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TC9412AF-TC9412AP-TC9413AP
ELECTRONIC VOLUME CONTROL
TOSHIBA
TC9412AP/AF,13AP
TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
TCQM ZAP, TC941] 2AF, TC941] 3AP
ELECTRONIC VOLUME CONTROL
The TC9412AP, TC9412AF, TC9413AP are electronic
volume control ICs developed for use in home stereos
and other audio equipment.
Using serial data input from external sources, it controls
the sound volume, balance and loudness circuits.
FEATURES
Sound volume can be controlled in 62 steps from 0 to
78dB or up to an infinite level in 1 or 2dB increments.
Incorporating two channels of volume control circuits, the
device allows independent volume control : therefore, it
also provides the balancing function.
A loudness circuit (20dB tap) is built in TC9412AP and
TC9412AF.
Can operate with a single or dual power supplies.
Can control up to 4 chips on the same bus by using chip
select input.
Thanks to its polysilicon resistor, the device allows you to
configure a low-distortion, high-performance volume
control system.
TC9412AP
DIP20-P-300-2.54A
TC9412AF
SOP24-P-450-1.27A
TC9413AP
DIP16-P-300-2.54A
Weight
DIP20-P-300-2.54A 1 4g (Typ.)
SOP24-P-450-1.27A 0 Mg (Typ )
DIP16-P-300-2.54A 1 Og (Typ
2001 -06-1 9
TOSHIBA
PIN CONNECTIONS
TC9412AP TC9412AF
1 V88 1 VDD
2 NC 2 NC
3 OUT 3 OUT
L-ch 4 R-ch IN 4 IN
5 L-ch LD1 5 LD1 R-ch
6 LD2 6 LD2
7 A-GND 7 A-GND
8 NC 8 NC
9 CSI CS?
10 NC NC
GND STB
CK DATA
BLOCK DIAGRAM (TC9412AP)
Vss VDD
IN L-ch L-ch
data data
latch latch
circuit circuit
L-ch LD1
Level Shift register (13bit)
circuit
circuit
Strobe generating circuit
TC9412AP/AF,13AP
TC9413AP
vss 1 VDD
OUT 2 OUT
L-ch IN 3 IN R-ch
NC 4 NC
A-GND 5 A-GND
cs1 6 CS2
GND 7 STB
CK 8 DATA
2001 -06-1 9
TOSHIBA TC9412AP/AF,13AP
BLOCK DIAGRAM (TC9412AF)
NC Vss VDD NC
Ci) Ci) f2 (it
OUT 3 Dour
IN 4 L-ch R-ch D Pl
data data
L-ch LD1 Ci)
LD2 Ci)
A-GND 7
9 latch latch
circuit circuit
io) LDI m
39 LD2
Shift register (13bit)
Ci? A-GND
D CSi?
Level Level
NC G 15 NC
shift shift (i))
circuit circuit
Strobe generating circuit
® DATA
BLOCK DIAGRAM (TC9413AP)
VSS VDD
OUT OUT
L-ch R-ch
IN data data IN
L-ch latch latch R-ch
NC circuit circuit NC
A-GND A-GND
CS1 11 CS2
Level Shift register (13bit) Level
GND shift shift STB
circuit circuit
Strobe generating circuit
CK 9 DATA
2001 -06-1 9
TOSHIBA
TC9412AP/AF,13AP
PIN DESCRIPTION
Numeral in [
] means the pin No. of TC9412AF and ( ) means the pin No. of TC9413AP.
PIN No. SYMBOL PIN NAME FUNCTION REMARK
1 [ 1 ] ( 1 ) VSS Nega.tive.power When using VDD--6.0-17V
supply pIn two power GND=0V
supplies = - . ---
9[ 11 ] ( 7 ) GND Digital GND pin VSS 6.0 17V -
When using a V 6.0 18V
Positive power single power DD= . --
2[ 3 ] ( 2 ) L-OUT Volume output oVqume circuit(TC9412AP/AF)
19[ 22 ] ( 15 ) R-OUT pin OUT
3[ 4 ] ( 3 ) L-IN Volume input IN _
18[ 21 ] ( 14 ) R-IN pin LD1 LA1 24-752":
4[ 5 ] ( - ) L-LD1 LD2 3-3kQEiE175kSl-
17[ 20 ] ( - ) R-LD1 Loudness tap G 1m LA2
. A- ND 0—
5[ 6 ] ( - ) L-LD2 output pm
16[ 19 ] ( - ) R-LD2 LA1 LA2
til 7 ] ( 5 ) L-A-GND Loudness"ON" ON OFF
Analog GND pin Loudness"OFF" OFF ON
15[ 18 ] ( 12 ) R-A-GND
8 [ 9 ] ( 6 ) CS1 Chip select input Up to 4 chips on the same bus can
. be used by switching over chip select -
13[ 16 ] ( 11 ) CSi? pm code.
10 [ 12 ] ( 8 ) CK Clock input pin Data transfer clock input Low
11 [ 13 ] ( 9 ) DATA Data input pin Volume setup serial data input tZII'eséhold
12 [ 14 ] ( 10 ) STB Strobe input pin Data write strobe input input pin
7,14[2, 8,10,15,17, 23] .
(4, 13) NC No connection -
2001 -06-1 9
TOSHIBA TC9412AP/AF,13AP
DEVICE OPERATION
Setting up volume value (amount of attenuation)
Serial data consisting of 13 bits is used to set a volume value.
It Data format
(LSB) (MSB)
DATA 1Llstlo1lD2lD3lD4losloislLolc1lc2lc3losl
1) The bits "L" and "R" respectively are the left- and right-channel select data.
The left-channel volume is set when L=1 : the right-channel volume is set when R=1.
(L=R=1 are set simultaneously.)
2) The bit "LD" is the loudness setup data. Loudness is turned on when LD=1.
(This only applies to the TC9412AP and TC9412AF. Set this bit to "0" for the TC9413AP.)
5 2001-06-19
TC9412AP/AF,13AP
TOSHIBA
3) The bits "D1" through "D6" are the volume setup data. For details, see the tables below.
D4 D5 D6
VOLUME
Use Inhibited
D4 D5 D6
VOLUME
2001 -06-1 9
TOSHIBA TC9412AP/AF,13AP
4) The bits "C1" through "C4" are the chip select code data.
These bits set the code data that corresponds to the CS1 and CS2 inputs.
CSICS2 C1 C2 C3 C4
2. Serial data timing
Make sure that CK, DATA and STB are input to the device at the timings shown below.
DATA 4 x x ii x h -
CK ..' i "
i i E : .' "
STB i i 5 E i n
: 1 f : ". "
:" a i' a .." ..' , a a a
5 a 5 i'
P-". E
3 b i a>0.5ps, b> 1.0/15
3. Operating with a single or dual power supplies
The TC9412AP, TC9412AF, TC9413AP can operate with either a single power supply or dual power
supplies.
It Operation with single power supply 0 Operation with dual power supplies
VDD - VDD
A-GND ------_------_ GND/A-GND
(1/2 VDD) ILI'L
GND/Vss - vss
Analog signal Logic signal Analog signal Logic signal
7 2001-06-19
TOSHIBA
TC9412AP/AF,13AP
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage (1) VDD-N/ss -0.3--36 V
Supply Voltage (2) VDD-GND -0.3--20 V
GND Block Input Voltage VIN (1) -0.3--VDD+0.3 V
l/ss Block Input Voltage VIN (2) VSS-0.3-VDD+0.3 v
Power Dissipation PD 300 mW
Operating Temperature Topr -40--85 "C
Storage Temperature Tstg - 65-150 "C
ELECTRICAL CHARACTERISTICS
(Referenced to VDD=15V, V55: -15V, GND=0V at Ta =25°C unless otherwise noted)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Supply Voltage VDD'VSS - Operating vtith dual 12 ' 34 V
(1) power supplies
Operating Supply Voltage VDD-GND - Operating with single 6.0 ._- 18 V
(2) power supply
Operating Supply Current IDD 1 Non-Ioaded, no input - 0.5 2.0 mA
Input "H" Level V|H(1) CK, DATA, STB pins 4.0 VDD V
Voltage "L" Level l/ILO) - VDD=6.0--18V GND -- 1.0
Input "H" Level VIH (2) . VDDXO] -- VDD
Voltage "L" Level v.L(2) - CS1 and CS2 plns GND _ vDon.3 V
Input "H" Level I|H CK, DATA, STB, VIH =15V - 1.0 -- 1.0 A
Current "L" Level IIL - CSI, CS2 pins lhL--0V - 1.0 ~ 1.0 /2
Oriaeratlng Frequency fop . 0 -- 1.0 MHz
Min. Operating Clock T k - CK, DATA, STB pms 0 5 s
Width C . - - ’”
Volume Resistance RUR - When loudness OFF 18.5 27.5 36.5 kn
Step Deviation AVR - Deviation between - 1.2 ~ 1.2 dB
volume steps
Anglog Switch ON- RON - 750 1500 n
Resistance Internal analo switch
Analog Switch Leakage I - g -0.1 -- 0 1 A
Current OFF . . /2
Total Harmonic Distortion THD hN=1kHz - 0.005 - %
Maximum Attenuation ATTMAX VIN =1Vrms - 100 - dB
Output Noise Voltage VN 1 Rg=6ooQ, RL=100kQ - 1.0 - pl/rms
Crosstalk CT BW=20Hz--20kHz - 100 - dB
8 2001-06-19
TOSHIBA TC9412AP/AF,13AP
TEST CIRCUIT (IDD/THD/ATTMAX/VN/C-T)
Same as for L-ch
-I-, STB DATA CK
is,r,i-s-,i2viiciv1isva"'ric/)
TC9412AP
'i? Q1) "il ts) Q) "il ff 10
EXAMPLE OF APPLICATION CIRCUIT (TC9412AP)
47m 47m
ai";,, M ai',,,
-B V +B
-(2 VSS VDD D-
- 4.7/1F ,mp -
531TPUT C) 'iii' 'i-C) Ciiy-'y, $9 ltr,
L- h o I. g [ n Ch 8 -
INCPUT 2.2/1; (ji, \3/ 19 g Iw: ht,,
aj 4 17 G
1500p: t.'. t' JSOOpF
u. 5 16 u.
'j-e 15 ar'
+3 NC NC c%, -B
g-Ci, GND
“HQ CK To CPU
* Used to prevent noise when loudness control is turned on or off. R=220--470kn
(Note) Since a high-frequency digital signal is input to the CK, DATA and STB pins, corrective
measures must be taken to prevent it from getting mixed in the analog circuit to generate
noise by, for example, guarding the above signal lines with ground patterns or using shielding
wire for these lines.
2001 -06-1 9
TOSHIBA
PACKAGE DIMENSIONS
DIP20-P-300-2.54A
TC9412AP/AF,13AP
Unit: mm
20 fi,
r1 C-n r“! T-TI f-l r-I f-l l-l r-n m
y 1...! L_J Ldl 1_r;_| l_] |_l ' #6
"N 25.1MAX
0.87TYP
Weight : 1.4g (Typ.)
10 2001-06-19
TOSHIBA TC9412AP/AF,13AP
PACKAGE DIMENSIONS
SOP24-P-450-1.27A Unit: mm
HDHDDHHHHDM T
cu C'? f;
2 i,i,r.l ii] tii.
jfiUfififififi 12
1.01-5TY.P, Lua, ©EEii]ii?
rtjditjTii)
16. 5MAX
16. 0:0. 2
grog '13 V T
ailiil,ia"Cl'ii 17 _
F8 7 O'JL_.__
F.4- tf h"
c; 1.0:t0.2
Weight : 0.44g (Typ.)
2001 -06-1 9
TOSHIBA TC9412AP/AF,13AP
PACKAGE DIMENSIONS
DIP16-P-300-2.54A Unit: mm
16 9 3,
r1 F-n m r1 l_| W r-n r-1 d
‘ 19.75MAX _,
19.25i0.2 g
c-eethl
0.735TYP
Weight : 1.0g (Typ.)
12 2001-06-19
TOSHIBA TC9412AP/AF,13AP
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.
13 2001-06-19
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