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Sanyo Electric Components Datasheet

LA74302FN Datasheet

Monolithic Linear IC Audio Interface

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LA74302FN pdf
Ordering number : ENA1180
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LA74302FN Monolithic Linear IC
Audio Interface for DSC
Overview
The LA74302FN is a SPEAKER AMP and MIC AMP built-in audio interface for DSC.
Functions
Three-wire type SERIAL communications, MIC AMP
MIC power supply provided
ALC (ALC LEVEL: level changeover in three stages possible)
REC/PB LPF (fc=4kHz: 3rd order)
LINE output (with SERIAL MUTE)
SPEAKER AMP (compatible with BEEP input MIX)
With serial communications control electronic VOLUME
Specifications
Maximum Ratings at Ta=25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Ta85°C *
Conditions
* Substrate mounting condition (30mm × 50mm × 0.8mm: glass epoxy) 2S2P
Ratings
5.0
500
-15 to +85
-55 to +150
Unit
V
mW
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
52808 TI IM 20060727-S00005 No.A1180-1/12


Sanyo Electric Components Datasheet

LA74302FN Datasheet

Monolithic Linear IC Audio Interface

No Preview Available !

LA74302FN pdf
LA74302FN
Operating Conditions at Ta=25°C
Parameter
Recommended supply voltage
Allowable operating voltage range
Symbol
VCCL
VCCD
VCCSP
VCCL
VCCD
VCCSP
Conditions
Take care not to exceed Pd max.
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Ratings
3.0
3.0
3.0
2.7 to 3.6
2.7 to 3.6
2.7 to 3.6
Unit
V
V
V
V
V
V
Electrical Characteristics at Ta=25°C, VCCL, D, SP=3.0V, f=1kHz
Parameter
Symbol
Conditions
Circuit current
Quiescent circuit current 1
Quiescent circuit current 2
Quiescent circuit current 3
Quiescent circuit current 4
Quiescent circuit current 5
Quiescent circuit current 6
REC output system
REC reference output LEVEL
REC reference output distortion rate 1
ICCA1
ICCA2
ICCA3
ICCD1
ICCSP1
ICCSP2
VOR
HDR1
ALC characteristics 1
ALM1
ALC distortion rate 1
ALMD1
ALC characteristics 2
ALM2
ALC distortion rate 2
ALMD2
REC output noise voltage
REC output frequency characteristics 1
VNOR
FEQR1
REC output frequency characteristics 2 FEQR2
REC output frequency characteristics 3 FEQR3
LINE output system
LINE reference output LEVEL
LINE reference output distortion rate
VOL
HDL
LINE reference output noise voltage
LINE max output LEVEL
VNOL
VOML
LINE output frequency characteristics 1
LINE output frequency characteristics 2
FEQP1
FEQP2
LINE output frequency characteristics 3 FEQP3
VCCA=3.0V: FULL operation
VCCA=3.0V: REC BLOCK (MIC/ALC/REC AMP)
POWER SAVE
VCCA=3.0V: LINE AMP POWER SAVE
VCCD=3.0V
VCCSP=3.0V: SPK POWER ON
VCCSP=3.0V: SPK POWER SAVE
ALC IN, VIN=-44dBV
ALC IN, VIN=-44dBV,
THD: from 2nd to 5th harmonic
ALC IN, VIN=-28dBV (reference+16dB),
ALC LEVEL: reference +10dB
ALC IN, VIN=-28dBV (reference +16dB),
ALC LEVEL: reference +10dB
ALC IN, VIN=-12dBV (reference +32dB),
ALC LEVEL: reference +10dB
ALC IN, VIN=-12dBV (reference +32dB),
ALC LEVEL: reference +10dB,
THD: from 2nd to 5th harmonic
ALC IN no input, JIS-A Filter
ALC IN, VIN=-36dBV, Comparison of
f=4kHz/1kHz
ALC IN, VIN=-36dBV, Comparison of
f=22kHz/1kHz
ALC IN, VIN=-36dBV, Comparison of
f=100kHz/1kHz
PB IN, VIN=-14dBV
PB IN, VIN=-14dBV,
THD: from 2nd to 5th harmonic
PB IN, no input, JIS-A Filter
PB IN, LEVEL at which THD (from 2nd to 5th
harmonic)=1%
PB IN, VIN=-10dBV, Comparison of f=4kHz/1kHz
PB IN, VIN=-10dBV, Comparison of
f=22kHz/1kHz
PB IN, VIN=-10dBV, Comparison of
f=100kHz/1kHz
Ratings
min typ max
Unit
5.2 7.0 8.8 mA
2.4 3.2
4 mA
4.8 6.4 8.0 mA
2.1 2.8 3.5 mA
1.2 2.5
5 mA
0.3 0.6 0.9 mA
-15 -14
0.03
-7 -4
0.3
-7 -4
-13 dBV
0.1 %
-1 dBV
0.5 %
-1 dBV
0.4 1 %
-82 -68 dBV
-4.5 -3 -1.5 dBV
-31 -25 dB
-70 -60 dB
-7 -6 -5 dBV
0.1 0.2 %
-90 -82 dBV
-1 0
dBV
-4.5 -3 -1.5 dB
-31 -25 dB
-70 -60 dB
Continued on next page.
No.A1180-2/12


Part Number LA74302FN
Description Monolithic Linear IC Audio Interface
Manufacturer Sanyo Semicon Device
Total Page 12 Pages
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