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TC9299P
ELECTRONIC VOLUME CONTROL IC
TOSHIBA
TC9299P
TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
TC9299P
ELECTRONIC VOLUME CONTROL IC
TC9299P is electronic volume control IC developed for use
in audio equipment such as home stereo sets.
This IC control balance and rear speaker.
The volume, balance and loudness circuits can be
controlled by serial data which are input externally.
FEATURES
0 Thirty-two level volume control in 1dB steps from OdB to
30dB, 00dB.
lt The volume circuit features 2 built-in channels which can
be controlled independently, thus controlling balance.
DlP16-P-300-2.54A
Weight : 1.0g (Typ.)
DATA IN R-ch
CIRCUIT NC
0 Single and dual power supply operation.
0 Chip select input allows control of up to four of these chips on the same bus.
0 Polysilicon resistors enables low-distortion, high-performance volume systems.
It Package is DIP16 Pin.
PIN CONNECTION BLOCK DIAGRAM
VSS VDD
l/SS 1 VDD
OUT 2 OUT L-ch R-ch
L-ch IN 3 IN R-ch L-ch IN DATA
NC 4 NC LATCH LATCH
A-GND 5 A-GND NC CIRCUIT
CSI 6 CS2
GND 7 STB
CK 8 DATA A-GND
LEVEL SHIFT REGISTER (13bit) LEVEL
GND SHIFT
CIRCUIT
SHIFT STB
CIRCUIT
STROBE GENERATION CIRCUIT
2001 -06-1 9
TOSHIBA TC9299P
PIN FUNCTION
PIN No. SYMBOL PIN NAME FUNCTION AND OPERATION NOTE
1 I/SS Negative power supply pin VDD=6.0--17V
Dual power supply E GND=0V
7 GND Digital ground pin VSS= -6.0--17V
. V =6.0~18V
S n Ie 0 er s I DD
16 VDD Positive power supply pin I g p w upp C VSS--GND--0V
2 L-OUT ' '
Volume output pins q Volume circuit
15 R-OUT OUT
3 L-IN . . IN
Volume input pms -
14 R-IN
5 L-A-GND
Analog ground pins A-GND
12 R-A-GND
6 CS1 Chi select in ut ins Switching chip select code allows control of
11 CS2 p p p up to 4 chips simultaneously on one bus. -
8 CK Clock input pin Clock input for data transfer Low
. . . . . threshold
9 DATA Data input pm Serial data input for setting volume .
value input
10 STB Strobe input pin Strobe input for writing data pins
4, 13 NC Not connected -
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TOSHIBA TC9299P
OPERATIONS
1. Setting volume values (Attenuation)
The volume values are set using 13bit serial data.
0 Data format
(LSB) (MSB)
DATA IL I R Io1lD2lD3lD4losl"0"l"0"lc1lc2lc3lcpl
1) L is left channel select data, R is right channel select data.
When L=1, left channel volume is set. When R=1, right channel volume is set.
(When R=L= l, both channel volumes are set simultaneously)
2) 8, 9bit data is set to "0".
3) ''D1''--''D5'' are volume value setting data.
1f)ll/)iE D1 D2 D3 D4 D5 Itil-ll/IE DI D2 D3 D4 D5
OdB o o o o o 16dB o o o o 1
1 1 o o o o 17 1 o o o 1
2 o 1 o o o 18 o 1 o o 1
3 1 1 o o o 19 1 1 o o 1
4 o o 1 o o 20 o o 1 o 1
5 1 o 1 0 o 21 1 o 1 o 1
6 o 1 1 o o 22 o 1 1 o 1
7 1 1 1 o o 23 1 1 1 o 1
8 o o o 1 o 24 o o o 1 1
9 1 o o 1 o 25 1 o o 1 1
IO 0 1 o 1 0 26 o 1 o 1 1
11 1 1 o 1 o 27 1 1 o 1 1
12 o o 1 1 o 28 o o 1 1 1
13 1 o 1 1 o 29 1 o 1 1 1
14 o 1 1 1 o 30 o 1 1 1 1
15 1 1 1 1 o CK) 1 1 1 1 1
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TOSHIBA
4) "C1"~"C4" are chip select code data.
Code data are set according to CS1 and CS2 input.
CSICS2 C1 C2 C3 C4
2. Serial data timing
Input CK, DATA and STB according to the following timing.
DATA X X X l', X l
TC9299P
CK 5 5 n
5 : s i : "
STB i i 5 E i n
: 1 .' '. ". "
E a E a i E E a
5 a i i
5 b .: a>0.5ps, b> 1.0ps
u'-'''-'
3. Single and dual power supply operation
TC9299P is operate with single or dual power supplies.
With single or dual power supply, serial data logic level can be tr-w.
0 Single power supply operation tt Dual power supply operation
VDD - VDD
A-GND GND/A-GND
(1/2 VDD)
GND/l/ss vss
Analog Signal Logic Signal Logic Signal
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TOSHIBA
TC9299P
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply Voltage (1) VDD-USS -0.3--36 V
Power Supply Voltage (2) VDD-GND -0.3--20 V
GND Input Voltage VIN (1) -0.3--VDD+0.3 V
l/ss Input Voltage VIN (2) vss - 0.3--VDD + 0.3 V
Power Dissipation PD 300 mW
Operating Temperature Top, -40--85 "C
Storage Temperature Tstg - 65-150 "C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VDD= 15V, V55: -15V, GND=0V, Ta =25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Supply Voltage Dual power supply
(1) VDD l/SS - operation 12.0 34 V
Operating Supply Voltage VDD-GND - Single .power supply 6.0 -- 18 V
(2) operation
Operating Supply Current DD 1 No load, No input - 0.5 1.0 mA
I t v It "H" Level VIH (1) CK, DATA, STB terminal 4.0 VDD v
npu tt age "L" Level v.L(1) - VDD=6.0--18V GND -- 1.0
"H" Level VIH (2) . VDDXO.7 ' VDD
Input Voltage "L" Level VIL(2) - CS1, CS2 terminal GND "_.. VDDx0.3 V
"H" Level IIH CK, DATA, le =15V - - 1.0
Input Current - STB, CSI, CS2 pA
"L" Level IIL terminal lhL=0V - 1.0 - -
Operating Frequency fop . 0 ' 1.0 MHz
Range - CK, DATA, STB terminal
Minimum Clock Frequency Tck 0.5 - - pe;
Volume Resistance Value RVR - - 30 43 57 k0
Step Deviation AVR - Volume step deviation -0.5 - 0.5 dB
Anglog Switch ON RON - 350 600 n
Resistance Internal analo switch
Analog Switch OFF Leak I - g -0.1 0.1 A
Current OFF . . #
Total Harmonic Distortion THD fIN=1kHz - 0.005 - %
Maximum Attenuation ATTMAX VIN =1Vrms - 100 - dB
Output Noise Voltage VN 1 Rg=6OOQ, RL=100kQ - 1.0 - #Vrms
Cross Talk CT BW=20Hz--20kHz - 100 - dB
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TOSHIBA TC9299P
TEST CIRCUIT 1 (IDD/THD/ATTMAx/VN/C-T)
Same as L-ch
|_|_‘ STB DATA CK
t + V ol, ol, (14) (13) 12 11 10 9
APPLICATION CIRCUIT
47m 47psF
-a+ -pa+
01/1F ", 0.1PF
-8 V +B
'(12 VSS VDD D-
oUTo-. + -retrp, fsya- _ -OOUT
4.7pF 4.7prF
IN c Ci) (ii) O IN
(i':,), 4 A 13 j tr
-(ts CS1
g-fi, GND
(Note) High-frequency digital signals are input to pins CK, DATA and STB.
Since these signals may cause noise in analog circuits, either use shield wire for CK,
DATA, and STB signal lines, or design the pattern so that these signal lines are
protected by the ground line.
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TOSHIBA TC9299P
PACKAGE DIMENSIONS
DIP16-P-300-2.54A Unit : mm
[-1r'-'e1r-nF'--'1i-1l-1ei'-1
6.4:t0.2
V'-''-''''-'''-''
V 19.75MAX "
1925:02 M.
03:51:01
Jk ''0.u-
A A U!
- . i co
0.735TYP . . i l 0.5i0.1_g0'25 (ii)
Weight : 1.0g (Typ.)
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TOSHIBA TC9299P
RESTRICTIONS ON PRODUCT USE
000707EBA
OTOSHIBA is continually working to improve the quality and reliability of its products.
Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,
when utilizing TOSHIBA products, to comply with the standards of safety in making a safe
design for the entire system, and to avoid situations in which a malfunction or failure of such
TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please
keep in mind the precautions and conditions set forth in the "Handling Guide for
Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc..
OThe TOSHIBA products listed in this document are intended for usage in general electronics
applications (computer, personal equipment, office equipment, measuring equipment, industrial
robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor
warranted for usage in equipment that requires extraordinarily high quality and/or reliability or
a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended
Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship
instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA
products listed in this document shall be made at the customer's own risk.
0 The products described in this document are subject to the foreign exchange and foreign trade
OThe information contained herein is presented only as a guide for the applications of our
products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of
intellectual property or other rights of the third parties which may result from its use. No
license is granted by implication or otherwise under any intellectual property or other rights of
TOSHIBA CORPORATION or others.
0 The information contained herein is subject to change without notice.
8 2001-06-19
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