參數(shù)資料
型號: TDA7493
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封裝: ROHS COMPLIANT, MO-153ADT, SSOP-24
文件頁數(shù): 30/30頁
文件大?。?/td> 863K
代理商: TDA7493
TDA7493
Electrical specifications
Doc ID 14570 Rev 5
9/30
4
Electrical specifications
4.1
Absolute maximum ratings
4.2
Thermal data
4.3
Electrical characteristics
Refer to Figure 3: Typical application circuit, VCC = 5 V, RL (load) = 4 , R1 = 39 k,
C4 = 100 nF, f = 1 kHz, GV = 18 dB, Tamb = 25 °C, unless otherwise specified.
Table 3.
Absolute maximum rating
Symbol
Parameter
Negative
value
Positive
value
Unit
VCC
DC supply on pins PVCCPL, PVCCPR, PVCCNL,
PVCCNR, SVCC
-0.3
6
V
Vi
Input on pins STANDBY, INNL, INPL, INNR, INPR,
GAIN0, GAIN1
-0.3
6
V
Top
Operating temperature
0
70
°C
Tstg, Tj
Storage and junction temperature
-40
150
°C
Table 4.
Thermal data
Symbol
Parameter
Min
Typ
Max
Unit
Rth j-case
Thermal resistance junction to case
-
2
3
°C/W
Rth j-amb
Thermal resistance junction to ambient
(on recommended PCB) (1)
1.
FR4 with via holes, copper area 9 cm as explained in Chapter 8 on page 28.
-37
-
°C/W
Table 5.
Electrical characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
VCC
Supply range
-
3.0
-
5.5
V
Iq
Total quiescent current
No filter, no load
-
7
-
mA
Vos
Output offset voltage
Vi = 0, Gv = 6 dB, no load
-20
-
20
mV
Po
Output power (filterless)
THD = 10%
-
3.0
-
W
THD = 1%
-
2.4
-
W
Po
Output power (with filter)
THD = 10%
-
2.8
-
W
THD = 1%
-
2.2
-
W
Pd
Dissipated power
Po = 2.8 W + 2.8 W,
THD = 10%
-1.1
-
W
η
Efficiency
Po = 2.8 W + 2.8 W, RL =4 -83
-
%
相關(guān)PDF資料
PDF描述
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