Datasheet

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RECOMMENDED OPERATING CONDITIONS
AUDIO SPECIFICATIONS (BTL)
TAS5352
SLES204A SEPTEMBER 2007 REVISED OCTOBER 2007
MIN TYP MAX UNIT
PVDD_X Half-bridge supply voltage 0 34.5 37 V
Supply voltage for logic regulators and
GVDD_X 10.8 12 13.2 V
gate-drive circuitry
VDD Digital regulator supply voltage 10.8 12 13.2 V
R
L
(BTL) 3 4
Resistive load impedance (no Cycle-by_Cycle
R
L
(SE) current control), recommended demodulation 2.25 3
filter
R
L
(PBTL) 1.5 2
L
Output
(BTL) 5 10
Minimum output inductance under
L
Output
(SE) Output-filter inductance 5 10 μ H
short-circuit condition
L
Output
(PBTL) 5 10
f
S
PWM frame rate 192 384 432 kHz
t
LOW
Minimum low-state pulse duration per PWM
30 nS
Frame, noise shaper enabled
C
PVDD
PVDD close decoupling capacitors 0.1 μ F
C
BST
Bootstrap capacitor, selected value supports
33 nF
PWM frame rates from 192 kHz to 432 kHz
R
OC
Over-current programming resistor Resistor tolerance = 5% 22 22 47 k
R
EXT-PULLUP
External pull-up resistor to +3.3V to +5.0V for
3.3 4.7 k
SD or OTW
T
J
Junction temperature 0 125 ° C
Audio performance is recorded as a chipset consisting of a TAS5518 pwm processor (modulation index limited to 97.7%) and
a TAS5352 power stage. PCB and system configuraton are in accordance with recommended guidelines. Audio frequency =
1kHz, PVDD_x = 34.5 V, GVDD_x = 12 V, R
L
= 4 , f
S
= 384 kHz, R
OC
= 22 k , T
C
= 75 ° C, Output Filter: L
DEM
= 10 μ H, C
DEM
= 470 nF, unless otherwise noted.
TAS5352
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
R
L
= 4 , 10% THD+N, clipped input
125
signal
R
L
= 6 , 10% THD+N, clipped input
P
OMAX
Maximum Power Output 100
signal
R
L
= 8 , 10% THD+N, clipped input
76 W
signal
R
L
= 4 , 0 dBFS, unclipped input
96
signal
R
L
= 6 , 0 dBFS, unclipped input
P
O
Unclipped Power Output 72
signal
R
L
= 8 , 0 dBFS, unclipped input
57
signal
0 dBFS; AES17 filter 0.2%
THD+N Total harmonic distortion + noise
1 W; AES17 filter 0.09%
V
n
Output integrated noise A-weighted, AES17 filter, Auto mute μ V
50
disabled
SNR Signal-to-noise ratio
(1)
A-weighted, AES17 filter, Auto mute
110 dB
disabled
A-weighted, input level = 60 dBFS,
DNR Dynamic range 110 dB
AES17 filter
DC Offset Output offset voltage +/- 15 mV
P
idle
Power dissipation due to idle losses (IPVDD_X) P
O
= 0 W, all halfbridges switching
(2)
2 W
(1) SNR is calculated relative to 0-dBFS input level.
(2) Actual system idle losses are affected by core losses of output inductors.
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