Monolithic Linear LA1827M Portable Radio/Cassette Recorders

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Monolithic Linear LA1827M Portable Radio/Cassette Recorders

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Ordering number EN5658B
Monolithic Linear
LA1827M
Portable Radio/Cassette Recorders
Single-Chip Tuner
LA1827M single-chip tuner with built-in MPX-VCO which requires adjustment external parts.
Features
Single-chip tuner with FM-FE/FM-IF, circuitry Built-in adjustment-free MPX-VCO (noceramic oscillator required) FM-DET, adjustment-free (using ceramic deicriminator) Reduced FM-FE oscillation level stereo indication AM/FM tuning indication pins provided
Functions
FM-FE FM-IF amplifier, mixer, oscillator, amplifier, detector, AGC, tuning display output amplifier, mixer, oscillator amplifier, quadrature detector, signal strength meter, tuning display output stereo decoder, stereo display output, forced mono, internal
Specifications
Maximum Ratings 25°C
Parameter Maximum supply voltage Indicator drive current Allowable power dissipation Operating temperature Storage temperature Symbol ILED Topr Tstg 70°C Conditions Ratings +125 Unit
SANYO Semiconductor Co.,Ltd. products described contained herein are, with regard "standard application", intended general electronics equipment (home appliances, equipment, communication device, office equipment, industrial equipment etc.). products mentioned herein shall intended "special application" (medical equipment whose purpose sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level reliability directly threaten human lives case failure malfunction product cause harm human bodies, shall they grant guarantee thereof. should intend products applications outside standard applications customer considering such and/or outside scope intended standard applications, please consult with prior intended use. there consultation inquiry before intended use, customer shall solely responsible use. Specifications SANYO Semiconductor Co.,Ltd. products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer' products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer' products equipment.
62409 PC/71598RM(KI) No.5658-1/12
LA1827M
Operating Conditions 25°C
Parameter Recommended supply voltage Operating supply voltage range Symbol Conditions Ratings Unit
Electrical Characteristics 25°C, 3.0V, specified test circuit, using Yamaichi Electronics socket IC-51-0242-543
Parameter Symbol Conditions FM-FE characteristics 98MHz, 1kHz, mod. Local oscillator voltage sensitivity Effective sensitivity VOSC input, fOSC 108.7MHz, output *Measured with buffer (-10dB gain) 60dB, mod. output, -3dB input Input 30dB mVrms Ratings Unit
FM-IF monaural characteristics 10.7MHz, 1kHz, 100% mod. Quiescent current Demdulator output Signal-to-noise ratio Total harmonic distortion (mono) sensitivity TU-LED sensitivity ICCO (FM) SD-ON input 100dB, output 100dB, output 100dB, output 100dB, 100% mod. output, -3dB input modulation mVrms
FM-IF stereo characteristics 10.7MHz, 1kHz, 90%, pilot Separation ST-LED sensitivity Total harmonic distortion (main) ST-ON 100dB, L-mod, 16/pin output 100dB, pilot modulation voltage 0.5V 100dB, main modulation, output
characteristics 1000kHz, 1kHz, mod. Quiescent current Demdulator output ICCO (AM) Signal-to-noise ratio S/N1 S/N2 Total harmonic distortion TU-LED sensitivity SD-ON input 23dB, output 80dB, output 23dB, output 80dB, output 80dB, output modulation mVrms mVrms
Package Dimensions
unit (typ) 3112B
12.5
(0.75) 0.35
0.15
SANYO MFP24S(300mil)
(1.5)
1.7max
0.63
No.5658-2/12
R-OUT L-OUT MONO
Block Diagram
10.7MHz
B.P.F.
VCC2 DECODER
GND2
PHASE COMP
TRIG
ST-SW
LA1827M
PILOT
S-METER
FM-IF AM-IF
VCC1 GND1
AM/FM
10.7MHz
450kHz
V-AGC V-SM
No.5658-3/12
+5.0V L.P.F R-OUT 100k L.P.F L-OUT FM-Vosc (108.7MHz) 2SK315
Test Circuit
1000pF 1000pF 0.22F 3.3k 15pF 1800pF
0.47F
3.3F
ant-input (98MHz) 18pF FM-OSC SA-151 30pF 4.7F 6800pF 6800pF
SA-309
B.P.F.
1000pF
FM-RF SA-149
FM-DET CDA10.7MG83
LA1827M
LA1827M
ant-input 0.047F (1000kHz) 10pF 24pF 10.7MHz 100F 0.047F
V-REG
AM/FM AM-IFT SA-1136 SFU450B
V-SM
39mH
AM-OSC SA-1135 0.047F
IF-input (10.7MHz)
3.0V 0.047F
No.5658-4/12
LA1827M
Description Quiescent Voltage 3.0V
function input Quiescent voltage antenna coil connected between pins (reg). Description Equivalent circuit
AM-OSC
Oscillator coil connected between pins (VCC1).
VCC1 mixer output
AM/FM-IN/MPX block ROUT
ROUT
GND1 mixer output
AM/FM-IN/MPX section ground Mixer coil connected between pins (VCC1).
Tu-LED output
Active Open-collector output directly drive 20mA)
Continued next page.
No.5658-5/12
LA1827M
Continued from preceding page. function ST-LED output AM-IF output Quiescent voltage Active Open-collector output directly drive 20mA) operation, AM-IF signal (450kHz) output here. Description Equivalent circuit
FM-IF input
AM-IF input
AM-AGC output meter output Internal load resistance 16.6k
detector
Recommended ceramic discriminator CDF107F-AE-019 (Toko) CDA10.7MG83 (Murata)
Pilot tone detector filter forced mono switching
Mono mode forced connecting ground.
Phase comparator filter AM/FM switching
reception mode enabled when open. reception mode enabled when connected ground.
output output
ROUT 7.5k
ROUT
Continued next page.
No.5658-6/12
LA1827M
Continued from preceding page. function input Quiescent voltage Description Equivalent circuit
detector output detector output
Output impedance ROUT ROUT Capacitance between ground should optimzed best separation characteristics.
ROUT (FM)
ROUT (AM)
FM-OSC
Colpitts oscillator circuit oscillator coil connected
VCC2
FM-FE block Power supplied from (VCC1) external resistor (10).
FM-RF output coil connected between pins (VCC2). FM-RF input 1.8k
GND2
FM-FE brock ground
No.5658-7/12
LA1827M
Coil specifications (bottom view)
SA-309 (Sumida) 108MHz SA-149 (Sumida) 3.6mm dia., core, 0.6mm wire, SA-151 (Sumida) 3.6mm dia., core, 0.6mm wire, filter, discriminator SK107M1-AE-10, CDF107F-AE-019, (Toko) SFE10.7MA5, CDA10.7MG83, (Murata) SA-181 (Sumida) (Toko)
0.06UEW
0.06 2UEW
796kHz
796kHz
140H
140H
SA-1136 (Sumida)
(Toko)
0.06UEW
122T
With 180pF
100T
450kHz
450kHz
With 180pF internal capacitor
SFU450L08
internal capacitor With AM-IF filter
filter SFU450B (Murata) FT-2217 (Toko) PVC-22KTL (Mitsumi) 796kHz antenna TYA-1005 (Mitsumi)
CDA10.7MG1-B (Murata)
260H
SA-1135 (Sumida)
0.06UEW
796kHz
270H
No.5658-8/12
antenna
1000pF 1000pF 0.22F 3.3k 15pF 1800pF 4.7F FM-OSC SA-151 30pF 18pF 6800pF 6800pF 0.47F
3.3F
SA-309
Sample Application Circuit
B.P.F.
1000pF
FM-RF SA-149
FM-DET CDA10.7MG83
LA1827M
LA1827M
390pF
antenna TYA-1005
V-REG 450KHz AM-IFT SA-1136 AM/FM
27pF 10.7MHz 100F 0.047F
V-SM
18pF
AM-OSC SA-181 0.047F
3.0V
No.5658-9/12
LA1827M
characteristics
Total harmonic distortion, meter voltage,
3.0V 98MHz 1kHz, 22.5kHzdev 30%mod
characteristics
3.0V 98MHz 1kHz, 22.5kHzdev
Signal
Output
-100
input
characteristics
98kHz 60dB 1kHz, 22.5kHzdev
Demodulation output,
Total harmonic distortion,
reception characteristics
Total harmonic distortion,
Power supply voltage,
3.0V 60dB 1kHz, 22.5kHzdev
characteristics
3.0V 60dB 98MHz PILOT
Power supply voltage,
Sensitivity
0.01
MONO
MAIN
Reception frequency,
Modulation frequency,
characteristics
3.0V 60dB 98MHz PILOT
Sep-L
characteristics
3.0V 1MHz 1kHz, 30%mod
Signal
Separation,
Output
Sep-R
Noise
0.01
-100
Modulation frequency,
input dB/m
No.5658-10/12
Quiescent current, ICCO
Noise
input
characteristics
98kHz 60dB 1kHz, 22.5kHzdev
Sensitivity
LA1827M
characteristics
Detector output, beat output
Total harmonic distortion, voltage, VAGC
3.0V 1MHz 1kHz
beat output characteristics
3.0V 900kHz 1kHz, 30%mod
Signal
VAGC
-100
input dB/m
input dB/m
characteristics
1MHz 74dB/m 1kHz, 30%mod
characteristics
1MHz 74dB/m 1kHz
Total harmonic distortion,
Maximum sensitivity (input 20mV output)
Reception characteristics
3.0V 1MHz 74dB/m 1kHz, 30%mod
Power supply voltage,
Power supply voltage,
Sensitivity dB/m
Maximum sensitivity (input 20mV output)
1000
1200
1400
1600
1800
Reception frequency,
No.5658-11/12
Quiescent current, ICCO
Detector output,
Sensitivity dB/m
LA1827M
SANYO Semiconductor Co.,Ltd. assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO Semiconductor Co.,Ltd. products described contained herein. SANYO Semiconductor Co.,Ltd. strives supply high-quality high-reliability products, however, semiconductor products fail malfunction with some probability. possible that these probabilistic failures malfunction could give rise accidents events that could endanger human lives, trouble that could give rise smoke fire, accidents that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO Semiconductor Co.,Ltd. products described contained herein controlled under applicable local export control laws regulations, such products require export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written consent SANYO Semiconductor Co.,Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO Semiconductor Co.,Ltd. product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. Upon using technical information products described herein, neither warranty license shall granted with regard intellectual property rights other rights SANYO Semiconductor Co.,Ltd. third party. SANYO Semiconductor Co.,Ltd. shall liable claim suits with regard third party's intellctual property rights which resulted from technical information products mentioned above.
This catalog provides information June, 2009. Specifications information herein subject change without notice. No.5658-12/12

Monolithic Linear LA1827M Portable Radio/Cassette Recorders

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