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TAS5704 20-W Stereo Digital Audio Power Amplifier With Feedback TI
Texas Instruments TI
TAS5704 Datasheet PDF : 34 Pages
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TAS5704
SLOS563 – MARCH 2008
www.ti.com
AC Characteristics,
otherwise noted)(1)
TA
=
25°C,
PVCC_X,
AVCC
=
18
V,
AVDD,
DVDD
=
3.3
V,
RL
=
8
(unless
KSVR
PO
THD+N
Vn
Crosstalk
SNR
PARAMETER
TEST CONDITIONS
MIN
Supply ripple rejection
100-mVPP ripple at 20 Hz–20 kHz, BTL, 50%
duty cycle PWM
BTL (RL = 8 , THD+N = 10%, f = 1 kHz,
PVCC = 18 V)
Continuous output
power
BTL (RL = 8 , THD+N = 7%, f = 1 kHz,
PVCC = 18 V)
SE (RL = 4 , THD+N = 10%, f = 1 kHz,
PVCC = 24 V)
SE (RL = 4 , THD+N = 7%, f = 1 kHz, PVCC
= 24 V)
Total harmonic distortion VCC = 24 V, RL = 4 , f = 1 kHz, PO = 10 W
+ noise (SE)
(half-power)
Total harmonic distortion VCC = 18 V, RL = 8 , f = 1 kHz, PO = 10 W
+ noise (BTL)
(half-power)
20 Hz to 22 kHz (BD mode)
Output integrated noise
A-weighted filter; MUTE = LOW
Signal-to-noise ratio
PO = 1 W, f = 1 kHz
Maximum output at THD+N < 1%, f = 1 kHz,
A-weighted
Thermal trip point
(output shutdown,
unlatched fault)
Thermal hysteresis
TYP
–60
MAX
20.6
19.3
18.1
17.3
0.08%
0.05%
89
–81
–69
100
150
15
UNIT
dB
W
W
W
W
µV
dBV
dB
dB
°C
°C
(1) All measurement in AD mode (unless otherwise noted).
AC Characteristics,
otherwise noted)(1)
TA
=
25°C,
PVCC_X,
AVCC
=
12
V,
AVDD,
DVDD
=
3.3
V,
RL
=
8
(unless
PARAMETER
TEST CONDITIONS
MIN
KSVR
Supply ripple rejection
100-mVpp ripple at 20 Hz–20 kHz, BTL,
50% duty cycle PWM
PO
THD+N
Vn
Continuous output power
Total harmonic distortion
+ noise (BTL)
Output integrated noise
BTL (RL = 8 , THD+N = 10%, f = 1 kHz)
BTL (RL = 8 , THD+N = 7%, f = 1 kHz)
SE (RL = 4 , THD+N = 10%, f = 1 kHz)
SE (RL = 4 , THD+N = 7%, f = 1 kHz)
VCC = 12 V, RL = 8 , f = 1 kHz,
PO = 5 W (half-power)
20 Hz to 22 kHz (BD mode)
A-weighted filter
Crosstalk
SNR
Signal-to-noise ratio
PO = 1 W, f = 1 kHz
Maximum output at THD+N < 1%,
f = 1 kHz, A-weighted
Thermal trip point (output
shutdown, unlatched fault)
Thermal hysteresis
TYP
–60
9.2
8.7
4.5
4.2
0.07%
89
–81
–75
96
MAX
150
15
UNIT
dB
W
W
W
W
µV
dBV
dB
dB
°C
°C
(1) All measurement in AD mode (unless otherwise noted).
10
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