Ordering number : ENA1021
CMOS IC
LC75100M
Overview
Digital Echo IC with Microphone
Amplifier Circuit
The LC75100M is a digital echo IC that incorporates a microphone amplifier and is ideal for use in minicompo and other
audio systems.
Functions
•
Digital echo IC incorporating a microphone amplifier.
Specitications
Absolute Maximum Rating
at Ta = 25°C, VSS = 0V
Parameter
Maximum supply voltage
Allowable power dissipation
Operating ambient temperature
Storage ambient temperature
Symbol
VDD max
Pd max
Topr
Tstg
VDD
Ta≤70°C
Pin Name
Conditions
Ratings
10.5
350
-20 to +70
-40 to +125
Unit
V
mW
°C
°C
Allowable Operating Ranges (Operating Conditions)
at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Input high-level voltage
Input low-level voltage
Input pulse width
Hold time
Operating frequency
VDD
VDDopg
VIH
VIL
tφW
thold
fopg
Symbol
VDD
VDD
8.0
2.0
0
1.0
1.0
500
Pin Name
min
typ
9.0
10.0
3.5
0.5
V
V
μs
μs
kHz
max
unit
V
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.
31908HKIM 20071227-S00002 No.A1021-1/14
LC75100M
Electrical Characteristics
at Ta=25°C, VDD=9.0V, fin=1kHz, RL=10kΩ
Parameter
Quiescent current
Clock frequency
Symbol
IDDO
FCLK
VDD
OSC
OSC Ex.R=22kΩ
1.82
Pin
Conditions
min
typ
13
2.6
max
60
3.38
unit
mA
MHz
Mic-AMP (Input=MICIN1/MICIN2, Output=MICOUT1/MICOUT2, VIN=-46dBV, VALC=VREF–1.414V, Mic-AMP NF Ex.R=6.2kΩ)
Mic gain 1
Mic gain 2
Maximum output voltage
Total harmonic distortion 1
Total harmonic distortion 2
Output noise voltage
Input impedance
ALC attack time
ALC release time
VGM1
VGM2
VoTM
THDM1
THDM2
VNOM
ZiM
TaA
TaR
Mic-AMP NF Ex.R=0Ω
Mic-AMP NF Ex.R=6.2kΩ
Mic Gain=+36dB, THD=1%,
ALC=OFF
Mic Gain=+36dB, ALC=OFF,
VO=-10dBV
Mic Gain=+36dB, ALC=ON,
VO=-10dBV, VIN=0dBV
Mic Gain=+36dB, JIS-A
37
+50
+33
1.75
0.3
1.5
-60
50
30
1.0
1.0
2.0
-55
62
+53
+36
+56
+39
dB
dB
Vrms
%
%
dBV
kΩ
ms
s
Digital Echo (Input=IN1/IN2, Output=ECHOOUT, VIN=-10dBV, Delay Time=100ms, Mic volume 1/2=0dB, feedback volume=-∞)
Delay time
Output level deviation
Maximum output voltage
Total harmonic distortion
Output noise voltage
DT
VGE
VoE
THDE
VNOE
ECHOOUT
ECHOOUT
ECHOOUT
ECHOOUT
ECHOOUT
THD=10%
Filter=A Filter
Filter=A Filter
FCLK=2.6MHz
+2.5
1.5
0.5
-65
2.0
-55
100
+5.5
+8.5
ms
dB
Vrms
%
dBV
Stereo Line (Input=LCHIN/RCHIN, Output=LCHOUT/RCHOUT, VIN=-10dBV, Line select=STEREO, Mic volume 1/2=ECHO volume=-∞)
Output level deviation
Maximum output voltage
Total harmonic distortion
Output noise voltage
Vocal removal rate
VGS
VoS
THDS
VNOS
VC
LCHOUT/RCHOUT
LCHOUT/RCHOUT
LCHOUT/RCHOUT
LCHOUT/RCHOUT
LCHOUT/RCHOUT
VIN=-10dBV
THD=1%
JIS-A, Stereo out
JIS-A, ECHO OFF
JIS-A, VIN=-10dBV
-20
-2.5
1.5
0.03
-85
-18
0.1
-75
-16
-0.5
+1.5
dB
Vrms
%
dBV
dB
Package Dimensions
unit : mm (typ)
3263
15.2
36
19
10.5
7.9
1
(0.8)
0.8
0.3
18
0.25
SANYO : MFP36SDJ(375mil)
0.1
(2.25)
2.45max
0.65
No.A1021-2/14
Microcontroller MCU
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