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TDA7388 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 TDA7388은 전자 산업 및 응용 분야에서
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부품번호 TDA7388 기능
기능 4 X 41W QUAD BRIDGE CAR RADIO AMPLIFIER
제조업체 STMicroelectronics
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TDA7388 데이터시트, 핀배열, 회로
TDA7388
4 x 45 W quad bridge car radio amplifier
Datasheet - production data
Low external component count:
– Internally fixed gain (26 dB)
– No external compensation
– No bootstrap capacitors
'!0'03
Flexiwatt25
Features
High output power capability:
– 4 x 45 W / 4 max.
– 4 x 26 W / 4 @ 14.4 V, 1 kHz, 10 %
Low distortion
Low output noise
Standby function
Mute function
Automute at min. supply voltage detection
Protections:
Output short circuit to gnd, to VS, across the
load
Very inductive loads
Overrating chip temperature with soft thermal
limiter
Load dump voltage
Fortuitous open GND
Reversed battery
ESD
Description
The TDA7388 is an AB class audio power
amplifier, packaged in Flexiwatt 25 and designed
for high end car radio applications.
Based on a fully complementary PNP/NPN
configuration, the TDA7388 allows a rail to rail
output voltage swing with no need of bootstrap
capacitors. The extremely reduced boundary
components count allows very compact sets.
Order code
TDA7388
Table 1. Device summary
Package
Flexiwatt25
Packing
Tube
September 2013
This is information on a product in full production.
DocID14256 Rev 6
1/13
www.st.com
1




TDA7388 pdf, 반도체, 판매, 대치품
List of figures
List of figures
TDA7388
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Standard test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Output power vs. supply voltage (4 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Distortion vs. output power (4 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Distortion vs. frequency (4 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Output noise vs. source resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Total power disipation & efficiency (4 Ohm, sine). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Power dissipation vs. average output power (4 Ohm, audio program simulation) . . . . . . . . 9
ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . . 9
Flexiwatt25 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4/13 DocID14256 Rev 6

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TDA7388 전자부품, 판매, 대치품
TDA7388
Electrical specifications
2.3 Electrical characteristics
VS = 14.4 V; f = 1 kHz; Rg = 600 ; RL = 4 ; Tamb = 25 °C; Refer to the test and application
diagram (Figure 2), unless otherwise specified.
Symbol
Table 4. Electrical characteristics
Parameter
Test condition
Iq1
VOS
dVOS
Quiescent current
Output offset voltage
RL =
Play mode
During mute ON/OFF output ITU R-ARM weighted
offset voltage
see Figure 12
Gv
Po
Po max
THD
Voltage gain
Output power
Max.output power(1)
Distortion
eNo Output noise
-
THD = 10 %; VS = 14.4 V
VS = 14.4 V
VS = 15.2 V
Po = 4 W
"A" Weighted
Bw = 20 Hz to 20 kHz
SVR
fch
Ri
CT
ISB
Supply voltage rejection
High cut-off frequency
Input Impedance
Cross talk
Standby current
consumption
f = 100 Hz; Vr = 1 Vrms
Po = 0.5 W
-
f = 1 kHz; Po = 4 W
f = 10 kHz; Po = 4 W
VSt-by = 0V
VSB out
Standby OUT threshold
voltage
(Amp: ON)
VSB IN Standby IN threshold voltage (Amp: OFF)
AM Mute attenuation
POref = 4 W
VM out Mute OUT threshold voltage (Amp: play)
VM in Mute IN threshold voltage (Amp: mute)
VAM in VS automute threshold
(Amp: mute); Att. 80 dB;
POref = 4 W
(Amp: play); Att. < 0.1 dB;
PO = 0.5 W
Ipin22
Muting pin current
VMUTE = 1.2 V (Source current)
1. Saturated square wave output.
Min. Typ. Max. Unit
120 190 350 mA
- - ±100 mV
-80 - +80 mV
25 26 27 dB
22 26 - W
37 41
-
W
- 45 -
- 0.04 0.15 %
- 50 70 µV
- 70 100 µV
50 65 - dB
100 200 - kHz
70 100
-
k
60 70 - dB
- 60 - dB
- - 20 µA
3.5 - - V
- - 1.5 V
80 90 - dB
3.5 -
-V
- - 1.5 V
- 6.5 V
7.6 8.5
5 11 20 µA
DocID14256 Rev 6
7/13

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