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TPA032D04 Datasheet(PDF) 6 Page - Texas Instruments

Part No. TPA032D04
Description  10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPA032D04 Datasheet(HTML) 6 Page - Texas Instruments

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TPA032D04
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS203A – DECEMBER 1999 – REVISED MARCH 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 12 V, RL = 4 Ω to 8 Ω,
TA = 25°C, See Figure 1 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power supply rejection ratio
VDD = PVDD = xPVDD = 11 V to 13 V
–40
dB
IDD
Supply current
No output filter connected
25
35
mA
IDD(Mute) Supply current, mute mode
MUTE = 0 V
10
18
mA
IDD(S/D)
Supply current, shutdown mode
SHUTDOWN = 0 V
20
30
µA
|IIH|
High-level input current (MUTE, MODE,
SHUTDOWN)
VIH = 5.25 V
10
µA
|IIL|
Low-level input current (MUTE, MODE,
SHUTDOWN)
VIL = – 0.3 V
10
µA
rDS(on)
Static drain-to-source on-state resistance
(high-side + low-side FETs)
IDD = 0.5 A
720
800
m
rDS(on)
Matching, high-side to high-side, low-side to
low-side, same channel
95%
98%
operating characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 12 V, RL = 4 Ω,
TA = 25°C, See Figure 1 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
f = 1 kHz,
THD = 0.5%, per channel,
Device soldered on PCB,
See Note 2
10
W
Efficiency
PO = 10 W,
f = 1 kHz
77%
AV
Gain
25
dB
Left/right channel gain matching
92%
95%
Noise floor
–60
dB
Dynamic range
80
dB
Crosstalk
f = 1 kHz
–50
dB
Frequency response bandwidth, post output filter, – 3 dB
20
20 000
Hz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
10
k
NOTE 2: Output power is thermally limited, TA = 23°C


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