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TPA032D04 Datasheet(PDF) 7 Page - Texas Instruments

No. de Pieza. TPA032D04
Descripción  10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Descarga  28 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA032D04 Datasheet(HTML) 7 Page - Texas Instruments

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TPA032D04
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS203B − DECEMBER 1999 − REVISED JUNE 2000
7
TI.COM
operating characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 12 V, RL = 8 Ω,
TA = 25°C, See Figure 2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power,
THD = 0.5%, per channel,
Device soldered on PCB,
See Note 2
7.5
W
Efficiency
PO = 7.5 W,
f = 1 kHz
85%
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
20000
Hz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
10
kΩ
NOTE 2: Output power is thermally limited, TA = 85°C
electrical characteristics, headphone amplifier, HPVCC = 5 V, RL = 32 Ω, TA = 25°C, See Figure 3
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power supply rejection ratio
−60
dB
Uncompensated gain range
−1
−10
V/V
IDD
Supply current
9
12
mA
IDD(MUTE)
Supply current, mute mode
9
12
mA
IDD(S/D)
Supply current, shutdown mode
20
30
µA
operating characteristics, headphone amplifier, HPVCC = 5V, RL = 32 Ω, gain set at −10V/V,
TA = 25°C, See Figure 3 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.5%,
f = 1 kHz
50
mW
Crosstalk
f = 1 kHz
−60
dB
Frequency response bandwidth, post output filter, −3 dB
20
20
kHz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
>1
MΩ
operating characteristics, HPREG 5-V regulator, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO
Output voltage
VDD = PVDD = LPVDD = RPVDD = 8 V to 14 V,
IO = 0 to 90 mA
4.5
5.5
V
IOS
Short-circuit output current
VDD = PVDD = LPVDD = RPVDD = 8 V to 14 V
90
mA
Pulse width must be limited to prevent exceeding the maximum operating virtual junction temperature of 150°C.
thermal shutdown
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Thermal shutdown temperature
165
°C
Thermal shutdown hysteresis
30
°C


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