TDA2030AV STMicroelectronics, TDA2030AV Datasheet - Page 9
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TDA2030AV
Manufacturer Part Number
TDA2030AV
Description
IC AMP AUDIO 18W MONO PENTAWATT5
Manufacturer
STMicroelectronics
Type
Class ABr
Specifications of TDA2030AV
Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
18W x 1 @ 4 Ohm
Voltage - Supply
12 V ~ 44 V, ±6 V ~ 22 V
Features
Short-Circuit and Thermal Protection
Mounting Type
Through Hole
Package / Case
Pentawatt-5 (Vertical, Bent and Staggered Leads)
Product
Class-AB
Output Power
18 W
Available Set Gain
80 dB
Thd Plus Noise
0.5 %
Operating Supply Voltage
22 V
Supply Current
80 mA
Maximum Power Dissipation
20000 mW
Maximum Operating Temperature
+ 150 C
Mounting Style
Through Hole
Audio Load Resistance
8 Ohms
Dual Supply Voltage
+/- 9 V, +/- 12 V, +/- 15 V, +/- 18 V
Input Bias Current (max)
2 uA
Input Offset Voltage
15 V
Input Signal Type
Differential
Minimum Operating Temperature
- 40 C
Output Signal Type
Single
Supply Type
Dual
Amplifier Type
MIC
Bandwidth
100 MHz
Current, Input Bias
0.2 μA
Current, Input Offset
±20 nA
Current, Output
3.5 A
Current, Supply
50 mA
Harmonic Distortion
0.08 %
Impedance, Thermal
3 °C/W
Open Loop Gain
80
Package Type
Pentawatt
Power Dissipation
20 W
Resistance, Input
5 Megohms
Slew Rate
8
Voltage, Input
±22 V
Voltage, Input Offset
±2 mV
Voltage, Noise
3 μV
Voltage, Supply
±6 to ±22 V
Amplifier Class
AB
No. Of Channels
1
Supply Voltage Range
± 6V To ± 22V
Load Impedance
4ohm
Operating Temperature Range
-50°C To +150°C
Amplifier Case Style
Pentawatt V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2165-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA2030AV
Manufacturer:
ST
Quantity:
100 000
Company:
Part Number:
TDA2030AV
Manufacturer:
ST
Quantity:
12 000
Part Number:
TDA2030AV
Manufacturer:
ST
Quantity:
20 000
Figure 18 : Power Distribution versus Frequency
Both active and passive filters can be used for
crossovers but today active filters cost significantly
less than a good passive filter using air cored
inductors and non-electrolytic capacitors. In addi-
tion, active filters do not suffer from the typical
defects of passive filters:
- power less
- increased impedance seen by the loudspeaker
- difficulty of precise design due to variable loud-
Obviously, active crossovers can only be used if a
power amplifier is provided for each drive unit. This
makes it particularly interesting and economically
sound to use monolithic power amplifiers.
In some applications, complex filters are not really
necessary and simple RC low-pass and high-pass
networks (6dB/octave) can be recommended.
The result obtained are excellent because this is
the best type of audio filter and the only one free
from phase and transient distortion.
The rather poor out of band attenuation of single
RC filters means that the loudspeaker must operate
linearly well beyond the crossover frequency to
avoid distortion.
(lower damping)
speaker impedance.
A more effective solution, named "Active Power
Filter" by SGS-THOMSON is shown in Figure 19.
Figure 19 : Active Power Filter
The proposed circuit can realize combined power
amplifiers and 12dB/octave or 18dB/octave high-
pass or low-pass filters.
In practice, at the input pins of the amplifier two
equal and in-phase voltages are available, as re-
quired for the active filter operation.
The impedance at the pin (-) is of the order of 100 ,
while that of the pin (+) is very high, which is also
what was wanted.
The component values calculated for f
using a Bessek 3rd order Sallen and Key structure
are :
Using this type of crossover filter, a complete 3-way
60W active loudspeaker system is shown in Fig-
ure 20.
It employs 2nd order Buttherworth filters with the
crossover frequencies equal to 300Hz and 3kHz.
The midrange section consists of two filters, a high
pass circuit followed by a low pass network. With
V
is 25W at d = 0.06% (30W at d = 0.5%).
The power delivered to the midrange and the
tweeter can be optimized in the design phase
taking in account the loudspeaker efficiency and
impedance (R
It is quite common that midrange and tweeter
speakers have an efficiency 3dB higher than-
woofers.
S
= 36V the output power delivered to the woofer
C
1
= C
22nF
2
= C
L
3
= 4 to 8 ).
8.2k
R
1
5.6k
R
2
TDA2030A
c
= 900Hz
33k
R
3
9/15