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参数资料
| 型号： | TPA3001D1PWPRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封装： | GREEN, PLASTIC, HTSSOP-24 |
| 文件页数： | 24/28页 |
| 文件大小： | 504K |
| 代理商： | TPA3001D1PWPRG4 |
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SLOS398E – DECEMBER 2002 – REVISED AUGUST 2010
OPERATING CHARACTERISTICS (continued)
PVCC = VCC = 12 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
kSVR
Supply ripple rejection ratio
f = 1 kHz, C(BYPASS) = 1 mF
–70
dB
SNR
Signal-to-noise ratio
PO = 10 W, RL = 4
95
dB
86
mV(rms)
C(BYPASS) = 1 mF, f = 20 Hz to 22 kHz, no weighting
filter used, gain = 12 dB
–81
dBV
Vn
Noise output voltage
66
mV(rms)
C(BYPASS) = 1 mF, f = 20 Hz to 22 kHz, A-weighted
filter, gain = 12 dB
–84
dBV
ZI
Input impedance
See Table 1.
> 23
k
OPERATING CHARACTERISTICS
PVCC = VCC = 18 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f = 1 kHz, RL = 4
12.8
Output power at 10% THD+N
f = 1 kHz, RL = 8
20
PO
W
f = 1 kHz, RL = 4
10.3
Output power at 1% THD+N
f = 1 kHz, RL = 8
16
PO = 15 W, RL = 8, f = 20 Hz to 20 kHz
1%
THD+N
Total harmonic distortion plus noise
PO = 2 W, RL = 8, f = 20 Hz to 20 kHz
0.3%
BOM
Maximum output-power bandwidth
THD = 1%
20
kHz
kSVR
Supply ripple rejection ratio
f = 1 kHz, CBYPASS = 1 mF
–70
dB
SNR
Signal-to-noise ratio
PO = 15 W, RL = 8
102
dB
86
mV(rms)
C(BYPASS) = 1 mF, f = 20 Hz to 20 kHz, no weighting
filter used, gain = 12 dB
–81
dBV
Vn
Noise output voltage
66
mV(rms)
C(BYPASS) = 1 mF, f = 20 Hz to 22 kHz, A-weighted
filter, gain = 12 dB
84
dBV
ZI
Input impedance
See Table 1.
>23
k
SPACER
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
Efficiency
vs Output power
1
PO
Maximum output power
vs Load impedance
2, 3, 4
ICC
Supply current
5
vs Supply voltage
ICC(SD)
Shutdown current
6
7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
vs Output power
17, 18
THD+N
Total harmonic distortion + noise
vs Frequency
19, 20, 21, 22, 23, 24, 25
kSVR
Supply voltage rejection ratio
26
Gain and phase
vs Frequency
27
CMRR
Common-mode rejection ratio
28
VIO
Input offset voltage
vs Common-mode input voltage
29
Copyright 2002–2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPA3001D1
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