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TPA3111D1PWPR Datenblatt(PDF) 4 Page - Texas Instruments

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Teilenummer TPA3111D1PWPR
Bauteilbeschribung  10-W FILTER-FREE MONO CLASS-D AUDIO POWER AMPLIFIER with SPEAKER GUARD?
Download  28 Pages
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA3111D1PWPR Datenblatt(HTML) 4 Page - Texas Instruments

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SD
FAULT
GND
GND
GAIN0
GAIN1
AVCC
AGND
GVDD
PLIMIT
PVCC
PVCC
BSN
OUTN
PGND
OUTN
BSN
BSP
OUTP
PGND
PWP (TSSOP)Package
(TopView)
INN
INP
NC
11
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17
16
15
OUTP
BSP
PVCC
PVCC
AVCC
TPA3111D1
SLOS618A – AUGUST 2009 – REVISED JULY 2010
www.ti.com
AC CHARACTERISTICS
TA = 25°C, VCC = 12 V, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
200 mVPP ripple from 20 Hz–1 kHz,
KSVR
Supply ripple rejection
–70
dB
Gain = 20 dB, Inputs ac-coupled to AGND
PO
Continuous output power
THD+N
≤ 10%, f = 1 kHz , RL = 8Ω
10
W
PO
Continuous output power
THD+N
≤ 0.1%, f = 1 kHz , RL = 4Ω
10
W
THD+N
Total harmonic distortion + noise
RL = 8 Ω, f = 1 kHz, PO = 5 W (half-power)
<0.06
%
65
µV
Vn
Output integrated noise
20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB
–80
dBV
Crosstalk
Po = 1 W, Gain = 20 dB, f = 1 kHz
–70
dB
Maximum output at THD+N < 1%, f = 1 kHz,
SNR
Signal-to-noise ratio
102
dB
Gain = 20 dB, A-weighted
fOSC
Oscillator frequency
250
310
350
kHz
Thermal trip point
150
°C
Thermal hysteresis
15
°C
PIN FUNCTIONS
PIN
I/O
DESCRIPTION
NAME
Pin #
Shutdown logic input for audio amp(LOW = outputs Hi-Z, HIGH = outputs enabled).
SD
1
I
TTL logic levels with compliance to AVCC.
Open drain output used to display short circuit or dc detect fault status. Voltage
compliant to AVCC. Short circuit faults can be set to auto-recovery by connecting
FAULT
2
O
FAULT pin to SD pin. Otherwise bothe short circuit faults and dc detect faults must
be reset by cycling PVCC.
GND
3
Connect to local ground
GND
4
Connect to local ground
GAIN0
5
I
Gain select least significant bit. TTL logic levels with compliance to AVCC.
GAIN1
6
I
Gain select most significant bit. TTL logic levels with compliance to AVCC.
AVCC
7
P
Analog supply.
AGND
8
Analog supply ground. Connect to the thermal pad.
High-side FET gate drive supply. Nominal voltage is 7V. May also be used as
GVDD
9
O
supply for PLILMIT divider. Add a 1mF cap to ground at this pin.
Power limit level adjust. Connect directly to GVDD pin for no power limiting. Add a
PLIMIT
10
I
1mF cap to ground at this pin.
4
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Copyright © 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPA3111D1


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