Datasheet

TPA3100D2
www.ti.com SLOS469F –OCTOBER 2005–REVISED AUGUST 2010
RECOMMENDED OPERATING CONDITIONS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN MAX UNIT
SHUTDOWN, V
I
= V
CC
, V
CC
= 24 V 125
MUTE, V
I
= V
CC
, V
CC
= 24 V 75
I
IH
High-level input current µA
GAIN0, GAIN1, MSTR/SLV, SYNC, V
I
= VREG,
2
V
CC
= 24 V
SHUTDOWN, V
I
= 0, V
CC
= 24 V 2
I
IL
Low-level input current µA
SYNC, MUTE, GAIN0, GAIN1, MSTR/SLV, V
I
= 0 1
V, V
CC
= 24 V
V
OH
High-level output voltage FAULT, I
OH
= 1 mA VREG - 0.6 V
V
OL
Low-level output voltage FAULT, I
OL
= -1 mA AGND + 0.4 V
f
OSC
Oscillator frequency R
osc
Resistor = 100 kΩ, MSTR/SLV = 2 V 200 300 kHz
T
A
Operating free-air temperature –40 85 °C
DC CHARACTERISTICS
T
A
= 25°C, V
CC
= 24 V, R
L
= 8 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Class-D output offset voltage (measured
| V
OS
| V
I
= 0 V, Gain = 36 dB 5 50 mV
differentially)
Bypass reference for input amplifier VBYP, no load 1.1 1.25 1.45 V
4-V internal supply voltage VREG, no load, V
CC
= 10 V to 26 V 3.75 4 4.25 V
V
CC
= 12 V to 24 V, inputs ac coupled to AGND,
PSRR DC Power supply rejection ratio -70 dB
Gain = 36 dB
I
CC
Quiescent supply current SHUTDOWN = 2 V, MUTE = 0 V, no load, filter, 22 26.5 mA
or snubber
I
CC(SD)
Quiescent supply current in shutdown mode SHUTDOWN = 0.8 V, no load, filter, or snubber 180 250 µA
I
CC(MUTE)
Quiescent supply current in mute mode MUTE = 2 V, no load, filter, or snubber 8 10 mA
High Side 200
V
CC
= 12 V, I
O
= 500 mA,
r
DS(on)
Drain-source on-state resistance Low side 200 mΩ
T
J
= 25°C
Total 400 500
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
Gain matching Between channels 2%
t
ON
Turn-on time C
(VBYP)
= 1 µF, SHUTDOWN = 2 V 25 ms
t
OFF
Turn-off time C
(VBYP)
= 1 µF, SHUTDOWN = 0.8 V 0.1 ms
DC CHARACTERISTICS
T
A
= 25°C, V
CC
= 12 V, R
L
= 8 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Class-D output offset voltage (measured
| V
OS
| V
I
= 0 V, Gain = 36 dB 5 50 mV
differentially)
Bypass reference for input amplifier VBYP, no load 1.1 1.25 1.45 V
4-V internal supply voltage VREG, no load 3.75 4 4.25 V
V
CC
= 12 V to 24 V, Inputs ac coupled to AGND,
PSRR DC Power supply rejection ratio -70 dB
Gain = 36 dB
I
CC
Quiescent supply current SHUTDOWN = 2 V, MUTE = 0 V, no load, filter, 18 22.5 mA
or snubber
I
CC(SD)
Quiescent supply current in shutdown mode SHUTDOWN = 0.8 V, no load, filter, or snubber 80 200 µA
I
CC(MUTE)
Quiescent supply current in mute mode MUTE = 2 V, no load, filter, or snubber 7 9 mA
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