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Datasheet LC72147V PDF ( 特性, スペック, ピン接続図 )

部品番号 LC72147V
部品説明 PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems
メーカ Sanyo Semicon Device
ロゴ Sanyo Semicon Device ロゴ 
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LC72147V Datasheet, LC72147V PDF,ピン配置, 機能
Ordering number : ENN6675
CMOS IC
LC72147V
PLL Frequency Synthesizer for Electronic Tuning
in Car Audio Systems
Overview
The LC72147V is a PLL frequency synthesizer for car
audio systems. It can implement high-performance
multifunction tuners and features a crystal oscillator
circuit that supports AM up-conversion, a fast locking
circuit, an A/D converter, and an LA1783/1750 IF counter
buffer control pin.
Functions
• High-speed programmable divider
— FMIN: 10 to 180 MHz: Pulse swallower type
• IF counter
— HCTR: 0.4 to 25 MHz: Frequency measurement
• Crystal oscillator: One of the following 4 frequencies
may be selected: 10.35, 10.25, 7.2, and 4.5 MHz
Reference frequency
— One of 12 frequencies may be selected (when a 7.2
or 4.5 MHz crystal is used)
100*1, 50, 30*2, 25, 12.5, 6.25, 3.125, 10, 9*2, 5, 3*2,
1 kHz
Notes: 1. Cannot be used when a 10.35 or 10.25 MHz
crystal is used
2. Cannot be used when a 10.25 MHz crystal
is used
• Phase comparator
— Supports dead band control
— Built-in unlock detection circuit
— Sub-charge pump for fast locking
— Built-in deadlock clearing circuit
• Built-in MOS transistor for forming an active low-pass
filter
• I/O ports — General-purpose I/O: 5 pins
— Output: n-channel: 3 pins, CMOS: 2 pins
— IFBC pin (LA1783/1750 IF counter buffer control
pin)
• Serial data I/O
— Supports communication with the controller in the
CCB format.
• Operating ranges
— Supply voltage (VDD): 4.5 to 6.5 V
— Built-in regulator voltage (Vreg): 3.0 V (±10%)
— Operating temperature: –40 to +85°C
• Package
— SSOP-24
Package Dimensions
unit: mm
3175A-SSOP24
[LC72147V]
24 13
1 12 0.15
8.0
0.22 0.65 0.43 SANYO: SSOP24
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O1300RM (OT) No. 6675-1/22

1 Page



LC72147V pdf, ピン配列
LC72147V
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter
Symbol
Pin
Supply voltage
Maximum input voltage
VDD max
VIN1 max
VIN2 max
VIN3 max
VO1 max
VDD
CE, CL, DI, AIN
XIN, FMIN, HCTR, I/O-4, I/O-5, ADC0, ADC1
I/O-1 to I/O-3
DO
Maximum output voltage
VO2 max XOUT, IFBC, I/O-4, I/O-5, PD, XBUF
Maximum output current
VO3 max
IO1 max
IO2 max
IO3 max
IO4 max
IO5 max
I/O-1 to I/O-3, AOUT
IFBC
I/O-4, I/O-5, XBUF
DO
I/O-1 to I/O-3
AOUT
Allowable power dissipation
Pd max
Operating temperature
Topr
Storage temperature
Tstg
Conditions
Ta 85°C
Ratings
–0.3 to +7.0
–0.3 to +7.0
–0.3 to Vreg + 0.3
–0.3 to +15
–0.3 to +7.0
–0.3 to Vreg + 0.3
–0.3 to +15
0 to 1.0
0 to 3.0
0 to 6.0
0 to 10
0 to 35
150
–40 to +85
–55 to +125
Unit
V
V
V
mA
mW
°C
°C
Note: Power supply VDD - VSS, Vreg - VSS: Capacitors of at least 2000 pF must be inserted between these pins when this device is used.
Allowable Operating Ranges at Ta = –40 to 85°C, VSS = 0 V
Parameter
Symbol
Pin
Conditions
Ratings
Unit
min typ max
Supply voltage
Regulator output voltage
High-level input voltage
Low-level input voltage
VDD1
VDD2
Vreg
VIH1
VIH2
VIL
VDD
VDD
Vreg
CE, CL, DI,
I/O-1 to I/O-3
I/O-4, I/O-5
CE, CL, DI,
I/O-1 to I/O-5
Serial data retention voltage
4.5 VDD 6.5 V
4.5 6.5
V
2.5
2.7 3.0 3.3 V
2.2 6.5
V
2.2 Vreg
0 0.8 V
Output voltage
Input frequency
Guaranteed crystal oscillator
frequency ranges
VO1
VO2
fIN1
fIN2
fIN3
X’tal1
X’tal2
DO
I/O-1 to I/O-3
XIN
FMIN
HCTR
XIN, XOUT
XIN, XOUT
Sine wave, capacitance coupled
Sine wave, capacitance coupled
Sine wave, capacitance coupled
*1
*1
0
0
1.0
10
0.4
4.0
7.1
6.5
13
8.0
180
25
7.0
10.5
V
MHz
MHz
VIN1 XIN
200 900
VIN2-1 FMIN
10 f < 130 MHz *2
40 900
Input amplitude
VIN2-2 FMIN
130 f 180 MHz *2
70 900 mVrms
VIN3-1 HCTR
0.4 f 25 MHz *3
70 900
VIN3-2 HCTR
8 f 12 MHz *4
100 900
Input voltage range
VIN4 ADC0, ADC1
0
Vreg
V
Data setup time
tSU DI, CL
*5
0.45
µs
Data hold time
tHD DI, CL
*5
0.45
µs
Clock low-level period
tCL CL
*5
0.45
µs
Clock high-level period
tCH CL
*5
0.45
µs
CE wait time
tEL CE, CL
*5
0.45
µs
CE setup time
tES CE, CL
*5
0.45
µs
CE hold time
tEH CE, CL
*5
0.45
µs
Data latch change time
tLC
*5
0.45
µs
Data output time
tDC DO, CL
tDH DO, CE
Depends on the value of the pull-up
resistor used.
0.2 µs
Notes:1. Recommended crystal oscillator CI values
CI 120 (Crystal: 4.5 MHz), CI 70 (Crystal: 7.2, 10.25, or 10.35 MHz)
Note that the crystal oscillator circuit characteristics depend on the printed circuit board and the particular components used. We recommend
consulting the manufacturer of the crystal when designing this circuit.
2. Refer to the description of the structure of the programmable divider.
3. Serial data: CTC = 0
4. Serial data: CTC = 1
5. See the timing chart for serial data transfers.
No. 6675-3/22


3Pages


LC72147V 電子部品, 半導体
Continued from preceding page.
Pin No. Symbol
Usage
LC72147V
Function
Pin circuit
• General-purpose I/O ports.
11 I/O-4
• The outputs are complementary output circuits.
13 I/O-5 General-purpose I/O ports • After the power-on reset, these ports function as input ports.
• The input/output state of these ports can be set using the I/O-4 and
I/O-5 bits in the serial data sent from the controller.
18 ADC0
19 ADC1
A/D converter input
• A/D converter input
The A/D converter is a 6-bit successive-approximation circuit.
See the item on the structure of the A/D converter for details.
7 PD
15 HCTR
3 XBUF
Charge pump output
• PLL charge pump output
When the frequency created by dividing the local oscillator signal
frequency by N is higher than the reference frequency, a high level is
output from the PD pin. When lower, a low level is output. The PD pin
goes to the high-impedance state when the frequencies match.
General-purpose counter
• HCTR is selected by setting CTS in the control data to 1.
Input frequency: 0.4 to 25 MHz
The signal is input to a divide-by-2 circuit and the result is input to a
general-purpose counter. This counter can also be used as an
integrating counter.
The counter value is output as the result of the count, MSB first, from
the DO pin.
See the item describing the structure of the general-purpose counter
for details.
Crystal oscillator buffer
• Output buffer for the crystal oscillator circuit
• When XB in the serial data is set to 1, the output buffer operates and
the crystal oscillator signal (a pulse signal) is output.
When XB is 0, XBUF outputs a low level.
(After the power-on reset, XB is set to 0 and the output buffer is fixed
at the low level.)
XOUT
No. 6675-6/22

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