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TPA3116D2-Q1_15 Datasheet, PDF (6/34 Pages) Texas Instruments – TPA311xD2-Q1 100-W and 50-W Class-D Stereo Automotive Amplifiers
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TPA3116D2-Q1, TPA3118D2-Q1
SLOS862A – JULY 2015 – REVISED AUGUST 2015
www.ti.com
6.4 Thermal Information
THERMAL METRIC(1)
TPA3116D2-Q1 TPA3118D2-Q1
DAD
DAP
UNIT
RθJA
RθJC(top)
RθJB
ψJT
ψJB
RθJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
32 PINS
44.7 (2)
1.2
21.5
1.2
21
N/A
32 PINS
32.4
17.2
17.3
0.4
17.2
1
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
(2) Modeled with a 15-mm × 15-mm × 2-mm copper heat slug heat sink. A better heat sink or airflow would yield a much better RθJA.
Perfect heat sink results could be as low as RθJC(top) = 1.2 ºC/W.
6.5 DC Electrical Characteristics
TA = 25°C, AVCC = PVCC = 12 V to 24 V, RL = 4 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
| VOS |
Class-D output offset voltage (measured
differentially)
VI = 0 V, gain = 36 dB
ICC
Quiescent supply current
ICC(SD)
rDS(on)
Quiescent supply current in shutdown
mode
Drain-source on-state resistance,
measured pin-to-pin
SD = 2 V, no load or filter, V(PVCC) = 12 V
SD = 2 V, no load or filter, V(PVCC) = 24 V
SD = 0.8 V, no load or filter, V(PVCC) = 12 V
SD = 0.8 V, no load or filter, V(PVCC) = 24 V
V(PVCC) = 21 V, IO = 500 mA, TJ = 25°C
R1 = open, R2 = 20 kΩ
G
Gain (BTL)
R1 = 100 kΩ, R2 = 20 kΩ
R1 = 100 kΩ, R2 = 39 kΩ
R1 = 75 kΩ, R2 = 47 kΩ
R1 = 51 kΩ, R2 = 51 kΩ
G
Gain (SLV)
R1 = 47 kΩ, R2 = 75 kΩ
R1 = 39 kΩ, R2 = 100 kΩ
R1 = 16 kΩ, R2 = 100 kΩ
ton
toff
GVDD
VO
Turn-on time
Turn-off time
Gate drive supply
Output voltage maximum under PLIMIT
control
V(SD) = 2 V
V(SD) = 0.8 V
I(GVDD) < 200 µA
V(PLIMIT) = 2 V; VI = 1 Vrms
MIN TYP MAX UNIT
1.5
15 mV
20
35
mA
32
50
<50
µA
50 400
120
mΩ
19
20
21
dB
25
26
27
31
32
33
dB
35
36
37
19
20
21
dB
25
26
27
31
32
33
dB
35
36
37
10
ms
2
µs
6.4 6.9 7.4 V
6.75 7.9 8.75 V
6
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