Interface block allowable operation range at Ta = -20 to +70°C, VSS = 0V
Parameter
Supply voltage
Digital block input
Digital block output
External clock operating frequency
Symbol
VDD
VIH
VIL
IOL
VOL
fclk_ext
Conditions
High-level input voltage range
Low-level input voltage range
Output current at Low level
Output voltage at Low level IOL = 2mA
Clock frequency for external input
Ratings
Unit
min
typ
max
2.5
3.6
V
0.7VDD
0
2.0
VDD
V
0.1VDD
V
mA
0.6
V
32k 32.768k
20M
Hz
Note : External clock input (pin 12) allows also input of the sine wave signal.
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