Texas Instruments TAS5614LA and TAS5612LA Evaluation Module TAS5614LADDVEVM TAS5614LADDVEVM Datenbogen
Produktcode
TAS5614LADDVEVM
SLAS846 – MAY 2012
AUDIO SPECIFICATION STEREO (BTL)
Audio performance is recorded as a chipset consisting of a
PWM Processor (modulation index limited to 97.7%) and
a TAS5614LA power stage with PCB and system configurations in accordance with recommended guidelines. Audio
frequency = 1kHz, PVDD_X = 36V, GVDD_X = 12 V, R
frequency = 1kHz, PVDD_X = 36V, GVDD_X = 12 V, R
L
= 4
Ω
, f
S
= 384 kHz, R
OC
= 24 k
Ω
, T
C
= 75°C, Output Filter: L
DEM
=
10
μ
H, C
DEM
= 1 µF, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
R
L
= 4
Ω
, 10% THD+N
150
P
O
Power output per channel
W
R
L
= 4
Ω
, 1% THD+N
125
THD+N
Total harmonic distortion + noise
1 W, 1 kHz signal
0.03
%
V
n
Output integrated noise
A-weighted, AES17 measuring filter
180
μ
V
V
OS
Output offset voltage
No signal
10
20
mV
SNR
Signal-to-noise ratio
(1)
A-weighted, AES17 measuring filter
105
dB
DNR
Dynamic range
A-weighted, –60 dBFS (rel 1% THD+N)
105
dB
Power dissipation due to Idle losses
P
idle
P
O
= 0, channels switching
(2)
1.6
W
(IPVDD_X)
(1)
SNR is calculated relative to 1% THD-N output level.
(2)
Actual system idle losses also are affected by core losses of output inductors.
AUDIO SPECIFICATION 4 CHANNELS (SE)
Audio performance is recorded as a chipset consisting of a
PWM Processor (modulation index limited to 97.7%) and
a TAS5614LA power stage with PCB and system configurations in accordance with recommended guidelines. Audio
frequency = 1kHz, PVDD_X = 36V, GVDD_X = 12V, R
frequency = 1kHz, PVDD_X = 36V, GVDD_X = 12V, R
L
= 4
Ω
, f
S
= 384 kHz, R
OC
= 24k
Ω
, T
C
= 75°C, Output Filter: L
DEM
=
10
μ
H, C
DEM
= 1µF, C
DCB
= 470µF, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
R
L
= 3
Ω
, 10% THD+N
50
P
O
Power output per channel
W
R
L
= 3
Ω
, 1% THD+N
42
THD+N
Total harmonic distortion + noise
1 W, 1 kHz signal
0.025
%
V
n
Output integrated noise
A-weighted, AES17 measuring filter
180
μ
V
SNR
Signal-to-noise ratio
(1)
A-weighted, AES17 measuring filter
102
dB
DNR
Dynamic range
A-weighted, –60 dBFS (rel 1% THD+N)
102
dB
Power dissipation due to Idle losses
P
idle
P
O
= 0, channels switching
(2)
1.6
W
(IPVDD_X)
(1)
SNR is calculated relative to 1% THD-N output level.
(2)
Actual system idle losses also are affected by core losses of output inductors.
8
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