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TPA3126D2 Datasheet(PDF) 7 Page - Texas Instruments

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Part # TPA3126D2
Description  50-W Stereo, Analog-Input, Class-D Audio Amplifier with Low, 15-mA Idle Current and AM Avoidance
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3126D2 Datasheet(HTML) 7 Page - Texas Instruments

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7
TPA3126D2
www.ti.com
SLOS942 – APRIL 2018
Product Folder Links: TPA3126D2
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Copyright © 2018, Texas Instruments Incorporated
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
(2)
For the PCB layout, see the TPA3126D2EVM user guide.
7.4 Thermal Information
THERMAL METRIC(1)
TPA3126D2
UNIT
DAD(2)
32 PINS
RθJA
Junction-to-ambient thermal resistance
N/A
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
1.2
°C/W
ψJT
Junction-to-top characterization parameter
1.2
°C/W
ψJB
Junction-to-board characterization parameter
21
°C/W
7.5 DC Electrical Characteristics
TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω, fs = 400 kHz, hybrid 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
15
mA
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
6.3
V
VO
Output voltage maximum under
PLIMIT control
V(PLIMIT) = 2 V; VI = 1 Vrms
6.75
8.2
8.75
V


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