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PDF 7314 Data sheet ( Hoja de datos )
| Número de pieza | 7314 | |
| Descripción | DIGITAL CONTROLLED AUDIO PROCESSOR WITH LOUDNESS | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 7314 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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® TDA7314
DIGITAL CONTROLLED AUDIO PROCESSOR
WITH LOUDNESS
1 STEREO INPUT
SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTION TO DIFFERENT SOURCES
INPUT AND OUTPUT FOR EXTERNAL
EQUALIZER OR NOISE REDUCTION SYS-
TEM
LOUDNESS FUNCTION
VOLUME CONTROL IN 1.25dB STEPS
TREBLE AND BASS CONTROL
FOUR SPEAKER ATTENUATORS:
- 4 INDEPENDENT SPEAKERS CONTROL
IN 1.25dB STEPS FOR BALANCE AND
FADER FACILITIES
- INDEPENDENT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL BUS
DESCRIPTION
The TDA7314 is a volume, tone (bass and treble)
balance (Left/Right) and fader (front/rear) processor
for quality audio applications in car radio and Hi-Fi
systems.
SDIP24
ORDERING NUMBER: TDA7314
Selectable input gain and internal loudness function
are provided. Control is accomplished by serial bus
microprocessor interface.
The AC signal setting is obtained by resistor networks
andswitches combined with operationalamplifiers.
Thanks to the used BIPOLAR/CMOS Tecnology,
Low Distortion, Low Noise and DC stepping are ob-
tained.
PIN CONNECTION (Top view)
November 1999
1/12
1 page  
TDA7314
ELECTRICAL CHARACTERISTICS (continued)
Symbol
AUDIO OUTPUTS
Parameter
Test Condition
Min. Typ. Max. Unit
VOCL
RL
CL
ROUT
VOUT
GENERAL
Clipping Level
Output Load Resistance
Output Load Capacitance
Output resistance
DC Voltage Level
d = 0.3%
2 2.5
Vrms
2 KΩ
10 nF
30 75 120 Ω
4.2 4.5 4.8
V
eNO Output Noise
S/N Signal to Noise Ratio
d Distortion
Sc Channel Separation left/right
Total Tracking error
BUS INPUTS
BW = 20-20KHz, flat
output muted
all gains = 0dB
A curve all gains = 0dB
all gains = 0dB; VO = 1Vrms
AV = 0, VIN = 1Vrms
AV = -20dB VIN = 1Vrms
VIN = 0.3Vrms
AV = 0 to -20dB
-20 to -60 dB
2.5 µV
5 15 µV
3 µV
106 dB
0.01
0.09
0.04
0.1
0.3
%
%
%
80 103
dB
0 1 dB
0 2 dB
VIL Input Low Voltage
VIH Input High Voltage
IIN Input Current
VO Output Voltage SDA
Acknowledge
IO = 1.6mA
1V
3V
-5 +5 µA
0.4 V
Note:
(1) Bass and Treble response see attached diagram (fig.19). The center frequency and quality of the resonance behaviour can be choosen by
the external circuitry. A standard first order bass response can be realized by a standard feedback network.
Figure 1: Loudness versus Volume Attenuation
Figure 2: Loudnessversus Frequency
(CLOUD = 100nF)
5/12
5 Page 
DIM.
mm
inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 5.08 0.20
A1 0.51
0.020
A2 3.05 3.30 4.57 0.120 0.130 0.180
B 0.36 0.46 0.56 0.0142 0.0181 0.0220
B1 0.76 1.02 1.14 0.030 0.040 0.045
c 0.23 0.25 0.38 0.009 0.0098 0.0150
D 22.61 22.86 23.11 0.890 0.90 0.910
E 7.62
8.64 0.30
0.340
E1 6.10 6.40 6.86 0.240 0.252 0.270
e 1.778
0.070
e1 7.62
0.30
e2
10.92
0.430
e3 1.52 0.060
L 2.54 3.30 3.81 0.10 0.130 0.150
TDA7314
OUTLINE AND
MECHANICAL DATA
SDIP24 (0.300”)
E
E1
B
24
1
B1 e
D
Stand-off
c
e1
e2
E
13
.015
0,38
Gage Plane
12
e3
SDIP24
e2
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet 7314.PDF ] | |
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