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參數(shù)資料
| 型號： | TDA7473 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | QUAD BTL DRIVER WITH VOLTAGE REGULATOR |
| 中文描述： | 四橋接驅(qū)動器，穩(wěn)壓器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 37K |
| 代理商： | TDA7473 |
ABSOLUTE MAXIMUM RATINGS
Symbol
V
SUP
V
S
T
OP
T
J
Parameter
Value
18
6
-25 to 80
150
Unit
V
V
°
C
°
C
DC Supply Voltage
Channel Power Supply
Operating Temperature Range
Maximum Junction Temperature
THERMAL DATA
Symbol
R
th j-amb
R
thj-pins
Parameter
Value
50 (*)
17
Unit
°
C/W
°
C/W
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Pins
Max.
Typ.
(*) with 6cm
2
of copper heatsink on board.
ELECTRICALCHARACTERISTICS
(@ V
SUP
= 6V, T
amb
= 25
°
C, unless otherwise specified.)
Symbol
V
SUP
Parameter
Test Condition
Min.
6
Typ.
Max.
15
Unit
V
W
mA
mA
mA
mA
mA
mA
mA
Supply Voltage
Maximum Power Dissipation (1)
Quiescent current (2) from V
S
Quiescent current (2) from 5V
Quiescent current (2) from V
SUP
1.5
20
1.8
1.3
1
1.2
0.4
0.3
V
(pin4, 11, 18, 25)
= 5V
V
(pin1)
= 5V, R2 =
∞
V
SUP
= 15V
V
SUP
= 6V
V
(pin1)
= 5V, R2 =
∞
V
SUP
= 15V
V
SUP
= 6V
35
2.5
2.5
2
2
0.8
0.6
Stand-by current from 5V (pin 1)
Stand-by current from V
SUP
CHANNELS BTL
Peak output current for channels
VSATHIGH SIDE
VSATLOW SIDE
Output voltageswing peak-to-
peak
Voltage gain for channels
Channels output offset voltage
Channel St-By Threshold
0.6
A
A
A
V
SAT
I = 0.6A;V
S
= 5V
I = 0.6A;V
S
= 5V
V
S
= 5V, I
out
= 0.6A
1.3
0.7
6
1.6
0.9
5.5
Vpp
25.5
-180
0.65V
reg
0.75V
reg
0.85V
reg
0.50V
reg
26.5
-50
27.5
100
dB
mV
V
V
VST-BY
Active --> St-By
St-By --> Active
REGULATORS
V
5V
Vpin 1
Mindrop 5V -->REG
Output current from DRIV for
pass-transistor driving
Output current from DRIV in
stand-by
DROP V
SUP
--> DRIV
Threshold voltage for overcurr.
protection (VSUP - OC)
I
out
= 0.2A
I
out
= 0.2A
4.85
5.05
1.2
100
5.25
1.3
V
V
I
DRIV
50
mA
20
50
80
mA
I
DRIV
= 20mA
V
SUP
= 6V
V
SUP
= 12V
V
SUP
= 15V
R1, R2 = 1K
0.2
230
160
100
2.53
1.8
3.8
0.25
270
200
120
2.65
2
V
190
120
80
2.45
mV
mV
mV
V
V
V
mA
V
REG
Regulator Voltage
Min REG voltage (settable)
Max REG voltage (settable)
Output current from REG in
Stand-by
3.6
20
R1, R2 = 1K
(1) @ T
= 70
°
C, on board 6cm
2
copper heatsink
(2) INx = COMM; no loads on the regulators outputs
(3) Device is active when St-By = Low
TDA7473
3/5
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| TDA7473A | 功能描述:音頻 DSP QUAD BTL DRIVER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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