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TPA3124D2 数据表(PDF) 4 Page - Texas Instruments

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部件名 TPA3124D2
功能描述  15-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Download  29 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TPA3124D2 数据表(HTML) 4 Page - Texas Instruments

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DC CHARACTERISTICS
AC CHARACTERISTICS
TPA3124D2
SLOS578 – MAY 2008........................................................................................................................................................................................................ www.ti.com
TA = 25°C, VCC = 24 V, RL =8Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Class-D output offset voltage
| VOS |
(measured differentially in BTL
VI = 0 V, AV = 36 dB
7.5
50
mV
mode as shown in Figure 36)
V(BYPASS)
Bypass output voltage
No load
AVCC/8
V
ICC(q)
Quiescent supply current
SD = 2 V, MUTE = 0 V, no load
16
30
mA
ICC(q)
Quiescent supply current in
MUTE = 0.8 V, no load
16
mA
mute mode
ICC(q)
Quiescent supply current in
SD = 0.8 V, no load
0.39
1
mA
shutdown mode
rDS(on)
Drain-source on-state
450
210
m
resistance
GAIN0 = 0.8 V
18
20
22
GAIN1 = 0.8 V
GAIN0 = 2 V
24
26
28
G
Gain
dB
GAIN0 = 0.8 V
30
32
34
GAIN = 2 V
GAIN0 = 2 V
34
36
38
Mute attenuation
VI = 1 Vrms
–80
dB
TA = 25°C, VCC = 24 V, RL = 8Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = 24, Vripple = 200 mVPP
100 Hz
–48
ksvr
Supply ripple rejection
dB
Gain = 20 dB
1 kHz
–52
Output power at 1% THD+N
VCC = 24 V, f = 1 kHz
8
PO
W
Output power at 10% THD+N
VCC = 24 V, f = 1 kHz
10
Total harmonic distortion +
f = 1 kHz, PO = 5 W
0.04%
THD+N
noise
125
µV
20 Hz to 22 kHz, A-weighted filter,
Vn
Output integrated noise floor
Gain = 20 dB
–78
dBV
Crosstalk
PO = 1 W, f = 1 kHz; gain = 20 dB
–70
dB
Max output at THD+N < 1%, f = 1 kHz,
SNR
Signal-to-noise ratio
–92
dB
gain = 20 dB
Thermal trip point
150
°C
Thermal hysteresis
30
°C
fOSC
Oscillator frequency
250
300
350
kHz
Δt mute
Mute delay
Time from mute input switches high until
30
µsec
outputs muted
Δt unmute
Unmute delay
Time from mute input switches low until
120
msec
outputs unmuted
4
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3124D2


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