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TPA3128D2DAPR Arkusz danych(PDF) 6 Page - Texas Instruments

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Numer części TPA3128D2DAPR
Szczegółowy opis  2x30-W Class-D Amplifier With Low Idle Power Dissipation
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

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TPA3128D2
SLOS941A – MAY 2016 – REVISED DECEMBER 2016
www.ti.com
Product Folder Links: TPA3128D2
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
6.5 DC Electrical Characteristics
TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω, fs = 400 kHz, low idle-loss mode(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
| VOS |
Class-D output offset voltage (measured
differentially)
VI = 0 V
1.5
5
mV
ICC
Quiescent supply current
SDZ = 2 V, With load and filter, PVCC = 12 V
17
SDZ = 2 V, With load and filter, PVCC = 24 V
23
ICC(SD)
Quiescent supply current in shutdown
mode
SDZ = 0.8 V, With load and filter, PVCC = 12 V
20
µA
SDZ = 0.8 V, With load and filter, PVCC = 24 V
30
rDS(on)
Drain-source on-state resistance,
measured pin to pin
PVCC = 21 V, Iout = 500 mA, TJ = 25°C
90
G
Gain (BTL)
R1 = 5.6 kΩ, R2 = Open
19
20
21
dB
R1 = 20 kΩ, R2 = 100 kΩ
25
26
27
R1 = 39 kΩ, R2 = 100 kΩ
31
32
33
dB
R1 = 47 kΩ, R2 = 75 kΩ
35
36
37
G
Gain (SLV)
R1 = 51 kΩ, R2 = 51 kΩ
19
20
21
dB
R1 = 75 kΩ, R2 = 47 kΩ
25
26
27
R1 = 100 kΩ, R2 = 39 kΩ
31
32
33
dB
R1 = 100 kΩ, R2 = 16 kΩ
35
36
37
ton
Turn-on time
SDZ = 2 V
40
ms
tOFF
Turn-off time
SDZ = 0.8 V
2
µs
GVDD
Gate drive supply
IGVDD < 200 µA
5.1
5.6
6.1
V
VO
Output voltage maximum under PLIMIT
control
V(PLIMIT) = 2 V; VI = 1 Vrms
6.75
8.2
8.75
V
6.6 AC Electrical Characteristics
TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
KSVR
Power supply ripple rejection
200 mVPP ripple at 1 kHz, Gain = 20 dB, Inputs AC-
coupled to GND
–70
dB
PO
Continuous output power
THD+N = 10%, f = 1 kHz, PVCC = 14.4 V
25
W
THD+N = 10%, f = 1 kHz, PVCC = 21 V
30
THD+N
Total harmonic distortion + noise
VCC = 21 V, f = 1 kHz, PO = 15 W (half-power)
0.1%
Vn
Output integrated noise
20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB
65
µV
–80
dBV
Crosstalk
VO = 1 Vrms, Gain = 20 dB, f = 1 kHz
–100
dB
SNR
Signal-to-noise ratio
Maximum output at THD+N < 1%, f = 1 kHz, Gain = 20 dB,
A-weighted
102
dB
fOSC
Oscillator frequency
AM2=0, AM1=0, AM0=0
376
400
424
kHz
AM2=0, AM1=0, AM0=1
470
500
530
AM2=0, AM1=1, AM0=0
564
600
636
AM2=0, AM1=1, AM0=1
940
1000
1060
AM2=1, AM1=0, AM0=0
1128
1200
1278
AM2=1, AM1=0, AM0=1
282
300
318
AM2=1, AM1=1, AM0=0
Reserved
AM2=1, AM1=1, AM0=1
Thermal trip point
≥150
°C
Thermal hysteresis
15
°C
Over current trip point
TPA3128D2
7.5
A


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