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TPA3111D1 データシート(PDF) 3 Page - Texas Instruments

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部品番号 TPA3111D1
部品情報  10-W FILTER-FREE MONO CLASS-D AUDIO POWER AMPLIFIER with SPEAKER GUARD?
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

TPA3111D1 データシート(HTML) 3 Page - Texas Instruments

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TPA3111D1
www.ti.com ................................................................................................................................................................................................ SLOS618 – AUGUST 2009
DC CHARACTERISTICS (continued)
TA = 25°C, VCC = 24 V, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
High Side
240
IO = 500 mA,
rDS(on)
Drain-source on-state resistance
m
TJ = 25°C
Low side
240
GAIN0 = 0.8 V
19
20
21
GAIN1 = 0.8 V
dB
GAIN0 = 2 V
25
26
27
G
Gain
GAIN0 = 0.8 V
31
32
33
GAIN1 = 2 V
dB
GAIN0 = 2 V
35
36
37
tON
Turn-on time
SD = 2 V
10
ms
tOFF
Turn-off time
SD = 0.8 V
2
μs
GVDD
Gate Drive Supply
IGVDD = 2mA
6.5
6.9
7.3
V
DC CHARACTERISTICS
TA = 25°C, VCC = 12 V, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
Class-D output offset voltage (measured
| VOS |
VI = 0 V, Gain = 36 dB
1.5
15
mV
differentially)
ICC
Quiescent supply current
SD = 2 V, no load, PVcc=12V
20
mA
ICC(SD)
Quiescent supply current in shutdown mode
SD = 0.8 V, no load, PVcc=12V
200
µA
High Side
240
IO = 500 mA,
rDS(on)
Drain-source on-state resistance
m
TJ = 25°C
Low side
240
GAIN0 = 0.8 V
19
20
21
GAIN1 = 0.8 V
dB
GAIN0 = 2 V
25
26
27
G
Gain
GAIN0 = 0.8 V
31
32
33
GAIN1 = 2 V
dB
GAIN0 = 2 V
35
36
37
tON
Turn-on time
SD = 2 V
10
ms
tOFF
Turn-off time
SD = 0.8 V
2
μs
GVDD
Gate Drive Supply
IGVDD = 2mA
6.5
6.9
7.3
V
PLIMIT
Output Voltage maximum under PLIMIT
VPLIMIT=2.0 V; VI=6.0V differential
6.75
7.90
8.75
V
control
AC CHARACTERISTICS
TA = 25°C, VCC = 24 V, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
200 mVPP ripple from 20 Hz–1 kHz,
KSVR
Power Supply ripple rejection
–70
dB
Gain = 20 dB, Inputs ac-coupled to AGND
PO
Continuous output power
THD+N
≤ 0.1%, f = 1 kHz, VCC = 24 V
10
W
THD+N
Total harmonic distortion + noise
VCC = 24 V, f = 1 kHz, PO = 5 W (half-power)
<0.05
%
65
µV
Vn
Output integrated noise
20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB
–80
dBV
Crosstalk
VO = 1 Vrms, 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
Copyright © 2009, Texas Instruments Incorporated
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