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PDF LA17000M Data sheet ( Hoja de datos )
| Número de pieza | LA17000M | |
| Descripción | Tuner System IC with Built-in PLL for Car Audio Applications | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number: ENN6522
Monolithic Linear IC
LA17000M
Tuner System IC with Built-in PLL
for Car Audio Applications
Overview
The LA17000M is an all-in-one car tuner IC that incorpo-
rates a PLL frequency synthesizer and all functions of an
AM/FM tuner in a single chip. By combining two chips, a
PLL (LC72144 equivalent) and an FM tuner IC (LA1781M
equivalent) into a single chip (*PLL + AM (up conversion)
+ FMFE + IF + NC + MCP + MRC), and as a result of
optimal chip partitioning, the LA17000M improves the
performance of car tuner systems, eliminates adjustments,
and provides high reliability, all at a lower cost.
Package Dimensions
unit: mm
3255-QFP80
[LA17000M]
17.2
14.0
60
41
61 40
Features
• PLL on chip
• ADC (6 bits, 1 channel)
• IF counter and I/O port on chip permit simplification
of the interface.
• Supports AM double conversion.
• Enhanced noise countermeasures
• Excellent tri-signal characteristics
• Improved medium and weak electric field NC
characteristics
• Improved separation characteristics
• Anti-birdie filter on chip (analog/digital output)
• Multipath sensor output (analog/digital output)
• Cost-saving features
• AM double conversion (Up conversion method)
• Enhanced FM-IF circuit
(When there is interference from adjacent frequencies,
the software handles switching of the CF between
wide and narrow automatically.)
• Because deviations in IF gain are only 1/3 that of
earlier devices, adjustment is simplified when this IC
is incorporated into a set; this IC also includes a shifter
pin for VSM adjustment.
• Suited for smaller devices
• Permits high-frequency signal line processing in a
tuner pack.
• Easily conformes to FCC standards
80
1 0.65
(0.83)
21
0.25 20
0.15
SANYO: QFP80 (14 x 14)
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
62901RM (II) No. 6522-1/54
1 page  
LA17000M
PLL Characteristics
Electrical Characteristics at Ta = 25°C, VDD = 5 V, VSS = 0 V
Parameter
Built-in feedback resistors
Hysterisis width
High-level output voltage
Low-level output voltage
High-level input current
Low-level input current
Output off leakage current
High-level 3-state off leakage
current
Low-level 3-state off leakage
current
Input capacitance
A/D converter linearity error
Pull-down transistor on
resistance
Supply current
Symbol
Rf1
Rf2
Rf3
VHIS
VOH1
VOH2
VOL1
VOL2
VOL3
VOL4
IIH1
IIH2
IIH3
IIH4
IIL1
IIL2
IIL3
IIL4
IOFF1
IOFF2
IOFFH
IOFFL
CIN
Err
Rpd1
IDD1
IDD2
IDD3
Conditions
XIN
PLLIN
HCTR
CE, CL, DI
PD1, PDS, SEEKSW; IO = –1 mA
XBUF; IO = –0.5 mA
PD1, PDS, SEEKSW; IO = –1 mA
XBUFF; IO = –0.5 mA
I/O-1 to I/O-2; IO = 1.0 mA
I/O-1 to I/O-2; IO = 2.5 mA
I/O-1 to I/O-2; IO = 5.0 mA
I/O-1 to I/O-2; IO = 9.0 mA
DO; IO = 5.0 mA
CE, CL, DI; VIN = 6.5 V
I/O-1 to I/O-2; VIN = 13 V
XIN; VIN = VDD
PLLIN; VIN = VDD
CE, CL, DI; VIN = 0 V
I/O-1 to I/O-2; VIN = 0 V
XIN; VIN = 0 V
PLLIN; VIN = 0 V
I/O-1 to I/O-2; VO = 13 V
DO; VO = 6.5 V
PD1, PDS; VIN = VDD
PD1, PDS; VIN = 0 V
MRC SENSOR AUTO ADJ (MOS)
PLLIN
VDD; X’tal = 10.25 MHz,
fIN2 = 160 MHz,
VIN2 = 70 mVrms,
fIN3 = 25 MHz,
VIN3 = 40 mVrms
VDD; PLL block halt (PLL INHIBIT),
X’tal OSC operation (10.25 MHz)
VDD ; PLL block halt, X’tal OSC halt
Ratings
min typ
1
500
250
0.1VDD
VDD–1.0
VDD–1.5
2
4
2
4
0.01
max
1
1.5
0.2
0.5
1
1.8
1
5
5
11
22
5
5
11
22
5
5
200
Unit
MΩ
kΩ
kΩ
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
nA
0.01 200 nA
6 pF
–0.5 +0.5 LSB
80 200
600 kΩ
10 15 mA
5 10 mA
3 mA
No. 6522-5/54
5 Page 
LA17000M
Correspondence of Pins Between the LA17000M, the LA1781M, and the LC72144M
LA1781
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
26
Pin Function
FN ANTD
FM RF AGC
FE GND
FM OSC
AM/FM OSC buff.
FE VCC
AM VCC
Noise AGC-Sense
Noise AGC-ADJ
AM 2nd OSC
Gate Out
Memory circuit pin
Pilot In
NC, MPX GND
MPX L-Out
MPX R-Out
Seek → AM/FM SD
Stop → FM ST IND
19 MRC sensor output
17 Pilot Can. ADJ
18 Pilot Can. ADJ
20 MPX VCO
23 IF count buffer and
seek/stop switch
25 GND
21 PHASE COMP.
22 PHASE COMP.
24 AM/FM S-meter
27 MRC OUT
LA17000M
Pin No.
Pin Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 Both I/O-3 and SD/ST-IND
LC72144M
Pin No.
23
18 FMIN
19 VDD
20 PD1
21 VSS
22 PDS
23 XBUF
24 I/O-2
25 XIN
26 XOUT
27 CE
28 DI
29 CL
30 DO
31 I/O-1
32 HCTR/I-6
33 I/O-0
34 Both ADC0 and MRC
sensor output
35
36
37
38
16
17
18
19
20
22
8
24
1
2
3
4
5
9
11
12
7
39
40
41
42
43
Continued on next page.
No. 6522-11/54
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LA17000M.PDF ] | |
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