파트넘버.co.kr LA1145M 데이터시트 PDF


LA1145M 반도체 회로 부품 판매점

FM IF System (Quadrature Detector) for Car Radio



Sanyo Semicon Device 로고
Sanyo Semicon Device
LA1145M 데이터시트, 핀배열, 회로
Ordering number: EN 2725A
Monolithic Linear IC
LA1145, 1145M
FM IF System (Quadrature Detector) for Car Radio
Features
1. On-chip IF count buffer circuit and microprocessor-
controlled switch circuit for ETR.
2. Compared to the LA1140, the LA1145, 1145M offer:
1 Improved signal meter output linearity;
2 Improved band mute temperature stability;
3 Improved S/N ratio;
4 Improved sound quality at weak signal input when
noise is present, and;
5 Improved AMR characteristics during weak signal
input.
3. Reduced parts’ count simplifies design:
1 On-chip IF count buffer circuit;
2 On-chip SD circuit — sensitivity can be set
independently of soft mute characteristics, and;
3 Variable S-meter gradient — three pin S-meter output
(pins 5, 16 and 17) facilitates independent control of
SNC and HCC.
Package Dimensions
unit : mm
3115-SIP18Z
[LA1145]
unit : mm
3036B-MFP20
SANYO : SIP18Z
[LA1145M]
SANYO: MFP20
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
93097HS(II)/3132TS/2118TA No.2725-1/17


LA1145M 데이터시트, 핀배열, 회로
LA1145, 1145M
Specifications
[LA1145]
Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Maximum supply current
Allowable power dissipation
Symbol
VCC max
ICC max
Pd max
Operating temperature
Storage temperature
Topr
Tstg
Operating Conditions at Ta = 25 °C
Pin 12
Pin 12
Ta = 65 °C
Ta = 70°C
Conditions
Parameter
Recommended supply voltage
Operating voltage range
Symbol
VCC
VCC op
Conditions
Operating Characteristics at Ta = 25°C,VCC = 8 V, fin = 10.7 MHz
Parameter
Quiescent current
Current drain
Demodulation output
Total harmonic distortion
Signal-to-noise ratio
Input limiting voltage
Muting sensitivity
Muting bandwidth
Muting attenuation
Signal strength indication output
Muting drive output
AM rejection ratio
Offset voltage
SD sensitivity
IF count output level
Symbol
ICCO
ICC
VO
THD
S/N
VIN (lim)
VIN (mute)
BW(mute)
mute(1)
mute(2)
V16-0
V16-50
V16-70
V16-100
V15-0
V15-100
AMR
V7-11
V8-11
VSD
VIN (IF)
Conditions
VIN = 0 dBµ
VIN = 100 dBµ
VIN = 100 dBµ, 400 Hz tone, 100%
VIN = 100 dBµ, 400 Hz tone, 100%,
single tuning coil
VIN = 100 dBµ, 400 Hz tone, 100%
400 Hz tone, 100%, soft mute ON
V15 = 2 V
VIN = 100 dBµ, V18 % 0.3 V
VIN = 100 dBµ, V15 = 2 V,
400 Hz tone, 100%
VIN = 100 dBµ, V15 = 4 V,
400Hz tone, 100%
VIN = 0 dBµ, RA = 10 k, pin 16
VIN = 50 dBµ, RA = 10 k, pin 16
VIN = 70 dBµ, RA = 10 k, pin 16
VIN = 100 dBµ, RA = 10 k, pin 16
VIN = 0 dBµ, pin 15
VIN = 100 dBµ, pin 15
VIN = 100 dBµ, 1 kHz tone, 30% AM
VIN = 0 dBµ, pins 7 to 11
VIN = 0 dBµ, pin 8 to 11
Pin 18
VIN = 100 dBµ, pin 13, CL = 10 pF
[LA1145M]
Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Maximum supply current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
ICC max
Pd max
Topr
Tstg
Conditions
Pin 13
Pin 13
Ta = 70°C, mounted on PC board,
independent IC
Ta = 25°C, mounted on PC board,
Independent IC
Ratings
14
45
630
590
–20 to +70
–40 to +150
Unit
V
mA
mW
mW
°C
°C
Ratings
8
7.5 to 14
Unit
V
V
min
18
20
300
79
34
30
140
10
typ
26
29
400
0.3
85
40
36
190
15
max Unit
36 mA
36 mA
520 mVrms
0.8 %
dB
46 dBµ
42 dBµ
280 kHz
20 dB
25 29
33 dB
0 0.1
0.4 V
1.4 2.3
3.2 V
2.5 4.5
5.5 V
5.0 5.5
6.0 V
4.0 4.8
5.5 V
0 0 0.3 dB
57 70
dB
–0.25
0 +0.25 V
–0.5 0 +0.5 V
50 58
66 dBµ
110 180 280 mVrms
Ratings
14
45
630
630
–20 to +70
–40 to +125
Unit
V
mA
mW
mW
°C
°C
No. 2725-2/17




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LA1145M detector

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