Datasheet

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DC CHARACTERISTICS
AC CHARACTERISTICS
TPA3120D2
SLOS507E – MARCH 2007 – REVISED SEPTEMBER 2007
T
A
= 25 ° C, V
CC
= 24 V, R
L
= 4 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Class-D output offset voltage
| V
OS
| (measured differentially in BTL V
I
= 0 V, A
V
= 36 dB 7.5 50 mV
mode as shown in Fig 30)
V
(BYPASS)
Bypass output voltage No load AVCC/8 V
I
CC(q)
Quiescent supply current SD = 2 V, MUTE = 0 V, No load 23 37 mA
I
CC(q)
Quiescent supply current in
MUTE = 0.8 V, No load 23 mA
mute mode
I
CC(q)
Quiescent supply current in
SD = 0.8 V , No load 0.39 1 mA
shutdown mode
r
DS(on)
Drain-source on-state
200 m Ω
resistance
GAIN0 = 0.8 V 18 20 22
GAIN1 = 0.8 V
GAIN0 = 2 V 24 26 28
G Gain dB
GAIN0 = 0.8 V 30 32 34
GAIN = 2 V
GAIN0 = 2 V 34 36 38
Mute Attenuation V
I
= 1Vrms – 82 dB
T
A
= 25 ° C, V
CC
= 24 V, R
L
= 4 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
CC
= 24, V
ripple
= 200 mV
PP
100 Hz – 48
ksvr Supply ripple rejection dB
Gain = 20 dB
1 kHz – 52
V
CC
= 24 V, R
L
= 4 Ω , f = 1 kHz 16
Output power at 1% THD+N
V
CC
= 24 V, R
L
= 8 Ω , f = 1 kHz 8
P
O
W
V
CC
= 24 V, R
L
= 4 Ω , f = 1 kHz 20
Output power at 10% THD+N
V
CC
= 24 V, R
L
= 8 Ω , f = 1 kHz 10
R
L
= 4 Ω , f = 1 kHz, P
O
= 10 W 0.08%
Total harmonic distortion +
THD+N
noise
R
L
= 8 Ω , f = 1 kHz, P
O
= 5 W 0.08%
85 μ V
20 Hz to 22 kHz, A-weighted filter,
V
n
Output integrated noise floor
Gain = 20 dB
– 80 dBV
Crosstalk P
O
= 1 W, f = 1 kHz; Gain = 20 dB – 60 dB
Max output at THD+N < 1%, f = 1 kHz,
SNR Signal-to-noise ratio 99 dB
Gain = 20 dB
Thermal trip point 150 ° C
Thermal hysteresis 30 ° C
f
OSC
Oscillator frequency 230 250 270 kHz
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Product Folder Link(s): TPA3120D2