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SLOS550A – DECEMBER 2007 – REVISED DECEMBER 2007
AC Characteristics, T
A
= 25°C, PVCC_X, AVCC = 18 V, AVDD, DVDD = 3.3 V, R
L
= 8
Ω
(unless
otherwise noted)
(1)
PARAMETER
KSVR
P
O
Supply ripple rejection
Continuous output
power
TEST CONDITIONS
100-mV
PP
ripple at 20 Hz–20 kHz, BTL, 50%
duty cycle PWM
BTL (R
L
= 8
Ω,
THD+N = 10%, f = 1 kHz,
PVCC = 18 V)
BTL (R
L
= 8
Ω,
THD+N = 7%, f = 1 kHz,
PVCC = 18 V)
SE (R
L
= 4
Ω,
THD+N = 10%, f = 1 kHz,
PVCC = 24 V)
SE (R
L
= 4
Ω,
THD+N = 7%, f = 1 kHz, PVCC
= 24 V)
THD+N
Total harmonic distortion V
CC
= 24 V, R
L
= 4
Ω,
f = 1 kHz, P
O
= 10 W
+ noise (SE)
(half-power)
Total harmonic distortion V
CC
= 18 V, R
L
= 8
Ω,
f = 1 kHz, P
O
= 10 W
+ noise (BTL)
(half-power)
V
n
Crosstalk
SNR
Signal-to-noise ratio
Thermal trip point
(output shutdown,
unlatched fault)
Thermal hysteresis
(1)
All measurement in AD mode.
Output integrated noise
20 Hz to 22 kHz (BD mode)
A-weighted filter; MUTE = LOW
P
O
= 1 W, f = 1 kHz
Maximum output at THD+N < 1%, f = 1 kHz,
A-weighted
MIN
TYP
–60
20.6
19.3
18.1
17.3
0.08%
0.05%
115
–82
–69
99
150
µV
dBV
dB
dB
°C
MAX
UNIT
dB
W
W
W
W
15
°C
AC Characteristics, T
A
= 25°C, PVCC_X, AVCC = 12 V, AVDD, DVDD = 3.3 V, R
L
= 8
Ω
(unless
otherwise noted)
(1)
PARAMETER
KSVR
P
O
Supply ripple rejection
Continuous output power
TEST CONDITIONS
100-mVpp ripple at 20 Hz–20 kHz, BTL,
50% duty cycle PWM
BTL (R
L
= 8
Ω,
THD+N = 10%, f = 1 kHz)
BTL (R
L
= 8
Ω,
THD+N = 7%, f = 1 kHz)
SE (R
L
= 4
Ω,
THD+N = 10%, f = 1 kHz)
SE (R
L
= 4
Ω,
THD+N = 7%, f = 1 kHz)
THD+N
V
n
Crosstalk
SNR
Signal-to-noise ratio
Thermal trip point (output
shutdown, unlatched fault)
Thermal hysteresis
(1)
All measurement in AD mode.
Total harmonic distortion
+ noise (BTL)
Output integrated noise
V
CC
= 12 V, R
L
= 8
Ω,
f = 1 kHz,
P
O
= 5 W (half-power)
20 Hz to 22 kHz (BD mode)
A-weighted filter
P
O
= 1 W, f = 1 kHz
Maximum output at THD+N < 1%,
f = 1 kHz, A-weighted
MIN
TYP
–60
9.2
8.7
4.5
4.2
0.07%
115
–82
–75
96
150
15
µV
dBV
dB
dB
°C
°C
MAX
UNIT
dB
W
W
W
W
Copyright © 2007, Texas Instruments Incorporated
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