TPA032D01_07 Datasheet, PDF (5/25 Pages) Texas Instruments – 10-W MONO CLASS-D AUDIO POWER AMPLIFIER

TPA032D01
10ĆW MONO CLASSĆD AUDIO POWER AMPLIFIER
SLOS282B − DECEMBER 1999 − REVISED JUNE 2000
electrical characteristics Class-D amplifier, V_DD = PV_DD = 12 V, R_L = 4 Ω to 8 Ω, T_A = 25°C,
See Figure 1 (unless otherwise noted)
PARAMETER
Power supply rejection ratio
IDD
IDD(Mute)
IDD(S/D)
|IIH|
Supply current
Supply current, mute mode
Supply current, shutdown mode
High-level input current (MUTE, MODE,
SHUTDOWN)
|IIL|
Low-level input current (MUTE, MODE,
SHUTDOWN)
rDS(on)
Static drain-to-source on-state resistance
(high-side + low-side FETs)
rDS(on)
Matching, high-side to high-side, low-side to
low-side, same channel
TEST CONDITIONS
VDD = PVDD = xPVDD = 11 V to 13 V
No output filter connected
MUTE = 0 V
SHUTDOWN = 0 V
VIH = 5.25 V
MIN TYP MAX UNIT
−40
dB
25
35 mA
10
18 mA
20
30 µA
10 µA
VIL = − 0.3 V
10 µA
IDD = 0.5 A
720 800 mΩ
95% 98%
operating characteristics, Class-D amplifier, V_DD = PV_DD = 12 V, R_L = 4 Ω, T_A = 25°C, See Figure 1
(unless otherwise noted)
PARAMETER
PO Output power
Efficiency
AV Gain
Noise floor
Dynamic range
Crosstalk
Frequency response bandwidth, post output filter, − 3 dB
BOM Maximum output power bandwidth
ZI
Input impedance
NOTE 2: Output power is thermally limited, TA = 23°C
TEST CONDITIONS
f = 1 kHz, THD = 0.5%
Device soldered on PCB,
See Note 2
PO = 10 W, f = 1 kHz
f = 1 kHz
MIN TYP MAX UNIT
10
W
77%
25
dB
−60
dB
80
dB
−50
dB
20
20 000 Hz
20 kHz
10
kΩ
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