LC75100M Digital Echo with Microphone Amplifier Circuit LC75

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LC75100M Digital Echo with Microphone Amplifier Circuit LC75

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Ordering number ENA1021
LC75100M
Digital Echo with Microphone Amplifier Circuit
LC75100M digital echo that incorporates microphone amplifier ideal minicompo other audio systems.
Functions
Digital echo incorporating microphone amplifier.
Specitications
Absolute Maximum Rating 25°C,
Parameter Maximum supply voltage Allowable power dissipation Operating ambient temperature Storage ambient temperature Symbol Topr Tstg Ta70°C Name Conditions Ratings 10.5 +125 Unit
Allowable Operating Ranges (Operating Conditions) 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 VDDopg thold fopg Symbol Name 10.0 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.
31908HKIM 20071227-S00002 No.A1021-1/14
LC75100M
Electrical Characteristics Ta=25°C, VDD=9.0V, fin=1kHz, RL=10k
Parameter Quiescent current Clock frequency Symbol IDDO FCLK Ex.R=22k 1.82 Conditions 3.38 unit
Mic-AMP (Input=MICIN1/MICIN2, Output=MICOUT1/MICOUT2, VIN=-46dBV, VALC=VREF-1.414V, Mic-AMP Ex.R=6.2k) gain gain Maximum output voltage Total harmonic distortion Total harmonic distortion Output noise voltage Input impedance attack time release time VGM1 VGM2 VoTHDM1 THDM2 VNOM Mic-AMP Ex.R=0 Mic-AMP Ex.R=6.2k Gain=+36dB, THD=1%, ALC=OFF Gain=+36dB, ALC=OFF, VO=-10dBV Gain=+36dB, ALC=ON, VO=-10dBV, VIN=0dBV Gain=+36dB, JIS-A 1.75 Vrms
Digital Echo (Input=IN1/IN2, Output=ECHOOUT, VIN=-10dBV, Delay Time=100ms, volume 1/2=0dB, feedback volume=-) Delay time Output level deviation Maximum output voltage Total harmonic distortion Output noise voltage THDE VNOE ECHOOUT ECHOOUT ECHOOUT ECHOOUT ECHOOUT THD=10% Filter=A Filter Filter=A Filter FCLK=2.6MHz +2.5 +5.5 +8.5 Vrms
Stereo Line (Input=LCHIN/RCHIN, Output=LCHOUT/RCHOUT, VIN=-10dBV, Line select=STEREO, volume 1/2=ECHO volume=-) Output level deviation Maximum output voltage Total harmonic distortion Output noise voltage Vocal removal rate THDS VNOS LCHOUT/RCHOUT LCHOUT/RCHOUT LCHOUT/RCHOUT LCHOUT/RCHOUT LCHOUT/RCHOUT VIN=-10dBV THD=1% JIS-A, Stereo JIS-A, ECHO JIS-A, VIN=-10dBV -2.5 0.03 -0.5 +1.5 Vrms
Package Dimensions
unit (typ) 3263
15.2
10.5
(0.8)
0.25
SANYO MFP36SDJ(375mil)
(2.25)
2.45max
0.65
No.A1021-2/14
LC75100M
Assignment
VALC MICIN1 ALC1 MICNF1 MICOUT1 MICIN2 ALC2 MICNF2 MICOUT2 AAF1 AAF2 AAF3
LCHIN RCHIN FILTER SELOUT SELIN RCHOUT LCHOUT ECHOIN ECHOOUT LPF2 LPF1 VREF DC3V view
LC75100M
No.A1021-3/14
LC75100M
System Configuration Diagram
Control
LC75100M
Vocal
Mic1
Volume Volume
Mic2
Digital ECHO
ECHO Volume
FEED Back Volume
Block Diagram
Input Input
output output
Selecter (Lch Mono) (Rch Mono) (L+R) (Vocal Cut)
Logic
SRAM (16k_Bit)
ECHO Volume Feed back Volume
Volume Control Voltage Volume
Input1 Input2
Analog
No.A1021-4/14
LC75100M
Description
Name VALC MICIN1 MICIN2 Voltage Internal Equivalent Circuit Description detection voltage setting signal input signal input
ALC1 ALC2
Auto level control Auto level control
MICNF1 MICNF2
feedback signal input feedback signal input
MICOUT1 MICOUT2
signal output signal output
ECHOIN
ECHO circuit signal input ECHO circuit signal input ECHO signal input
AAF1 AAF2 LPF1 LPF2
input input input
input
Continued next page.
No.A1021-5/14
LC75100M
Continued from preceding page.
Name AAF3 Voltage Internal Equivalent Circuit input Description
CL(SCL)
0V/3.3V
Analog pin/I2C
DI(SDA)
0V/3.3V
pin/I2C
0V/3.3V
Oscillator circuit adjustment
DC3V
3.3V
Power supply logic block
VREF
Internal reference voltage
Continued next page.
No.A1021-6/14
LC75100M
Continued from preceding page.
Name Voltage Internal Equivalent Circuit Description
ECHOOUT LCHOUT RCHOUT
ECHO signal output output output
SELIN
Selector input
SELOUT
Selector output
FILTER
Filter input
RCHIN LCHIN
input input
Supply voltage
No.A1021-7/14
LC75100M
Control Data (Serial Data Input) Format
Various settings LC75100M configured with bus. When controlling LC75100M bus, hold level. control Control register mode
Address
M1D2
M1D1
M1D0
M2D2
M2D1
M2D0
Test3
Test2
Test1 Test
Stereo Line Data
Control
Mic1 Volume
mode
Address
Mic2 Volume
Delay Time Control
Feedback Volume
ECHO Volume
Test0
No.A1021-8/14
LC75100M
Serial data input Normal
TEST2 TEST1 TEST0
Internal data
Normal
control register (Inter system developed Philips Corporation. controls start stop condition with (Serial Data) (Serial Clock). outputs these signals open drain type wired
Start condition/P: Stop condition/ACK: Acknowledge Data transferred first. unit made bits. returned slave acknowledgement. slave reads data rising edge SCL. master changes data falling edge SCL. Control registers Slave Address
Note: LC75100M used receive only mode
No.A1021-9/14
LC75100M
Data
Function Stereo line select volume control Delay time control ECHO/Feedback volume Address BINARY 0000 0001 0000 0010 0000 0011 0000 1000 M2D2 M2D1 M2D0 Data TEST3 MID2 TEST2 MID1 TEST1 MID0 TEST0
test bits must
Control Data Description (common both bus)
Control Block/Data Line Select Stereo output Mono output Mono output L+R/2 output Vocal output Reserve Reserve Reserve Determines line output. Description Related Data
External control enable/disable
Determines path that uses external control.
External Control Disabled Enabled
volume gain data M1D2 M1D1 M1D0 M2D2 M2D1 M2D0
Determines gain inputs
M1D2 M2D2
M1D1 M2D1
M1D0 M2D0 -2dB -4dB -6dB -9dB -12dB -15dB
Continued next page.
No.A1021-10/14
LC75100M
Continued from preceding page.
Control Block/Data Delay time data 75ms 100ms 125ms 150ms 175ms 200ms Reserved Determines echo delay time. Description Related Data
Echo volume gain data
Determines gain echo output.
-2dB -4dB -6dB -9dB -12dB -15dB
Feedback volume gain data
Determines volume echo feedback.
-2dB -4dB -6dB -8dB Reserve Reserve Reserve
test data TEST3 TEST2 TEST1 TEST0
Used testing TEST3 TEST0 must
No.A1021-11/14
[I2C Control]
0.22 0.22 1000pF 1000pF 4700pF 4700pF 1000pF 0.01 0.01 0.01
[CCB Control]
Recommended Circuit (Mic-Gain=-36dB)
LC75100M
No.A1021-12/14
LC75100M
Setting Amplifier Gain
amplifier gain adjusted resistors connected pins Moreover, frequency region connecting capacitor. amplifer built-in (Auto Level Control) output level controlled applying reference voltage
VREF
Setting gain R1=562.3k, R2=1.0k [When Gain=45dB] R4=(R1/Mic Gain)-R2 =562.3k/177.8-1k 2.2k Determining
2(R1 1k)C1
Setting operating voltage
1.0Vrms
VCC+1.41V VALC VCC-1.41V VCC-1.41V
No.A1021-13/14
LC75100M
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 intellectual property rights which resulted from technical information products mentioned above.
This catalog provides information March, 2008. Specifications information herein subject change without notice.
No.A1021-14/14

LC75100M Digital Echo with Microphone Amplifier Circuit LC75

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