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參數資料
| 型號： | TPA032D04DCAR |
| 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： | 22/26頁 |
| 文件大小： | 439K |
| 代理商： | TPA032D04DCAR |
TPA032D04
10W STEREO CLASSD AUDIO POWER AMPLIFIER
SLOS203B DECEMBER 1999 REVISED JUNE 2000
6
TI.COM
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 12 V, RL = 4 to 8 ,
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
A
|IIH|
High-level input current (MUTE, MODE,
SHUTDOWN)
VIH = 5.25 V
10
A
|IIL|
Low-level input current (MUTE, MODE,
SHUTDOWN)
VIL = 0.3 V
10
A
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 ,
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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