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LA1845NV

Description
Single-Chip Home Stereo IC
CategoryAnalog mixed-signal IC    Consumption circuit   
File Size838KB,10 Pages
ManufacturerSANYO
Websitehttp://www.semic.sanyo.co.jp/english/index-e.html
Download Datasheet Parametric View All

LA1845NV Overview

Single-Chip Home Stereo IC

LA1845NV Parametric

Parameter NameAttribute value
MakerSANYO
Parts packaging codeSSOP
package instructionLSSOP,
Contacts24
Reach Compliance Codeunknow
Commercial integrated circuit typesAUDIO SINGLE CHIP RECEIVER
Demodulation typeAM/FM
harmonic distortion0.5%
JESD-30 codeR-PDSO-G24
length7.8 mm
Number of functions1
Number of terminals24
Maximum operating temperature80 °C
Minimum operating temperature-20 °C
Output voltage nominal (AM)160 mV
Nominal output voltage (FM)360 mV
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Certification statusNot Qualified
Maximum seat height1.5 mm
Signal-to-noise ratio Nom (FM)80 dB
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
surface mountYES
Temperature levelCOMMERCIAL EXTENDED
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
width5.6 mm
Ordering number : ENN*7931
LA1845NV
Monolithic Linear IC
Single-Chip Home Stereo IC
The LA1845NV is designed for use in mini systems and is a single-chip tuner IC that provides electronic tuning
functions using SD/IF-count technique. It incorporates a pilot canceler and an adjustment-free MUX VCO circuit,
thus allows additional parts to be reduced.
Functions
AM
: RF amplifier, mixer, oscillator, IF amplifier, detector, AGC, SD, oscillator buffer, IF buffer, stereo IF output,
AGC time constant switch
FM IF : IF amplifier, quadrature detector, S-meter, SD (signal detection), S-curve detection, IF buffer output
MPX : PLL stereo decoder, stereo display, forced monaural, VCO stop, audio muting, adjacent channel interference
rejection function, pilot canceler
Features
Integrated MPX VCO (ceramic resonators are no longer required.)
Built-in adjacent channel interference rejection function (114kHz, 190kHz)
Supports both SD and IF-count techniques
Both FM SD sensitivity and bandwidth can be set
Pilot canceler built in.
Maximum Ratings
at Ta = 25°C
Parameter
Maximum Power Supply Voltage
Allowable Power Consumption
Symbol
VCC max
Pd max
Ta = 80°C with board
114.3mm×76.1mm×1.6mm material :
Glass epoxy resin
Operating Temperature
Storage Temperature
Topr
Tstg
-20 to +80
-40 to +125
°C
°C
360
mW
Conditions
Ratings
6
Unit
V
Operating Conditions
at Ta = 25°C
Parameter
Recommended Supply Voltage
Operating Supply Voltage Range
Symbol
VCC
VCC op
Ta = 80°C
Conditions
Ratings
5
4.3 to 5.5
Unit
V
V
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