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SLOS407D − FEBRUARY 2003 − REVISED AUGUST 2004
AC CHARACTERISTICS FOR CLASS-D OUTPUTS
T
A
= 25°C, V
= 12 V, R = 8 Ω (unless otherwise noted)
CC
L
PARAMETER
TEST CONDITIONS
MIN
TYP
−67
MAX UNITS
V
CC
= 11.5 V to 12.5 V from 10 Hz
to 1 kHz, Gain = 36 dB
k
Supply ripple rejection ratio
dB
SVR
R
R
= 4 Ω
7.5
12
W
W
Maximum continuous output power
(thermally limited)
L
P
O(max)
n
= 8 Ω, V
= 15 V
L
CC
20 Hz to 22 kHz, No weighting filter,
Gain = 0.5 dB
V
Output integrated noise floor
−82
−77
−63
dBV
dB
Crosstalk, Class-D−Left → Class-D−Right
Crosstalk, Class-D → VAROUT
Gain = 13.2 dB, P = 1 W, R = 8 Ω
O L
Maximum output at THD < 0.5%,
Gain = 36 dB
dB
Maximum output at THD+N < 0.5%,
f= 1 kHz, Gain = 0.5 dB
SNR
Signal-to-noise ratio
102
dB
Thermal trip point
Thermal hystersis
150
20
°C
°C
CHARACTERISTICS FOR VAROUT OUTPUTS
PARAMETER
TEST CONDITIONS
Measured between V2P5 and VAROUT,
Gain = 20 dB, R = 10 kΩ
MIN
TYP
MAX UNITS
|V
|
Output offset voltage
10
0.025%
0.002%
65
mV
OS
L
A
= 7.3 dB, f = 1 kHz,
V
P
O
= 6 mW, R = 32 Ω
L
THD+N
PSRR
Total harmonic distortion + noise
A
R
= 7.3 dB, f = 1 kHz,
V
L
= 2 kΩ, V = 1 V
rms
O
DC power supply rejection ratio
Supply ripple rejection ratio
Gain = 20 dB
−74
−95
dB
dB
k
Gain = 20 dB, f = 1 kHz
SVR
Maximum output at THD < 0.5%,
Gain = 20 dB
Crosstalk, VAROUTL → VAROUTR
Crosstalk, VAROUT → Class-D
−60
−74
dB
dB
Maximum output at THD < 0.5%,
Gain = 20 dB
20 Hz to 22 kHz, Gain = 20 dB
20 Hz to 22 kHz, Gain = −0.3 dB
75
15
V
n
Output integrated noise floor
µV
7
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