TPA311_07 Datasheet, PDF (2/35 Pages) Texas Instruments – 350-mW MONO AUDIO POWER AMPLIFIER

TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
SMALL OUTLINE^†
(D)
MSOP^†
(DGN)
MSOP
Symbolization
– 40°C to 85°C
TPA311D
TPA311DGN
AAB
† _{The D and DGN packages are available taped and reeled. To order a taped and reeled part, add}
the suffix R to the part number (e.g., TPA311DR).
TERMINAL
NAME
NO.
BYPASS
2
GND
7
IN
4
SE/BTL
3
SHUTDOWN
1
VDD
6
VO+
5
VO–
8
Terminal Functions
I/O
DESCRIPTION
I
BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected
to a 0.1-µF to 1-µF capacitor when used as an audio amplifier.
GND is the ground connection.
I IN is the audio input terminal.
I
When SE/BTL is held low, the TPA311 is in BTL mode. When SE/BTL is held high, the TPA311 is in SE
mode.
I SHUTDOWN places the entire device in shutdown mode when held high (IDD = 60 µA, VDD = 5 V).
VDD is the supply voltage terminal.
O VO+ is the positive output for BTL and SE modes.
O VO– is the negative output in BTL mode and a high-impedance output in SE mode.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)^‡
Supply voltage, V_DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Input voltage, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to V_DD +0.3 V
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . internally limited (see Dissipation Rating Table)
Operating free-air temperature range, T_A (see Table 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 40°C to 85°C
Operating junction temperature range, T_J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 40°C to 150°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
‡ _{Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and}
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
D
TA ≤ 25°C
725 mW
DERATING FACTOR
5.8 mW/°C
TA = 70°C
464 mW
TA = 85°C
377 mW
DGN
2.14 W^§
17.1 mW/°C
1.37 W
1.11 W
§ _{Please see the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report}
(literature number SLMA002), for more information on the PowerPAD package. The thermal data was
measured on a PCB layout based on the information in the section entitled Texas Instruments Recommended
Board for PowerPAD on page 33 of the before mentioned document.
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