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TPA3112D1-Q1 Arkusz danych(PDF) 5 Page - Texas Instruments

Numer części TPA3112D1-Q1
Szczegółowy opis  TPA3112D1-Q1 25-W Filter-Free Mono Class-D Audio Power Amplifier With SpeakerGuard?
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

TPA3112D1-Q1 Arkusz danych(HTML) 5 Page - Texas Instruments

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TPA3112D1-Q1
www.ti.com
SLOS793B – SEPTEMBER 2012 – REVISED SEPTEMBER 2015
6.4 Thermal Information
TPA3112D1-Q1
THERMAL METRIC(1)(2)
PWP (HTSSOP)
UNIT
28 PINS
RθJA
Junction-to-ambient thermal resistance
30.3
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
33.5
°C/W
RθJB
Junction-to-board thermal resistance
17.5
°C/W
ψJT
Junction-to-top characterization parameter
0.9
°C/W
ψJB
Junction-to-board characterization parameter
7.2
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
0.9
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
(2)
For thermal estimates of this device based on PCB copper area, see the TI PCB Thermal Calculator
6.5 DC Characteristics
TA = –40°C to 125°C, VCC = 24 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 = 21 V
40
mA
ICC(SD)
Quiescent supply current in shutdown mode
SD = 0.8 V, no load, PVCC = 21 V
400
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 = 2 mA
6.5
6.9
7.3
V
6.6 DC Characteristics
TA = –40°C to 125°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 = 12 V
20
mA
ICC(SD)
Quiescent supply current in shutdown mode
SD = 0.8 V, no load, PVCC = 12 V
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 = 2 mA
6.5
6.9
7.3
V
Output Voltage maximum under PLIMIT
PLIMIT
VPLIMIT = 2.0 V; VI = 6-V differential
6.75
7.90
8.75
V
control
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