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參數(shù)資料
| 型號： | TPA032D04DCA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48 |
| 封裝： | GREEN, PLASTIC, HTSSOP-48 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大?。?/td> | 439K |
| 代理商： | TPA032D04DCA |
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TPA032D04
10W STEREO CLASSD 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 ,
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
20 000
Hz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
10
k
NOTE 2: Output power is thermally limited, TA = 85°C
electrical characteristics, headphone amplifier, HPVCC = 5 V, RL = 32 , 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
A
operating characteristics, headphone amplifier, HPVCC = 5V, RL = 32 , 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
kHz
BOM
Maximum output power bandwidth
20
kHz
ZI
Input impedance
>1
M
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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