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参数资料
| 型号： | TPA005D12DCA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48 |
| 封装： | PLASTIC, HTSSOP-48 |
| 文件页数： | 6/10页 |
| 文件大小： | 258K |
| 代理商： | TPA005D12DCA |
TPA005D12
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS241B – AUGUST 1999 – REVISED MARCH 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 5 V, RL = 4 ,
TC = 25°C, See Figure 1 (resistive load) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PSRR
Power supply rejection ratio
VDD = PVDD = LPVDD = RPVDD = 4.5 V to
5.5 V
40
dB
IDD
Supply current
No load,
No filter
25
35
mA
IDD(MUTE) Supply current, mute mode
MUTE = 0 V
3.9
10
mA
IDD(SD)
Supply current, shutdown mode
SHUTDOWN = 0 V
0.2
10
A
IIH
High-level input current
VIH = 5.3 V
1
A
IIL
Low-level input current
VIL = – 0.3 V
–1
A
rDS(on)
Total static drain-to-source on-state
resistance (low-side plus high-side FETs)
ID = 2 A
700
900
m
rDS(on)
Matching, high-side to high-side, low-side to
low-side, same channel
ID = 0.5 A
95%
99%
operating characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 5 V, RL = 4 ,
TC = 25°C, See Figure 1 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
RMS output power, THD = 0.5%, per channel
2
W
THD+N
Total harmonic distortion plus noise
PO = 1 W ,
f = 1 kHz
0.2%
Efficiency
PO = 1 W,
RL = 8
80%
AV
Gain
25
dB
Left/right channel gain matching
95%
99%
Noise floor
–55
dBV
Dynamic range
70
dB
Crosstalk
f = 1 kHz
–55
dB
Frequency response bandwidth, post output filter, – 3 dB
20
20 000
Hz
BOM
Maximum output power bandwidth
20
kHz
thermal resistance
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
R
θJP
Thermal resistance, junction-to-pad
10
°C/W
Thermal shutdown temperature
165
°C
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