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TDA7850A 데이터시트 PDF




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부품번호 TDA7850A 기능
기능 4 x 50 W MOSFET quad bridge power amplifier plus HSD
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TDA7850A 데이터시트, 핀배열, 회로
TDA7850A
4 x 50 W MOSFET quad bridge power amplifier plus HSD
Features
High output power capability:
– 4 x 50W/4Ω max.
– 4 x 30W/4Ω @ 14.4V, 1KHz, 10%
– 4 x 80W/2Ω max.
– 4 x 55W/2Ω @ 14.4V, 1KHz, 10%
www.DataSheet4MUO.cSoFmET output power stage
Excellent 2Ω driving capability
Hi-fi class distortion
Low output noise
St-by function
Mute function
Automute at min. supply voltage detection
Low external component count:
– Internally fixed gain (26dB)
– No external compensation
– No bootstrap capacitors
On board 0.35A high side driver
Protections:
Output short circuit to GND, to Vs, across the
load
Very inductive loads
Overrating chip temperature with soft thermal
limiter
Output DC offset detection
Load dump voltage
Fortuitous open gnd
Reversed battery
Flexiwatt27
(vertical)
Flexiwatt27
(horizontal)
ESD
Description
The TDA7850A is a breakthrough MOSFET
technology class AB audio power amplifier in
Flexiwatt27 package designed for high power car
radio. The fully complementary P-Channel/N-
Channel output structure allows a rail to rail
output voltage swing which, combined with high
output current and minimized saturation losses
sets new power references in the car-radio field,
with unparalleled distortion performances.
The TDA7850A integrates a DC offset detector.
Table 1.
Device summary
Order code
TDA7850A
TDA7850AH
Package
Flexiwatt27 (vertical)
Flexiwatt27 (horizontal
Packing
Tube
Tube
October 2007
Rev 1
1/16
www.st.com
1




TDA7850A pdf, 반도체, 판매, 대치품
List of figures
List of figures
TDA7850A
Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Standard test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4. Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Output power vs. supply voltage (RL = 4Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output power vs. supply voltage (RL = 2Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. output power (RL = 4Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Distortion vs. output power (RL = 2Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Distortion vs. frequency (RL = 4Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Distortion vs. frequency (RL = 2Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 12. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
www.DataSheFeigt4uUre.c1o3m. Output attenuation vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 14. Power dissipation & efficiency vs. output power (RL = 4Ω, SINE) . . . . . . . . . . . . . . . . . . . 11
Figure 15. Power dissipation & efficiency vs. output power (RL = 2Ω, SINE) . . . . . . . . . . . . . . . . . . . 11
Figure 16. Power dissipation vs. output power (RL = 4Ω, audio program simulation) . . . . . . . . . . . . . 11
Figure 17. Power dissipation vs. output power (RL = 2Ω, audio program simulation) . . . . . . . . . . . . . 11
Figure 18. ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 11
Figure 19. Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 13
Figure 20. Flexiwatt27 (horizontal) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . 14
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TDA7850A 전자부품, 판매, 대치품
TDA7850A
3 Electrical specifications
Electrical specifications
3.1 Absolute maximum ratings
Table 2. Absolute maximum ratings
Symbol
Parameter
www.DataSheet4U.com
VS
VS (DC)
VS (pk)
IO
Operating supply voltage
DC supply voltage
Peak supply voltage (for t = 50ms)
Output peak current
repetitive (duty cycle 10% at f = 10Hz)
non repetitive (t = 100μs)
Ptot Power dissipation Tcase = 70°C
Tj Junction temperature
Tstg Storage temperature
Value
18
28
50
9
10
80
150
-55 to 150
Unit
V
V
V
A
A
W
°C
°C
3.2
Thermal data
Table 3. Thermal data
Symbol
Parameter
Rth j-case Thermal resistance junction to case
Value
Max. 1
Unit
°C/W
3.3 Electrical characteristics
Table 4.
Symbol
Electrical characteristics
(Refer to the test and application diagram, VS = 14.4V; RL = 4Ω; Rg = 600Ω; f = 1KHz;
Tamb = 25°C; unless otherwise specified).
Parameter
Test Condition
Min. Typ. Max. Unit
Iq1
VOS
dVOS
Quiescent current
Output offset voltage
During mute ON/OFF output
offset voltage
During St-By ON/OFF output
offset voltage
RL =
Play mode - Mute mode
ITU R-ARM weighted
see Figure 18
100 180 280 mA
±60 mV
-10 +10 mV
-10 +10 mV
Gv Voltage gain
dGv Channel gain unbalance
25 26 27 dB
±1 dB
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관련 데이터시트

부품번호상세설명 및 기능제조사
TDA7850

4 x 50W MOSFET Quad Bridge Power Amplifier Plus HSD

ST Microelectronics
ST Microelectronics
TDA7850A

4 x 50 W MOSFET quad bridge power amplifier plus HSD

STMicroelectronics
STMicroelectronics

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