參數(shù)資料
型號(hào)： TAS5101IDAPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻／視頻放大
英文描述： 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32
封裝： POWERPAD, PLASTIC, MO-153, HTSSOP-32
文件頁(yè)數(shù)： 14/14頁(yè)
文件大?。?/td> 185K
代理商： TAS5101IDAPRG4
TAS5101
SLES039 – JUNE 2002
9
www.ti.com
recommended operating conditions (nominal output power = 2
× 15 W (RMS), TA = 25°C)
thermal data
PARAMETER
MIN
NOM
MAX
UNIT
Shutdown junction temperature, TJ(SD)
150
°C
Warning junction temperature, TJ(W)
125
°C
Operating ambient temperature TA
Commercial
0
25
70
°C
Operating ambient temperature, TA
Industrial
–40
25
85
°C
Thermal resistance junction-to-ambient,
θja
2 oz. trace and copper pad with solder
23.5
°C/W
Thermal resistance junction-to-case,
θjc
2 oz. trace and copper pad without solder
0.32
°C/W
Thermal resistance junction-to-ambient,
θja
2 oz. trace and copper pad without solder
44.3
°C/W
One of the most influential components on the thermal performance of a package is board design. In order to take full advantage of the heat
dissipating abilities of the PowerPAD packages, a board must be used that acts similar to a heat sink and allows for the use of the exposed (and
solderable), deep downset pad. See Appendix A of the PowerPAD Thermally Enhanced Package application note, TI literature number SLMA002
and the Thermal Design of the PowerPad PCB Layout section of the System Design Considerations for True Digital Audio Power Amplifiers
application note, TI literature number SLAA117.
RL = 4 to 8
PARAMETER
MIN
NOM
MAX
UNIT
Digital
DVDD to DVSS
3
3.3
3.6
V
PVDDA2 to PVSS
16.5
26.5
28
Supply voltage
Regulator
PVDDB2 to PVSS
16.5
26.5
28
V
yg
Regulator
PVDDA2 to PVSS}
10.5
16.5
V
PVDDB2 to PVSS}
10.5
16.5
If PVDD is greater than 26.5 V, 15 Watts per channel is still the maximum specified continuous output power.
If using a PVVD power supply less than 16.5 V, connect LDROUTA to PVDDA2 and connect LDROUTB to PVDDB2. Under this condition
H-Bridge forward on-state resistance is increased. This will increase internal power dissipation. Maximum output power may need to be reduced
to meet thermal conditions.
maximum available power at common load impedance for DAP package unclipped (0 dB) level
LOAD IMPEDANCE
(
)
PVDAA1/PVDDB1
(VDC)
APPROXIMATE MAX OUTPUT POWER
(W)
THD+N AT MAX POWER AND 1 kHz INPUT
4
26.5
15
< 0.1%
6
27
12.85
< 0.09%
8
27
9.64
< 0.09%
Dependent on board design and component selection.
相關(guān)PDF資料
PDF描述
TAS5102DADG4 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32
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