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TPA3125D2N 데이터시트(PDF) 4 Page - Texas Instruments

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부품명 TPA3125D2N
상세설명  10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
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홈페이지  http://www.ti.com
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DC CHARACTERISTICS
AC CHARACTERISTICS
TPA3125D2
SLOS611 – DECEMBER 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 33)
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
210
450
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 = 0.2 VPP, Gain = 20 dB,
kSVR
Supply ripple rejection
–52
dB
freq = 1 kHz
Output power at 1% THD+N
VCC = 24 V, f = 1 kHz; single-ended output
8
Output power at 10% THD+N
VCC = 24 V, f = 1 kHz; single-ended output
10
Output power at 1% THD+N
VCC = 12 V, f = 1 kHz; bridge-tied output
7
Output power at 10% THD+N
VCC = 12 V, f = 1 kHz; bridge-tied output
9
PO
W
VCC = 24 V, f = 1 kHz; bridge-tied output
Output power at 1% THD+N
(output thermally limited to 20W unless
30
heatsink is used)
VCC = 24 V, f = 1 kHz; bridge-tied output
Output power at 10% THD+N
(output thermally limited to 20W unless
36
heatsink is used)
Total harmonic distortion +
f = 1 kHz, PO = 5 W; single-ended output
0.04%
THD+N
noise
Total harmonic distortion +
THD+N
f = 1 kHz, PO = 10 W; bridge-tied output
0.04%
noise
125
µV RMS
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
Mute delay
Time from mute input switches high until
30
µs
outputs muted
Unmute delay
Time from mute input switches low until
120
ms
outputs unmuted
Start-up time
Bypass capacitor on pin 6 = 1
µF
500
ms
4
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA3125D2


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