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TC9176PTOSHIBAN/a4000avaiHIGH EFFICIENCY ELECTRONIC VOLUME
TC9176P. |TC9176PTOSHIBA ?N/a920avaiHIGH EFFICIENCY ELECTRONIC VOLUME
TC9176P.. |TC9176PTOSHIBA ?N/a93avaiHIGH EFFICIENCY ELECTRONIC VOLUME


TC9176P ,HIGH EFFICIENCY ELECTRONIC VOLUMEELECTRICAL CHARACTERISTICS (Unless otherwise specified,CHARACTERISTI'C_ TESTS.YMBOL" CIR-.CUIT1lss- ..
TC9176P. ,HIGH EFFICIENCY ELECTRONIC VOLUMEELECTRICAL CHARACTERISTICS (Unless otherwise specified,CHARACTERISTI'C_ TESTS.YMBOL" CIR-.CUIT1lss- ..
TC9176P.. ,HIGH EFFICIENCY ELECTRONIC VOLUMEa..."...V m...“_,)i/,il)),frrli,1iit1" ('lj)?,i,"i)l,r,!),,l),,li,,- ELECTRONIC rri'i"iic 18234,. . ..
TC9177P ,High Efficiency Electronic VolumeELECTRICAL CHARACTERISTICS (Unless otherwise specified,CHARACTERISTI'C_ TESTS.YMBOL" CIR-.CUIT1lss- ..
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TC9181F ,PLL FREQUENCY SYNTHESIZER LSI FOR COMMUNICATION USETC9181P/FT(‘Q1R1P T(‘Q1R1FvVIPLL FREQUENCY SYNTHESIZER LSI FOR COMMUNICATION USEThe TC9181P and TC9 ..
TDA7267A ,3W MONO AMPLIFIERTDA7267A®3W MONO AMPLIFIERCAN DELIVER 3W THD 10% 14.5V/8ΩINTERNAL FIXED GAIN 32dBNO FEEDBACK CAPACI ..
TDA7267T , 2 W mono amplifier
TDA7268 ,2 x 2W STEREO AUDIO AMPLIFIERTDA72682 x 2W STEREO AUDIO AMPLIFIERWIDE OPERATING RANGE FROM 4.5V TO 18VP = 2W @ THD 10% 12V/8ΩO ..
TDA7269 ,10 + 10W STEREO AMPLIFIER WITH MUTE & ST-BYELECTRICAL CHARACTERISTICS (Refer to the test circuit, V = + 14V; R =8Ω;RS =50Ω;S LG = 30dB; f = 1K ..
TDA7269A ,14 + 14W STEREO AMPLIFIER WITH MUTE & ST-BY TDA7269A14 + 14W STEREO AMPLIFIER WITH MUTE & ST-BYWIDE SUPPLY VOLTAGE RANGE UP TO±20VSPLIT SUPPL ..
TDA7269ASA ,14W+14W STEREO AMPLIFIER WITH MUTE &ST-BYFEATURES Figure 1. Package■ WIDE SUPPLY VOLTAGE RANGE UP TO +20V■ SPLIT SUPPLYClipwatt11■ HIGH OUTP ..


TC9176P-TC9176P.-TC9176P..
HIGH EFFICIENCY ELECTRONIC VOLUME
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HIGH EFFICIENCY ELECTRONIC VOLUME . I . Unit in mm
The TC9176/77P in an electronic volume TC that has. r1f,'r, H an H n3.
been developed for use on acoustic equipment. ' g
This IC is capable of controlling volume, balance, 3
and loudness by externally inputting serial data. I g T u u u u u“ u
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. Volume control at 40 steps ranging from ME to _ d f i,'-'; I
-76dB at 2dB per- step and - °°. - 4‘ -= d /
. Owing to the built-in 2 channels of L and R, j i l
which can be contrelled independently, ii' (1520.15 254ta25 0:1'5
balancing is possible. . , 1.4:015 . I - 0.25:366
. Provided with the built-in loudness ONIOFF
. Lead pitch is 2.54 and tolerance is
control function (TC9177P only). . 10.25 against theoretical cancer of
- . . _ each lead that 15 obtained on the
. Being 1n the high voltage C-MOS structure, a wide basis of No.1 and No.16 leads.
dynamic range and low distortion are realized. JEDEG -
. Operation by two power supplies (+P-) is possible, TOSHIBA 3D16A-P
and serial data input operates at logic level
20 . ll
(0 --59), so the interfase with a micro computer
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T09176P (without Loudness) _ 16 pins 3
TC9177P (with Loudness)' 20 pins o . 250mm ' Pi 162:025
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' PIN CONNECTIONS _ / _
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Tc9176P TC9177P S . ' +a1
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v33 1 VDD 1 VDD . Lead pitch is as; and tolerance "
L-OUT1 2 R-OUTl a R-Loudneaal tags against theoretical center of
L-IN R-IN . R-Endne“ each lead that is obtained on the
1 G 1 5 2 basis of No.1 and. No.20 lends.
L-A-CND A R-A-GND l R-OUTl
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MAX IMUM RAT I NGS
CHARACTERISTIC SYMBOL RATINGV UNIT
Supply Voltage VDD Vss-O . 3 _ Vss+36 , ll
Input Voltage VIN llss-0 . 3 _ VDD+0 . 3 V
E Power Dissipation PC I 300 mW
' Operating Temperature Topr -30 _ 75 "c
Storage Temperature Tstg -55 _ 125 "c
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VDD=15V, llss=-LW, Ta=25°C)
. TEST -
CHARACTERISTIC SYMBOL' CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Supply _
Voltage Range VDD'VSS - (Note I.) 7.5 32 V
Operating Supply Qurrent IDD . - - 0.5 3.0 mA
" " - _
Input Voltage H Level VIH DATA, CK, ST Terminals 4.o 1IDD+0.3 V
"L" Level Ilu, - . -0.3 _ 1.0 V
. Total ATT1 RATTl - 80 120 160 kn
, Resistance ATT2 RATTZ - _ 10.0 Ih 20 kn
ATTl STEP(1) - f1n=nc~20kuz "-3t"' 9.2 10 10.8 dB
Step Error RIroo -.40--70dB 8.8 11.8
ATT2 STEP(2) - . 1.2 2 2.8 dB
Total Harmonic ATTl THD(1) tel fin--20-20kRa - 0.003 0.005 I',
Distortion _
Factor ATT2 THD(2) " Vin=1.0Vm5 OdB - 0.003 0.005 ,
Max. Attenuation] . ATT(max) - . 90 - - dB
. 7 MB Position
OutPut Noise Voltage '. VN *2 fout=20 ~20kHz, Rg=1kn 2 10 sNtms
Channel Separation C.S *2 Vin=lVrms, fin=1kHz 80 - - dB
Max. Operating Frequency f0ruix) - _ - - 500 kHz
Min: Clock _ "H" Level TCK(H) - . - 1.0 - ,us
Width "L" Level TCk(L) - -. 1.0 - . us
DC Offset Voltage VDC - OdB . - u 2 mV
Note 1 t The operating vbltage is decided by the voltage between V131) and GND, so in case
of two power supplies it is k7.5-d16v, and in case of one power supply, 7.5 ~16V.
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FUNCTIONAL DESCRIPTION OF EACH TERMINAL
'! T09176P _ _
“§ng“ SYMBOL FUNCTION REMARKS
2 L-om lOdB/Step attenuator output. (L/R)
15 R-OUTl Signal applied to IN is attenuated in 8 2/15
steps from OdB to 70dB at 10dB/step.'
3 L-IN1 lOdB attenuator input. 3/14
14 R-INI
4 A-GND Analog ground terminal. 4/13
5 L-TN2 t
12 L-IN2 2dB attenuator input. 5/12
6 L-OUTz 2dB attenuator output. 6/11
11 R-OUTZ Signal applied to IN ls attenuated in k
5 steps from OdB to 8dB at 2dB/step.
Attenuation level and channel selection Low threshold
9 DATA data input. This data inverter consists inverter l
E of 20 bits and ts input by CK signal. 'o-troy-----
, Clock input terminal. Same as DATA
8 CK Clock input terminal for taking data from terminal
the DATA terhinal;
Strobe input terminal.
Attenuation live1 and channel selection
10 " data taken fiom the DATA and CK terminals
are latched when this terminal is placed
Hat "H" level. When "H" level signal is
hot supplied to this terminal, the previous
data is maintained. _
16 VDD (+) power supply terminal.
7 GND Earthing terminal.
1 Vss (-0 power supply terminal.
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TERMINAL
No SYMBOL FUNCTION REMARKS
Loudness terminal. '
When the loudness data. is input, these
2, 3 L-Loudness1,2 terminals ls changed to the -20dB tap 2/19
19, 18 R-Loudness1,2 terminals. Loudness control is possible by
the connection of the'high and low boost 5/13
circuits to these terminals.
lOdB/step attenuator output.
4 L-00TI
17 R-00TI Signal supplied to IN is attenuated in
8 steps from OdB to 70dB at lOdB/step. E
5 L-TNI lOdB attenuator Input. 1
16 R-INI _
6 A-GND Analog graund terminal.
7 L_INZ 2dB attenuator input. g
14 R-IN2 -.,'
8 L-00T2 2dB attenuator output. _ ;
13 R-00T2 Signal supplied to IN is attenuated In 5 i
steps from OdB to 8dB at 2dB/step.
Attenuation level and channel selection
11 DATA data input. This data consists of 20 bits
and ls input by CK signal.
Clock Input to take in data from the DATA
terminal.
Strobe input terminal.
Attenuation level and channei selection
1 1 data taken from the DATA and CK terminals
12 ST _ are latched when this terminal is placed
at "H" level. When "H" level signal is not
r supplied to this terminal, the previous
data is maihtained.
20 VDD (+) power supply terminal.
9 GND Earthing terminal.
1 Ilss (-) power supply terminal. '
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DESCRIPTION OF OPERATION - "
SETTING OF ATTENUATION
As for the TC9176/77P, optional attenuation level data should be input from the DATA,
CK and ST terminals. This data consists of 20 bits.
(The TC9176P has no loudness control and therefors, the 3rd bit must be always at "L"
level).
TC9176P
LOh stetl 'o' OdB -a1 Ems man man can -101E -4ttli2-. 10113 H5tMH)1B-'m1B 'o' 'o' '0' '1'
TC9177P Loudness
Lets tteh OdB -2dB -AdB -6dB 43.313 06.8 -10dB -a11B- 10:13 -5oan -6tW3 wow '0' 'o' 'o' '1'
CK _ .
1 2 GI 5 6 VB 910 1112 1314. 1616 1710192)
For example, input of data (11001000001000000001) sets attenuation level of -22dB.
lst and 2nd bit of the data are for LCh and Rob selection.
3rd bit is a loudness control ON/OFF bit for the TC9177P only and the 16udness
control is ON at "1" and OFF at "0". ‘In case of the TC9176P, it is alyays "0",
4th-8th bits are for setting attenuation at 2dB/step and 9th--16th bits are for
setting attenuation at 10dB/step..
17ths 20th bits are chip select bits and both the TC9176P and TC9177P are selected 7
only by (0001) and ls never operated by other than (0001).
The infinite attenuation level is set by Cate of -78dB. Therefore, one step up
from the infinity becomes -76dB. Every change to data that has been taken in ls
synchronized with rise edge of ST signal.
DATA I -16dB I IV-ledB I I -20dB I Farr, I .
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DATA, CK, ST INPUTS
The TC9176/77P is generally operated by (+) and (-) power supplies.
Owing to the built-in level shifter, the DATA, CK and ST terminals are operated by (+)
power supply only. The Input inverter for there 3 terminals have low input threshold
voltage and therefore, there terminals 'operate at 5V logic level.
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Low threshold inverter
Input DATA, CK and ST at the following timings:
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POWER SUPPLY
Though the TC9176P/77P Is generally operated sith tho power supplies, use of a
single power supply is possible. In this case, however, as operating voltage ls
decided by voltage between VDD and GND, it will become half of that of two power
sources. 'z'
o TWO POWER SUPPLY. . . 0 ONE POWER SUPPLY
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l The attenuator consists of diffusion resistor arrays and analog switches.
g Attenuator l attenuator 0s70dB at lOdB/step, while Attenuator 2 attenuator 0--8dB
' at 2dB/step, total 0-76dB at 2dB/step ls available.
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A-GND T . ATTENUATOR 1
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R2=14kn (TYP.)
diodes as illhstrated below.
If there is the possibility for Input of excessive voltage, insert protective
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T09177P
LOUDNESS FUNCTION (TC9177P)
The TC9177P is provided with the loudness taps.
LOUDNESS 0N
When 3rd bit of data ls set to "l", the loudness switch LSl is turned 0N_and LS2 is
turned OFF, outputting .-20 dB attenuation level to Loudness-1 and Loudness-2 terminals.
When a high/low-pass boost circuit is added externally to Loudnessrl and Loudness-2
terminals, it becomes possible to control loudness to -20dB or below.
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LOUDNESS OFF .
When 3rd bit of data is set to "O", the loudness switch LSI is-turned OFF and LS2 is
turned ON. The external high/low-pass boost circuit does not operated and the
loudness is thus OFF.
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EXAMPLE OF TC9176P APPLICATION CIRCUIT
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EXAMPLE OF TC9177P APPLICATION CIRCUIT
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