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Número de pieza | TC9235F | |
Descripción | Electronic Volume Control IC | |
Fabricantes | Toshiba | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TC9235F (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
No Preview Available ! TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC9235P,TC9235F
TC9235P/F
Electronic Volume Control IC
The TC9235P/F is an electronic volume control IC developed for
use in audio equipment such as car stereo and portable stereo
system.
Features
• Attenuation can be controlled from 0dB to −78dB by up, down
input.
• This IC have 20dB tap for loudness circuit.
• This IC features a built-in DC output circuit (7 level) for
volume level meter.
• Polysilicon resistors enables low-distortion, high-performance
volume systems.
• Volume level remains in backup mode with low current
consumption.
• Package is DIP16 and SOP16.
Pin Assignment
TC9235P
TC9235F
Weight
DIP16-P-300-2.54A: 1.0 g (typ.)
SOP16-P-300-1.27: 0.16 g (typ.)
Block Diagram
1 2003-06-24
1 page Maximum Ratings (Ta = 25°C)
Characteristics
Supply voltage
Input voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
VDD
VIN
PD
Topr
Tstg
Rating
−0.3~15
−0.3~VDD + 0.3
300
−40~85
−55~150
Unit
V
V
mW
°C
°C
TC9235P/F
Electrical Characteristics (unless otherwise specified, Ta = 25°C, VDD = 9 V)
Characteristics
Operating supply voltage
Operating supply current
Backup voltage
Backup current
Input voltage
“H” level
“L” level
Input current
“H” level
“L” level
Pull up resistor
Volume resistor
Analog switch ON resistor
Attenuation error
Balance between left and right
Total harmonic distortion
Maximum attenuation
Cross talk
Output noise voltage
OSC frequency
Symbol
VDD
IDD
VQD
IQD
VIH
VIL
IIH
IIL
RUP
RVR
RON
∆ATT
∆RVR
THD
ATTMAX
C・T
VN
fOSC
Test
Circuit
Test Condition
Ta = −40~85°C
1 No load, fOSC = 20 Hz
INH = “L”
1
All input pin
INH input
pin
VIH = VDD
VIL = 0 V
UP , DN , INT input pin
Between IN → GND resistor
Analog switch ON resistor
Volume resistor error between
left and right
fIN = 1 kHz
VIN = 1 Vrms
1
RL = 100 kΩ
Rg = 600 Ω
0dB
∞dB
0dB
1 CX = 2.2 µF, RX = 33 kΩ
Min
4.5
2.0
VDD
× 0.7
0
−1
−1
23
31
Typ.
9.0
0.3
~
0.01
~
~
47
44
500
0
0
0.01
100
100
2.0
20
Max Unit
12 V
1.0 mA
12 V
1.0 µA
VDD
VDD
× 0.3
1
1
71
58
800
±2.0
V
µA
kΩ
kΩ
Ω
dB
±3.0 %
%
dB
dB
µVrms
Hz
5 2003-06-24
5 Page |
Páginas | Total 10 Páginas | |
PDF Descargar | [ Datasheet TC9235F.PDF ] |
Número de pieza | Descripción | Fabricantes |
TC9235F | Electronic Volume Control IC | Toshiba |
TC9235P | Electronic Volume Control IC | Toshiba |
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