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參數資料
| 型號： | TPA2017D2RTJT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, QFN-20 |
| 文件頁數： | 16/20頁 |
| 文件大小： | 642K |
| 代理商： | TPA2017D2RTJT |
OPERATING CHARACTERISTICS
TPA2017D2
IN+
IN–
OUT+
OUT–
V
DD
V
DD
GND
C
I
C
I
Measurement
Output
+
–
Load
30kHz
Low-Pass
Filter
Measurement
Input
+
–
1 F
m
www.ti.com ..................................................................................................................................................................................................... SLOS584 – APRIL 2009
at TA = 25°C, VDD = 3.6V, EN = 1.3 V, RL = 8 +33 H, and AV = 6 dB (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
kSVR
power-supply ripple rejection ratio
VDD = 3.6 Vdc with ac of 200 mVPP at 217 Hz
–68
dB
faud_in = 1 kHz; PO = 550 mW; VDD = 3.6 V
0.1%
faud_in = 1 kHz; PO = 1 W; VDD = 5 V
0.1%
THD+N
Total harmonic distortion + noise
faud_in = 1 kHz; PO = 630 mW; VDD = 3.6 V
1%
faud_in = 1 kHz; PO = 1.4 W; VDD = 5 V
1%
Nr
Output integrated noise
Av = 6 dB
44
V
Av = 6 dB floor, A-weighted
33
V
f
Frequency response
Av = 6 dB
20
20000
Hz
THD+N = 10%, VDD = 5 V, RL = 4
2.8
W
THD+N = 10%, VDD = 3.6 V, RL = 4
1.5
W
PO(max)
Maximum output power
THD+N = 10%, VDD = 5 V, RL = 8
1.4
W
THD+N = 10% , VDD = 3.6 V, RL = 8
630
mW
THD+N = 1%, VDD = 3.6 V, RL = 8 , PO= 0.63 W
90%
η
Efficiency
THD+N = 1%, VDD = 5 V, RL = 8 , PO = 1.4 W
90%
TEST SET-UP FOR GRAPHS
(1)
All measurements were taken with a 1-
F C
I (unless otherwise noted.)
(2)
A 33-
H inductor was placed in series with the load resistor to emulate a small speaker for efficiency measurements.
(3)
The 30-kHz low-pass filter is required, even if the analyzer has an internal low-pass filter. An RC low-pass filter (1 k
4.7 nF) is used on each output for the data sheet graphs.
Copyright 2009, Texas Instruments Incorporated
5
Product Folder Link(s): TPA2017D2
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相關代理商/技術參數 |
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|---|---|
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